https://k6eeg.org/K6EEG Earth and Space Science Beacon, 927.450 MHzhttps://k6eeg.org/archive/20261005-0800Z.htmlhttps://k6eeg.org/archive/20261005-0800Z.htmlMon, 05 Oct 2026 08:00:00 +0000Current weather conditions at San Francisco International Airport: Clear. Temperature 64 degrees Fahrenheit. Dew point 57 degrees Fahrenheit. Relative humidity 77 percent. Wind calm. Barometric pressure 29.94 inches of mercury, normal. Visibility 10 miles. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind around 5 miles per hour. Monday: Sunny. High near 80, with temperatures falling to around 74 in the afternoon. West wind 1 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 1:42 AM, minus 0.1 feet. High tide at 9 oh 4 AM, 5.0 feet. Low tide at 2 oh 3 PM, 2.8 feet. High tide at 7:49 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 8 knots from the west northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM, then slack water at 9:58 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 2 micrograms per cubic meter, rated good. Ozone is 18 parts per billion. Nitrogen dioxide is 7 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.5, near Pinnacles. No earthquakes of magnitude 6 or greaterhttps://k6eeg.org/archive/20261005-0730Z.htmlhttps://k6eeg.org/archive/20261005-0730Z.htmlMon, 05 Oct 2026 07:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Clear. Temperature 18 degrees Celsius. Dew point 14 degrees Celsius. Relative humidity 77 percent. Wind calm. Barometric pressure 1014 hectopascals, normal. Visibility 16 kilometers. National Weather Service forecast. Values converted to SI units. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind around 2.2 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 23 degrees Celsius in the afternoon. West wind 0.4 to 4.5 meters per second. Monday Night: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.9 to 4.0 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 1:42 AM, minus 0.03 meters. High tide at 9 oh 4 AM, 1.51 meters. Low tide at 2 oh 3 PM, 0.84 meters. High tide at 7:49 PM, 1.71 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the southwest. That's long-period ground swell. Wind at the buoy 5 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 20 degrees Celsius. Golden Gate currents: slack water at 4:09 AM, then maximum flood 1.1 meters per second at 6:50 AM, then slack water at 9:58 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 6 micrograms per cubic meter, rated good. Ozone is 17 parts per billion. Nitrogen dioxide is 10 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergency alerts, such as Alert SF in San Francisco. Hams are often among the first to relay that information. Seismic awareness for emergehttps://k6eeg.org/archive/20261005-0700Z.htmlhttps://k6eeg.org/archive/20261005-0700Z.htmlMon, 05 Oct 2026 07:00:00 +0000Current weather conditions at San Francisco International Airport: Clear. Temperature 64 degrees Fahrenheit. Dew point 57 degrees Fahrenheit. Relative humidity 77 percent. Wind calm. Barometric pressure 29.93 inches of mercury, normal. Visibility 10 miles. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind around 5 miles per hour. Monday: Sunny. High near 80, with temperatures falling to around 74 in the afternoon. West wind 1 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 14 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 8 knots from the west northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM, then slack water at 9:58 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 6 micrograms per cubic meter, rated good. Ozone is 17 parts per billion. Nitrogen dioxide is 10 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.5, near Pinnacles. No earthquakes of magnitude 6 or greater worldwide. Seismic data from earthquake.usgs.gov. Set up an out-of-area contact for youhttps://k6eeg.org/archive/20261005-0630Z.htmlhttps://k6eeg.org/archive/20261005-0630Z.htmlMon, 05 Oct 2026 06:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Clear. Temperature 19 degrees Celsius. Dew point 14 degrees Celsius. Relative humidity 73 percent. Wind calm. Barometric pressure 1014 hectopascals, normal. Visibility 16 kilometers. National Weather Service forecast. Values converted to SI units. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind around 2.2 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 23 degrees Celsius in the afternoon. West wind 0.4 to 4.5 meters per second. Monday Night: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.9 to 4.0 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 5 meters per second from the northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 20 degrees Celsius. Golden Gate currents: slack water at 4:09 AM, then maximum flood 1.1 meters per second at 6:50 AM, then slack water at 9:58 AM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 10 micrograms per cubic meter, rated good. Ozone is 19 parts per billion. Nitrogen dioxide is 8 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county'shttps://k6eeg.org/archive/20261005-0600Z.htmlhttps://k6eeg.org/archive/20261005-0600Z.htmlMon, 05 Oct 2026 06:00:00 +0000Current weather conditions at San Francisco International Airport: Clear. Temperature 66 degrees Fahrenheit. Dew point 55 degrees Fahrenheit. Relative humidity 68 percent. Wind calm. Barometric pressure 29.93 inches of mercury, normal. Visibility 10 miles. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind around 5 miles per hour. Monday: Sunny. High near 80, with temperatures falling to around 74 in the afternoon. West wind 1 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the southwest. That's long-period ground swell. Wind at the buoy 10 knots from the northwest. Ocean water temperature 61 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: maximum ebb 3.1 knots at 11:14 PM, then slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 10 micrograms per cubic meter, rated good. Ozone is 19 parts per billion. Nitrogen dioxide is 8 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.5, near Pinnacles. No earthquakes of magnitude 6 or greater worldwide. Seismic data from earthquake.usgs.gov. Repeater sites can go off the air afhttps://k6eeg.org/archive/20261005-0530Z.htmlhttps://k6eeg.org/archive/20261005-0530Z.htmlMon, 05 Oct 2026 05:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Clear. Temperature 20 degrees Celsius. Dew point 14 degrees Celsius. Relative humidity 68 percent. Wind calm. Barometric pressure 1013 hectopascals, normal. Visibility 16 kilometers. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Values converted to SI units. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind around 2.2 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 23 degrees Celsius in the afternoon. West wind 0.4 to 4.5 meters per second. Monday Night: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.9 to 4.0 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 5 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 20 degrees Celsius. Golden Gate currents: maximum ebb 1.6 meters per second at 11:14 PM, then slack water at 4:09 AM, then maximum flood 1.1 meters per second at 6:50 AM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 8 micrograms per cubic meter, rated good. Ozone is 30 parts per billion. Nitrogen dioxide is 8 parts perhttps://k6eeg.org/archive/20261005-0500Z.htmlhttps://k6eeg.org/archive/20261005-0500Z.htmlMon, 05 Oct 2026 05:00:00 +0000Current weather conditions at San Francisco International Airport: Clear. Temperature 68 degrees Fahrenheit. Dew point 57 degrees Fahrenheit. Relative humidity 68 percent. Wind calm. Barometric pressure 29.92 inches of mercury, normal. Visibility 10 miles. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind around 5 miles per hour. Monday: Sunny. High near 80, with temperatures falling to around 74 in the afternoon. West wind 1 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 8 knots from the west northwest. Ocean water temperature 61 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: maximum ebb 3.1 knots at 11:14 PM, then slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 8 micrograms per cubic meter, rated good. Ozone is 30 parts per billion. Nitrogen dioxide is 8 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.5, near Pinnacles. No earthquakes of magnitude 6 or greater worldwide. Seismic data from earthquake.usgs.gov. If you smell gas, leave firhttps://k6eeg.org/archive/20261005-0430Z.htmlhttps://k6eeg.org/archive/20261005-0430Z.htmlMon, 05 Oct 2026 04:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Clear. Temperature 23 degrees Celsius. Dew point 12 degrees Celsius. Relative humidity 50 percent. Wind calm. Barometric pressure 1013 hectopascals, normal. Visibility 16 kilometers. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Values converted to SI units. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West northwest wind 0.0 to 4.5 meters per second. Monday Night: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.9 to 4.0 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 4 meters per second from the northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 20 degrees Celsius. Golden Gate currents: maximum ebb 1.6 meters per second at 11:14 PM, then slack water at 4:09 AM, then maximum flood 1.1 meters per second at 6:50 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 6 micrograms per cubic meter, rated good. Ozone is 46 parts per billion. Nitrogen dioxide is 7 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: https://k6eeg.org/archive/20261005-0400Z.htmlhttps://k6eeg.org/archive/20261005-0400Z.htmlMon, 05 Oct 2026 04:00:00 +0000Current weather conditions at San Francisco International Airport: Clear. Temperature 73 degrees Fahrenheit. Dew point 52 degrees Fahrenheit. Relative humidity 47 percent. Wind calm. Barometric pressure 29.90 inches of mercury, normal. Visibility 10 miles. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 10 knots from the west northwest. Ocean water temperature 61 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: maximum ebb 3.1 knots at 11:14 PM, then slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 6 micrograms per cubic meter, rated good. Ozone is 46 parts per billion. Nitrogen dioxide is 7 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergency alerts, such as Alert SF in San Francisco. Hams are often among the first to relay that information. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: maghttps://k6eeg.org/archive/20261005-0330Z.htmlhttps://k6eeg.org/archive/20261005-0330Z.htmlMon, 05 Oct 2026 03:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Haze. Temperature 23 degrees Celsius. Dew point 11 degrees Celsius. Relative humidity 47 percent. Wind calm. Barometric pressure 1012 hectopascals, normal. Visibility 10 kilometers. National Weather Service forecast. Values converted to SI units. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West northwest wind 0.0 to 4.5 meters per second. Monday Night: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.9 to 4.0 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 5 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 20 degrees Celsius. Golden Gate currents: maximum ebb 1.6 meters per second at 11:14 PM, then slack water at 4:09 AM, then maximum flood 1.1 meters per second at 6:50 AM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 5 micrograms per cubic meter, rated good. Ozone is 46 parts per billion. Nitrogen dioxide is 6 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest ihttps://k6eeg.org/archive/20261005-0300Z.htmlhttps://k6eeg.org/archive/20261005-0300Z.htmlMon, 05 Oct 2026 03:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 73 degrees Fahrenheit. Dew point 54 degrees Fahrenheit. Relative humidity 50 percent. Wind calm. Barometric pressure 29.88 inches of mercury, normal. Visibility 10 miles. National Weather Service forecast. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Monday Night: Mostly clear, with a low around 60. West southwest wind 2 to 9 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 10 knots from the west northwest. Ocean water temperature 61 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: maximum ebb 3.1 knots at 11:14 PM, then slack water at 4:09 AM, then maximum flood 2.1 knots at 6:50 AM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 5 micrograms per cubic meter, rated good. Ozone is 46 parts per billion. Nitrogen dioxide is 6 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergency alerts, such as Alert SF in San Francisco. Hams are often among the first to relay that information. Seismic awareness for emergency cohttps://k6eeg.org/archive/20261005-0000Z.htmlhttps://k6eeg.org/archive/20261005-0000Z.htmlMon, 05 Oct 2026 00:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 82 degrees Fahrenheit. Dew point 54 degrees Fahrenheit. Relative humidity 37 percent. Wind calm. Barometric pressure 29.85 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. This Afternoon: Partly sunny. High near 89, with temperatures falling to around 80 in the afternoon. West wind 3 to 10 miles per hour. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 8 seconds, from the west northwest. Wind at the buoy 8 knots from the west northwest. Ocean water temperature 61 degrees Fahrenheit. San Francisco Bay water temperature 67 degrees Fahrenheit. Golden Gate currents: maximum flood 1.3 knots at 4:58 PM, then slack water at 6:58 PM, then maximum ebb 3.1 knots at 11:14 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 6 micrograms per cubic meter, rated good. Ozone is 29 parts per billion. Nitrogen dioxide is 5 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.5, near Pinnacles. No earthquakes of mhttps://k6eeg.org/archive/20261004-2130Z.htmlhttps://k6eeg.org/archive/20261004-2130Z.htmlSun, 04 Oct 2026 21:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Haze. Temperature 26 degrees Celsius. Dew point 14 degrees Celsius. Relative humidity 48 percent. Wind calm. Barometric pressure 1011 hectopascals, normal. Visibility 8 kilometers. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Values converted to SI units. This Afternoon: Partly sunny. High near 32 degrees Celsius, with temperatures falling to around 27 degrees Celsius in the afternoon. West wind 1.3 to 4.5 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West northwest wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 7 seconds, from the northwest. Mostly short-period wind waves. Wind at the buoy 4 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM, then slack water at 6:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 11 micrograms per cubic meter, rated good. Ozone is 50 parts per billion. Nitrogen dioxide is 8 parts per billion. For mhttps://k6eeg.org/archive/20261004-2100Z.htmlhttps://k6eeg.org/archive/20261004-2100Z.htmlSun, 04 Oct 2026 21:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 82 degrees Fahrenheit. Dew point 55 degrees Fahrenheit. Relative humidity 40 percent. Wind calm. Barometric pressure 29.86 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. This Afternoon: Partly sunny. High near 89, with temperatures falling to around 80 in the afternoon. West wind 3 to 10 miles per hour. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 8 seconds, from the west northwest. Wind at the buoy 8 knots from the west northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: slack water at 2:32 PM, then maximum flood 1.3 knots at 4:58 PM, then slack water at 6:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 11 micrograms per cubic meter, rated good. Ozone is 50 parts per billion. Nitrogen dioxide is 8 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergency alerts, such as Alert SF in San Francisco. Hams are often among the first to relay that information. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 https://k6eeg.org/archive/20261004-2030Z.htmlhttps://k6eeg.org/archive/20261004-2030Z.htmlSun, 04 Oct 2026 20:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Temperature 24 degrees Celsius. Dew point 17 degrees Celsius. Relative humidity 65 percent. Wind calm. Barometric pressure 1012 hectopascals, normal. Visibility 16 kilometers. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. Values converted to SI units. This Afternoon: Partly sunny. High near 32 degrees Celsius, with temperatures falling to around 27 degrees Celsius in the afternoon. West northwest wind 0.9 to 4.5 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West northwest wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 4 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM, then slack water at 6:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 15 micrograms per cubic meter, rated moderate. Ozone is 39 parts per billion. Nitrogen dioxide is 14 parts per billion. For more information visit the Bay Area Air District or openaq.org on the https://k6eeg.org/archive/20261004-2000Z.htmlhttps://k6eeg.org/archive/20261004-2000Z.htmlSun, 04 Oct 2026 20:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 73 degrees Fahrenheit. Dew point 61 degrees Fahrenheit. Relative humidity 65 percent. Wind calm. Barometric pressure 29.89 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. This Afternoon: Partly sunny. High near 89, with temperatures falling to around 80 in the afternoon. West northwest wind 2 to 10 miles per hour. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 6 knots from the west northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: slack water at 2:32 PM, then maximum flood 1.3 knots at 4:58 PM, then slack water at 6:58 PM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 15 micrograms per cubic meter, rated moderate. Ozone is 39 parts per billion. Nitrogen dioxide is 14 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergenchttps://k6eeg.org/archive/20261004-1930Z.htmlhttps://k6eeg.org/archive/20261004-1930Z.htmlSun, 04 Oct 2026 19:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Temperature 23 degrees Celsius. Dew point 17 degrees Celsius. Relative humidity 69 percent. Wind calm. Barometric pressure 1012 hectopascals, normal. Visibility 16 kilometers. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. Values converted to SI units. Today: Partly sunny. High near 32 degrees Celsius, with temperatures falling to around 27 degrees Celsius in the afternoon. Northwest wind 0.9 to 4.5 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West southwest wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 27 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West northwest wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 3 meters per second from the west northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM, then slack water at 6:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 12 micrograms per cubic meter, rated good. Ozone is 24 parts per billion. Nitrogen dioxide is 19 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awarehttps://k6eeg.org/archive/20261004-1900Z.htmlhttps://k6eeg.org/archive/20261004-1900Z.htmlSun, 04 Oct 2026 19:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 73 degrees Fahrenheit. Dew point 61 degrees Fahrenheit. Relative humidity 65 percent. Wind calm. Barometric pressure 29.89 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Today: Partly sunny. High near 89, with temperatures falling to around 80 in the afternoon. Northwest wind 2 to 10 miles per hour. Tonight: Mostly clear, with a low around 61. West southwest wind 0 to 9 miles per hour. Monday: Sunny. High near 81, with temperatures falling to around 75 in the afternoon. West northwest wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 8 seconds, from the northwest. Wind at the buoy 6 knots from the west. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: slack water at 2:32 PM, then maximum flood 1.3 knots at 4:58 PM, then slack water at 6:58 PM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 12 micrograms per cubic meter, rated good. Ozone is 24 parts per billion. Nitrogen dioxide is 19 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awarenehttps://k6eeg.org/archive/20261004-1830Z.htmlhttps://k6eeg.org/archive/20261004-1830Z.htmlSun, 04 Oct 2026 18:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Temperature 22 degrees Celsius. Dew point 17 degrees Celsius. Relative humidity 73 percent. Wind calm. Barometric pressure 1013 hectopascals, normal. Visibility 16 kilometers. National Weather Service forecast. Values converted to SI units. Today: Partly sunny. High near 29 degrees Celsius, with temperatures falling to around 25 degrees Celsius in the afternoon. West northwest wind 0.4 to 5.4 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 28 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 2 meters per second from the north northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: maximum ebb 0.8 meters per second at 11:39 AM, then slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 16 micrograms per cubic meter, rated moderate. Ozone is 13 parts per billion. Nitrogen dioxide is 22 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or https://k6eeg.org/archive/20261004-1800Z.htmlhttps://k6eeg.org/archive/20261004-1800Z.htmlSun, 04 Oct 2026 18:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 73 degrees Fahrenheit. Dew point 63 degrees Fahrenheit. Relative humidity 69 percent. Wind calm. Barometric pressure 29.90 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. Know how long your backup power lasts. Test it under real load, not just with a meter. National Weather Service forecast. Today: Partly sunny. High near 85, with temperatures falling to around 77 in the afternoon. West northwest wind 1 to 12 miles per hour. Tonight: Mostly clear, with a low around 61. West wind 0 to 9 miles per hour. Monday: Sunny. High near 82, with temperatures falling to around 76 in the afternoon. West wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 15 seconds, from the south southwest. That's long-period ground swell. Wind at the buoy 4 knots from the northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: maximum ebb 1.5 knots at 11:39 AM, then slack water at 2:32 PM, then maximum flood 1.3 knots at 4:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 16 micrograms per cubic meter, rated moderate. Ozone is 13 parts per billion. Nitrogen dioxide is 22 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past https://k6eeg.org/archive/20261004-1730Z.htmlhttps://k6eeg.org/archive/20261004-1730Z.htmlSun, 04 Oct 2026 17:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Temperature 22 degrees Celsius. Dew point 16 degrees Celsius. Relative humidity 69 percent. Wind calm. Barometric pressure 1013 hectopascals, normal. Visibility 16 kilometers. National Weather Service forecast. Values converted to SI units. Today: Partly sunny. High near 29 degrees Celsius, with temperatures falling to around 25 degrees Celsius in the afternoon. Northwest wind 0.4 to 5.4 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 28 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 0.9 meters, slight seas, dominant period 8 seconds, from the northwest. Wind at the buoy 2 meters per second from the north northwest. Ocean water temperature 16 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: maximum ebb 0.8 meters per second at 11:39 AM, then slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 11 micrograms per cubic meter, rated good. Ozone is 5 parts per billion. Nitrogen dioxide is 22 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sign up for your county's emergency alerts, such as Alert SF in San Francisco. Hams are often among the first to relay that information. Seishttps://k6eeg.org/archive/20261004-1700Z.htmlhttps://k6eeg.org/archive/20261004-1700Z.htmlSun, 04 Oct 2026 17:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 70 degrees Fahrenheit. Dew point 55 degrees Fahrenheit. Relative humidity 60 percent. Wind calm. Barometric pressure 29.90 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. Today: Partly sunny. High near 85, with temperatures falling to around 77 in the afternoon. Northwest wind 1 to 12 miles per hour. Tonight: Mostly clear, with a low around 61. West wind 0 to 9 miles per hour. Monday: Sunny. High near 82, with temperatures falling to around 76 in the afternoon. West wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 8 seconds, from the southwest. Wind at the buoy 4 knots from the north northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: maximum ebb 1.5 knots at 11:39 AM, then slack water at 2:32 PM, then maximum flood 1.3 knots at 4:58 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 11 micrograms per cubic meter, rated good. Ozone is 5 parts per billion. Nitrogen dioxide is 22 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.4, near Alum Rock. No earthquakes of magnitude 6 or greater worldhttps://k6eeg.org/archive/20261004-1630Z.htmlhttps://k6eeg.org/archive/20261004-1630Z.htmlSun, 04 Oct 2026 16:30:00 +0000Current weather conditions at San Francisco International Airport: All values in SI units. Temperature 21 degrees Celsius. Dew point 14 degrees Celsius. Relative humidity 64 percent. Wind calm. Barometric pressure 1013 hectopascals, normal. Visibility 16 kilometers. National Weather Service forecast. Values converted to SI units. Today: Partly sunny. High near 29 degrees Celsius, with temperatures falling to around 25 degrees Celsius in the afternoon. West northwest wind 0.4 to 5.4 meters per second. Tonight: Mostly clear, with a low around 16 degrees Celsius. West wind 0.0 to 4.0 meters per second. Monday: Sunny. High near 28 degrees Celsius, with temperatures falling to around 24 degrees Celsius in the afternoon. West wind 0.0 to 4.5 meters per second. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.02 meters. High tide at 8:16 AM, 1.42 meters. Low tide at 12:48 PM, 1.00 meters. High tide at 6:32 PM, 1.72 meters. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 1.0 meters, slight seas, dominant period 8 seconds, from the northwest. Wind at the buoy 2 meters per second from the northwest. Ocean water temperature 15 degrees Celsius. San Francisco Bay water temperature 19 degrees Celsius. Golden Gate currents: maximum ebb 0.8 meters per second at 11:39 AM, then slack water at 2:32 PM, then maximum flood 0.7 meters per second at 4:58 PM. If you feel a strong or long-lasting earthquake near the coast, move to high ground immediately. Don't wait for an official tsunami warning. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 7 micrograms per cubic meter, rated good. Ozone is 3 parts per billion. Nitrogen dioxide is 20 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Sihttps://k6eeg.org/archive/20261004-1600Z.htmlhttps://k6eeg.org/archive/20261004-1600Z.htmlSun, 04 Oct 2026 16:00:00 +0000Current weather conditions at San Francisco International Airport: Temperature 66 degrees Fahrenheit. Dew point 57 degrees Fahrenheit. Relative humidity 73 percent. Wind calm. Barometric pressure 29.90 inches of mercury, normal. Visibility 10 miles. Batteries and radios in parked cars degrade in heat. Keep go-kit batteries somewhere cool. National Weather Service forecast. Today: Partly sunny. High near 85, with temperatures falling to around 77 in the afternoon. Northwest wind 1 to 12 miles per hour. Tonight: Mostly clear, with a low around 61. West wind 0 to 9 miles per hour. Monday: Sunny. High near 82, with temperatures falling to around 76 in the afternoon. West wind 0 to 10 miles per hour. Tide predictions for today at the San Francisco Embarcadero gauge. Low tide at 12:34 AM, minus 0.1 feet. High tide at 8:16 AM, 4.7 feet. Low tide at 12:48 PM, 3.3 feet. High tide at 6:32 PM, 5.6 feet. Ocean and bay conditions. No marine advisories in effect. From the San Francisco buoy, 18 nautical miles west of the Golden Gate: significant wave height 3 feet, slight seas, dominant period 8 seconds, from the northwest. Wind at the buoy 4 knots from the north northwest. Ocean water temperature 60 degrees Fahrenheit. San Francisco Bay water temperature 66 degrees Fahrenheit. Golden Gate currents: slack water at 9:03 AM, then maximum ebb 1.5 knots at 11:39 AM, then slack water at 2:32 PM. Air quality for field operations, from the Bay Area Air District's San Francisco Arkansas Street monitoring station. Fine particulate matter, PM2.5, is 7 micrograms per cubic meter, rated good. Ozone is 3 parts per billion. Nitrogen dioxide is 20 parts per billion. For more information visit the Bay Area Air District or openaq.org on the web. Seismic awareness for emergency communicators: no Bay Area earthquakes of magnitude 2.5 or greater in the past 24 hours. Largest in California in the past 24 hours: magnitude 2.4, near Alum Rock. No earthquakes of magnitude 6 or greater worldwide. Seismic