Spot Forecast
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
626 FNUS76 KMTR 080446 FWSMTR Spot Forecast for Angel Island RX...California State Parks National Weather Service San Francisco CA 946 PM PDT Mon Sep 7 2026 Forecast is based on ignition time of 0900 PDT on September 08. If conditions become unrepresentative, contact the National Weather Service. ...HEAT ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 10 PM PDT THURSDAY... .DISCUSSION...The warm and dry weather will continue through the week, with the hottest day expected on Wednesday. Surface winds will be light in the mornings before a moderate westerly sea breeze kicks in around midday, and continues through the evening. Winds above 2,000 ft will become Easterly, although poor mixing heights will limit vertical smoke dispersion, keeping smoke mainly in the shallow westerly layer. .TUESDAY... Sky/weather.........Sunny. Max temperature.....81-85. Min humidity........35-40 percent. Wind (20 ft)........Light winds in the morning becoming W 10-18 mph in the afternoon. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......500 ft AGL. Transport winds.....West around 5 mph. Marine layer........None. .TUESDAY NIGHT... Sky/weather.........Partly cloudy then becoming mostly cloudy. Min temperature.....61-65. Max humidity........65-69 percent. Wind (20 ft)........W 6-12 mph. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......200 ft AGL. Transport winds.....Southwest around 6 mph. Marine layer........None. .WEDNESDAY... Sky/weather.........Mostly cloudy then becoming sunny. Max temperature.....86-90. Min humidity........25-30 percent. Wind (20 ft)........Light winds in the morning becoming W 8-16 mph in the afternoon. CWR.................0 percent. Chance of thunder...0 percent. Mixing height.......700 ft AGL. Transport winds.....Northwest around 5 mph. Marine layer........None. $$ Forecaster...D_FLYNN/A_NAVARRETE Requested by...Sarah Gibson Type of request...PRESCRIBED .TAG 2621388.0/MTR .DELDT 09/08/26 .FormatterVersion 2.0.0 .EMAIL steve.millosovich@fire.ca.gov,jeremiah.hanks@marincounty.gov,ryan.isham@fire.ca.gov,graham.groneman@marincounty.gov,naftali.moed@parks.ca.gov,sarah.gibson@parks.ca.gov