
Fire Weather Issues; Pacific System Moving Inland
Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >
Hazardous Weather Conditions
Last Update: 213 PM PDT Mon Apr 20 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
S wind 15 to 20 kt, easing to 5 to 10 kt late this evening and overnight. Seas 5 to 8 ft. Wave detail: S 5 ft at 7 seconds and W 6 ft at 13 seconds. A chance of rain this evening, then showers with a slight chance of tstms after midnight.
Tue
SW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: S 3 ft at 7 seconds and W 6 ft at 12 seconds. A chance of tstms. Showers.
Tue Night
W wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: S 3 ft at 6 seconds and W 5 ft at 11 seconds. A slight chance of tstms in the evening. Rain likely.
Wed
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: SW 4 ft at 7 seconds and W 4 ft at 10 seconds. A chance of rain in the morning.
Wed Night
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: SW 3 ft at 7 seconds and W 4 ft at 9 seconds.
Thu
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds and S 2 ft at 12 seconds.
Thu Night
NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 14 seconds.
Fri
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 9 seconds and SW 2 ft at 11 seconds.
Fri Night
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 9 seconds and SW 2 ft at 15 seconds.
Sat
W wind around 5 kt, backing to SW in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds.
Sat Night
W wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 8 seconds and SW 2 ft at 10 seconds.
winds and seas higher in and near tstms.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 feet at 14 seconds.
across the bar...swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.2 kt at 07:47 pm monday and 4.4 kt at 07:03 am tuesday.
winds and seas higher in and near tstms.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 feet at 14 seconds.
across the bar...swell can be more than twice as high across the bar than surrounding waters. Waves are also more prone to break, particularly during strong ebb currents. Maximum ebb current of 1.2 kt at 07:47 pm monday and 4.4 kt at 07:03 am tuesday.
Additional Forecasts and Information
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