Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.
Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >
Hazardous Weather Conditions
Last Update: 855 AM PST Fri Feb 20 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
N wind 5 to 10 kt, veering to NE late this morning, veering to SE this afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft this afternoon. Wave detail: NW 8 ft at 11 seconds.
Tonight
S wind 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave detail: NW 5 ft at 10 seconds.
Sat
SE wind 20 to 25 kt, becoming S 25 to 30 kt in the afternoon. Seas 4 to 6 ft. Wave detail: S 6 ft at 7 seconds and W 3 ft at 9 seconds. A slight chance of rain.
Sat Night
SE wind 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Wave detail: S 7 ft at 8 seconds. A chance of rain.
Sun
S wind 25 to 30 kt with gusts up to 40 kt. Seas 6 to 8 ft. Wave detail: S 7 ft at 8 seconds and W 2 ft at 11 seconds. A chance of rain.
Sun Night
SE wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: S 7 ft at 9 seconds and NW 3 ft at 14 seconds. A chance of rain.
Mon
SE wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: SW 6 ft at 9 seconds and NW 4 ft at 13 seconds. A chance of rain.
Mon Night
S wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 10 seconds and NW 3 ft at 13 seconds. Rain.
Tue
S wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 9 seconds and NW 3 ft at 11 seconds. Rain.
Tue Night
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: SW 5 ft at 9 seconds and NW 3 ft at 11 seconds. Rain likely.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 5 to 7 feet with two wave systems at 7 and 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 2.6 kt at 06:18 pm friday and 3.4 kt at 06:31 am saturday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 5 to 7 feet with two wave systems at 7 and 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 2.6 kt at 06:18 pm friday and 3.4 kt at 06:31 am saturday.
Additional Forecasts and Information
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