Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes
Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >
Hazardous Weather Conditions
Last Update: 128 PM PST Tue Feb 24 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
S wind 10 to 15 kt, becoming SW 5 to 10 kt after midnight, veering to NW late. Seas 5 to 7 ft. Wave detail: SW 6 ft at 10 seconds and NW 3 ft at 13 seconds. Rain likely this evening, then a chance of rain after midnight. A slight chance of rain late. Patchy dense fog late.
Wed
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: SW 6 ft at 10 seconds. Patchy dense fog in the morning.
Wed Night
NW wind 5 to 10 kt, becoming N after midnight. Seas 4 to 6 ft. Wave detail: SW 5 ft at 14 seconds and W 4 ft at 17 seconds.
Thu
NE wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave detail: SW 4 ft at 12 seconds and W 4 ft at 15 seconds.
Thu Night
NW wind 5 to 10 kt, becoming N after midnight. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds.
Fri
N wind around 5 kt, backing to NW in the afternoon. Seas around 3 ft. Wave detail: NW 3 ft at 7 seconds.
Fri Night
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 7 seconds.
Sat
NW wind around 5 kt, backing to W in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 12 seconds and SW 2 ft at 16 seconds.
Sat Night
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 11 seconds.
Sun
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 7 seconds.
Sun Night
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 feet at 13 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 0.9 kt at 10:37 pm tuesday and 2.9 kt at 09:56 am wednesday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 feet at 13 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 0.9 kt at 10:37 pm tuesday and 2.9 kt at 09:56 am wednesday.
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