Fire Weather Concerns and Severe Weather
Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >
Hazardous Weather Conditions
Last Update: 201 AM PDT Sat Sep 12 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
NW wind 15 to 20 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 15 seconds.
Tonight
NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds.
Sun
NW wind 15 to 20 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 6 seconds and SW 2 ft at 14 seconds.
Sun Night
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 7 seconds and SW 2 ft at 14 seconds.
Mon
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 12 seconds.
Mon Night
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave detail: SW 2 ft at 7 seconds and NW 7 ft at 9 seconds.
Tue
NW wind 10 to 15 kt, becoming W around 5 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 9 seconds.
Tue Night
W wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 9 seconds.
Wed
SW wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 8 seconds.
Wed Night
W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and SW 2 ft at 14 seconds. Patchy fog after midnight.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft at 15 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 2.7 kt at 06:04 am saturday and 3.4 kt at 06:20 pm saturday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft at 15 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 2.7 kt at 06:04 am saturday and 3.4 kt at 06:20 pm saturday.
Additional Forecasts and Information
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