Significant Coastal Impacts to the Eastern Seaboard; Hurricane Nolo to Impact Hawaii
A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Hurricane Nolo is expected to stay just south of the Big Island of Hawaii. However, strong winds and heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >
Hazardous Weather Conditions
Last Update: 838 PM PDT Fri Sep 25 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 8 seconds and S 2 ft at 12 seconds.
Sat
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 12 seconds.
Sat Night
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 13 seconds.
Sun
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 13 seconds.
Sun Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 13 seconds.
Mon
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.
Mon Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 9 seconds.
Tue
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 7 ft at 10 seconds.
Tue Night
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds.
Wed
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds.
Wed Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 15 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 ft at 11 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 2.3 kt at 04:41 am saturday and 3.3 kt at 04:56 pm saturday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 ft at 11 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 2.3 kt at 04:41 am saturday and 3.3 kt at 04:56 pm saturday.
Additional Forecasts and Information
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