Back-to-Back Winter Storms Across the North-Central U.S.; Severe Weather Threat in the Midwest

A late-season winter storm continues to bring heavy snow, significant sleet, and disruptive icing to the Upper Midwest and western Great Lakes into the morning; and will be followed by another storm. Severe thunderstorms continue across the Midwest to the lower Great Lakes through tonight, before bringing a round of freezing rain and sleet Friday morning across northern New England. Read More >

Last Update: 240 AM PDT Fri Apr 3 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

N wind 10 to 15 kt, becoming NW 5 to 10 kt late this morning, rising to 10 to 15 kt this afternoon. Seas 5 to 7 ft. Wave detail: NW 7 ft at 11 seconds.

Tonight

NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 11 seconds.

Sat

NE wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 10 seconds.

Sat Night

N wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 10 seconds.

Sun

N wind around 5 kt, backing to NW around 5 kt in the afternoon. Seas around 3 ft. Wave detail: NW 3 ft at 10 seconds and S 2 ft at 17 seconds.

Sun Night

W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 10 seconds and S 2 ft at 16 seconds.

Mon

W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 10 seconds and S 2 ft at 15 seconds.

Mon Night

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 9 seconds.

Tue

NW wind around 5 kt, backing to W in the afternoon. Seas around 3 ft. Wave detail: NW 3 ft at 8 seconds.

Tue Night

W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 7 seconds and S 2 ft at 14 seconds. A chance of rain.

.....san francisco bar/fourfathom bank forecast.....

in the deep water channel...mixed seas of 4 to 6 feet at 12 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 3.6 kt at 06:08 am friday and 1.8 kt at 06:45 pm friday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 feet at 12 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 3.6 kt at 06:08 AM Friday and 1.8 kt at 06:45 PM Friday.