Atmospheric River to Begin to Impact the Northwest U.S.; Gusty Winds in the Northeast U.S.

A strong atmospheric river moving into northern California later Tuesday will bring a threat for moderate to heavy rainfall and flooding, gusty to high winds, and mountain snows for parts of the Northwest U.S. through at least Wednesday. Gusty winds and isolated rain and snow showers will continue in the Northeast U.S. Tuesday behind a cold front. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from November 4, 03:00 PM PST until November 4, 09:00 PM PST
Gale Watch in effect from November 4, 09:00 PM PST until November 5, 03:00 PM PST

Last Update: 841 PM PST Mon Nov 3 2025

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For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

S wind around 5 kt, rising to 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 6 ft at 14 seconds and SW 2 ft at 15 seconds.

Tue

S wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 6 ft at 13 seconds and S 2 ft at 14 seconds.

Tue Night

S wind 25 to 30 kt, rising to 30 to 35 kt with gusts up to 45 kt after midnight. Seas 5 to 8 ft, building to 7 to 10 ft after midnight. Wave detail: S 10 ft at 8 seconds and NW 3 ft at 12 seconds. Rain likely in the evening, then showers with a slight chance of tstms after midnight.

Wed

S wind 25 to 30 kt. Gusts up to 45 kt in the morning. Seas 9 to 11 ft. Wave detail: S 10 ft at 8 seconds and W 6 ft at 12 seconds. Rain.

Wed Night

S wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 9 to 12 ft. Wave detail: S 8 ft at 9 seconds and W 11 ft at 15 seconds. A chance of showers, mainly in the evening.

Thu

S wind around 5 kt, veering to W around 5 kt in the afternoon. Seas 9 to 12 ft. Wave detail: S 5 ft at 14 seconds and W 11 ft at 15 seconds.

Thu Night

NW wind around 5 kt. Seas 8 to 11 ft, subsiding to 6 to 9 ft after midnight. Wave detail: SW 3 ft at 12 seconds and W 10 ft at 15 seconds.

Fri

NW wind around 5 kt. Seas 5 to 8 ft. Wave detail: W 8 ft at 14 seconds.

Fri Night

N wind around 5 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 13 seconds.

Sat

N wind around 5 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 12 seconds.

Sat Night

W wind around 5 kt, backing to SE after midnight. Seas 4 to 6 ft. Wave detail: W 6 ft at 12 seconds and SW 2 ft at 13 seconds.

winds and seas higher in and near tstms.

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

in the deep water channel...mixed seas of 3 to 5 feet at 14 seconds.

across the bar...mixed seas of 4 to 7 feet at 14 seconds. Maximum ebb current of 1.9 kt at 02:41 am tuesday and 4.4 kt at 02:51 pm tuesday.