Showers and Storms continue across the East; Heat, Critical Fire Weather, Drought, and Poor Air Quality continues in the West

A series of fronts will focus locally heavy showers and storms across portions of the central and eastern U.S. through the end of the workweek. Dangerous to extreme heat continues across the Southwest U.S., eventually spreading eastward over the weekend into early next week. Elevated fire weather conditions continue across the Great Basin, with degraded air quality lingering across the Northwest. Read More >

Last Update: 821 AM PDT Wed Aug 5 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

S wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 8 seconds and SW 2 ft at 13 seconds.

Tonight

SW wind around 5 kt. Seas around 3 ft. Wave detail: NW 3 ft at 9 seconds. Patchy dense fog.

Thu

SW wind around 5 kt. Seas around 3 ft. Wave detail: NW 2 ft at 8 seconds. Patchy fog in the morning.

Thu Night

NW wind around 5 kt. Seas around 2 ft or less. Wave detail: NW 2 ft at 8 seconds.

Fri

NW wind 5 to 10 kt. Seas around 2 ft or less, then around 3 ft in the afternoon. Wave detail: NW 2 ft at 6 seconds.

Fri Night

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 6 seconds.

Sat

NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds and SW 2 ft at 14 seconds.

Sat Night

NW wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave detail: NW 5 ft at 9 seconds.

Sun

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 16 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft at 10 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 1.4 kt at 09:58 am wednesday and 3.0 kt at 10:06 pm wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 10 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 1.4 kt at 09:58 AM Wednesday and 3.0 kt at 10:06 PM Wednesday.