Last Update: 211 AM PDT Tue Aug 25 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

NW wind 10 to 15 kt. Seas around 3 ft. Wave detail: NW 3 ft at 6 seconds and S 2 ft at 14 seconds.

Tonight

NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 3 ft at 5 seconds.

Wed

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds and S 2 ft at 13 seconds.

Wed Night

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds.

Thu

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 5 ft. Wave detail: NW 4 ft at 7 seconds and S 2 ft at 12 seconds.

Thu Night

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 12 seconds.

Fri

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 11 seconds.

Fri Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.

Sat

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 16 seconds.

Sat Night

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 17 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft 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 1.9 kt at 03:07 am tuesday and 1.5 kt at 03:43 pm tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft 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 1.9 kt at 03:07 AM Tuesday and 1.5 kt at 03:43 PM Tuesday.