Tropical Moisture Will Bring Heavy to Excessive Rainfall with Possible Flooding This Week

Tropical moisture from the remnants of Odalys and Hurricane Polo will surge over the southwest into the central U.S. this week with several days of heavy to excessive rainfall which may bring limited to considerable flooding. Flood Watches have been issued through Wednesday in the southwest U.S. and moderate risk outlooks have been issued today through Thursday. Read More >

Last Update: 252 AM PDT Mon Sep 28 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, easing to 5 to 10 kt late this morning, rising to 10 to 15 kt this afternoon. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 12 seconds.

Tonight

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 7 ft at 9 seconds and S 2 ft at 13 seconds.

Tue

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds.

Tue Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds and S 2 ft at 15 seconds.

Wed

NW wind 5 to 10 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and S 2 ft at 15 seconds.

Wed Night

NW wind 5 to 10 kt, becoming W after midnight. Seas 5 to 7 ft. Wave detail: NW 6 ft at 10 seconds and S 2 ft at 15 seconds.

Thu

SW wind around 5 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds.

Thu Night

W wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 10 seconds and SW 2 ft at 14 seconds.

Fri

NW wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 10 seconds and SW 2 ft at 13 seconds.

Fri Night

NW wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and SW 2 ft at 12 seconds.

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

in the deep water channel...mixed seas of 3 to 5 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 2.1 kt at 06:04 am monday and 4.2 kt at 05:55 pm monday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 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 2.1 kt at 06:04 AM Monday and 4.2 kt at 05:55 PM Monday.