Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Last Update: 848 AM PDT Wed Sep 16 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

W wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 9 seconds and S 2 ft at 16 seconds.

Tonight

SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds and S 2 ft at 16 seconds.

Thu

S wind around 5 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 8 seconds and SW 2 ft at 17 seconds. A slight chance of drizzle in the morning.

Thu Night

NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.

Fri

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 9 seconds and SW 2 ft at 15 seconds.

Fri Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds.

Sat

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.

Sat Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.

Sun

NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 7 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.

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

in the deep water channel...mixed seas of 3 to 5 ft at 8 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 1.2 kt at 09:12 am wednesday and 2.6 kt at 08:17 pm wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 8 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 1.2 kt at 09:12 AM Wednesday and 2.6 kt at 08:17 PM Wednesday.