Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Last Update: 854 AM PDT Sat Aug 29 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, rising to 15 to 20 kt this afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 18 seconds.

Tonight

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

Sun

NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds.

Sun Night

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

Mon

W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 14 seconds.

Mon Night

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

Tue

W wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 7 seconds and S 2 ft at 13 seconds.

Tue Night

W wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 2 ft at 7 seconds and S 2 ft at 12 seconds.

Wed

W wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 2 ft at 9 seconds and S 2 ft at 12 seconds.

Wed Night

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 2 ft at 8 seconds and S 2 ft at 13 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 2.7 kt at 06:09 pm saturday and 2.7 kt at 06:27 am sunday.

.....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 2.7 kt at 06:09 PM Saturday and 2.7 kt at 06:27 AM Sunday.