Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Last Update: 304 PM PDT Fri Aug 28 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and S 2 ft at 18 seconds.

Sat

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds.

Sat Night

NW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Gusts up to 40 kt. Seas 5 to 8 ft. Wave detail: NW 6 ft at 8 seconds and S 3 ft at 16 seconds.

Sun

NW wind 15 to 20 kt, easing to 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 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.

Mon Night

W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 8 seconds and S 3 ft at 14 seconds.

Tue

W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 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 8 seconds and S 2 ft at 12 seconds.

Wed

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 2 ft at 6 seconds and SW 2 ft at 10 seconds.

Wed Night

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 6 seconds and S 2 ft at 12 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft at 15 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 2.3 kt at 05:39 pm friday and 2.8 kt at 05:52 am saturday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 15 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 2.3 kt at 05:39 PM Friday and 2.8 kt at 05:52 AM Saturday.