Dangerous Heat in the Southwest; Severe Thunderstorms from the Central Plains into the Ohio Valley

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Isolated to widely scattered severe storms are expected across parts of the central and southern High Plains, Great Lakes into the Ohio Valley, and parts of the Ozarks to Lower Mississippi Valley today. Read More >

Last Update: 828 AM PDT Wed Aug 26 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 late. Seas 3 to 4 ft. Wave detail: NW 4 ft at 6 seconds and SW 2 ft at 13 seconds.

Tonight

NW wind 15 to 20 kt. Gusts up to 35 kt in the evening. Seas 5 to 7 ft. Wave detail: NW 5 ft at 7 seconds and S 2 ft at 13 seconds.

Thu

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and S 2 ft at 12 seconds.

Thu Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. 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 12 seconds.

Fri Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 16 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 18 seconds.

Sat Night

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

Sun

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 16 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 15 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 1.7 kt at 04:24 pm wednesday and 2.5 kt at 04:34 am thursday.

.....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 1.7 kt at 04:24 PM Wednesday and 2.5 kt at 04:34 AM Thursday.