Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Last Update: 839 AM PDT Fri Jul 10 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 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 15 seconds.

Tonight

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 15 seconds.

Sat

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

Sat Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds.

Sun

W wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 14 seconds.

Sun Night

W wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 15 seconds.

Mon

NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds.

Mon 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 14 seconds.

Tue

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds.

Tue Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft, building to 5 to 8 ft after midnight. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 14 seconds.

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

in the deep water channel...mixed seas of 4 to 6 ft at 17 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 1.1 kt at 01:45 pm friday and 3.7 kt at 01:39 am saturday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 ft at 17 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 1.1 kt at 01:45 PM Friday and 3.7 kt at 01:39 AM Saturday.