Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Last Update: 842 PM PDT Wed Aug 12 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

SW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 15 seconds.

Thu

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

Thu Night

W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 14 seconds.

Fri

SW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 15 seconds.

Fri Night

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

Sat

W wind around 5 kt. Seas around 3 ft. Wave detail: NW 3 ft at 7 seconds and S 2 ft at 17 seconds.

Sat Night

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 6 seconds and S 2 ft at 16 seconds.

Sun

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds and S 2 ft at 15 seconds.

Sun Night

NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 6 seconds and SW 2 ft at 15 seconds.

Mon

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

Mon Night

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds.

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

in the deep water channel...mixed seas of 3 to 5 ft at 9 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 3.3 kt at 05:31 am thursday and 2.5 kt at 06:03 pm thursday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 9 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 3.3 kt at 05:31 AM Thursday and 2.5 kt at 06:03 PM Thursday.