Severe Weather and Heavy Rain from the Ohio Valley to the Mid-Atlantic; Heat Persists in the South-Central U.S.

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected across portions of the Ohio Valley into southern Mid-Atlantic and Carolinas. Rounds of strong thunderstorms are expected to develop across the northern and central Plains. Sweltering heat remains most persistent across the South-Central Plains and Lower/Middle Mississippi Valley through next week. Read More >

Last Update: 227 AM PDT Sun Sep 6 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. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and S 3 ft at 15 seconds.

Tonight

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and S 3 ft at 14 seconds.

Labor Day

N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and S 3 ft at 14 seconds.

Mon Night

NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 13 seconds.

Tue

W wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 13 seconds.

Tue Night

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

Wed

N wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 2 ft at 7 seconds and S 3 ft at 11 seconds.

Wed Night

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

Thu

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

Thu Night

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

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

in the deep water channel...mixed seas of 3 to 5 ft at 16 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 1.3 kt at 01:25 pm sunday and 2.5 kt at 01:07 am monday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 16 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 1.3 kt at 01:25 PM Sunday and 2.5 kt at 01:07 AM Monday.