Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Last Update: 237 AM PDT Mon Jun 22 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

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. Patchy dense fog this morning.

Tonight

W wind 5 to 10 kt, easing to around 5 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog.

Tue

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

Tue Night

W wind around 5 kt. Seas around 3 ft. Wave detail: NW 3 ft at 7 seconds and SW 2 ft at 15 seconds. Patchy fog.

Wed

SW wind around 5 kt. Seas around 3 ft. Wave detail: NW 2 ft at 7 seconds and SW 2 ft at 18 seconds. Patchy fog in the morning.

Wed Night

W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 17 seconds. Patchy fog.

Thu

W wind 5 to 10 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 16 seconds. Patchy fog in the morning.

Thu Night

NW wind 15 to 20 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave detail: NW 7 ft at 9 seconds and S 2 ft at 15 seconds.

Fri

NW wind 15 to 20 kt. Seas 5 to 8 ft, subsiding to 5 to 6 ft in the afternoon. Wave detail: NW 7 ft at 8 seconds and SW 2 ft at 15 seconds.

Fri Night

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 7 seconds and S 2 ft at 16 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 1.8 kt at 11:21 am monday and 2.4 kt at 12:30 am tuesday.

.....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 1.8 kt at 11:21 AM Monday and 2.4 kt at 12:30 AM Tuesday.