Severe Weather Possible from the Central Plains to the Northeast; Building Heat in the West; Fire Weather Concerns for the Southwest

Severe thunderstorms will be possible from the central Plains to the Mid-Atlantic and Northeast on Monday. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Hot and dry conditions will fuel fire weather concerns for Interior Alaska and the Four Corners region through Monday. Read More >

Last Update: 240 PM PDT Sun Jun 21 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and SW 2 ft at 15 seconds.

Mon

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.

Mon Night

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

Tue

SW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and SW 2 ft at 15 seconds.

Tue Night

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

Wed

SW wind around 5 kt. Seas around 3 ft. Wave detail: NW 2 ft at 8 seconds and SW 2 ft at 18 seconds.

Wed Night

W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and SW 2 ft at 17 seconds.

Thu

W wind 5 to 10 kt, rising to 15 to 20 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and S 2 ft at 16 seconds.

Thu Night

NW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 6 ft at 9 seconds.

Fri

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds.

Fri Night

NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 4 to 6 ft.

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

in the deep water channel...mixed seas of 3 to 5 ft at 18 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 2.1 kt at 11:30 pm sunday and 1.8 kt at 11:21 am monday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 18 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 2.1 kt at 11:30 PM Sunday and 1.8 kt at 11:21 AM Monday.