Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Last Update: 219 AM PST Sun Feb 1 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 5 to 10 kt, rising to 15 to 20 kt. Seas 5 to 7 ft, building to 6 to 9 ft this afternoon. Wave detail: S 4 ft at 13 seconds and W 8 ft at 16 seconds.

Tonight

NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: S 2 ft at 14 seconds and W 9 ft at 16 seconds.

Mon

NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave detail: SW 2 ft at 14 seconds and W 9 ft at 15 seconds.

Mon Night

N wind around 5 kt. Seas 5 to 8 ft. Wave detail: W 8 ft at 14 seconds.

Tue

NE wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: S 2 ft at 12 seconds and W 6 ft at 13 seconds.

Tue Night

NE wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: SW 2 ft at 9 seconds and W 5 ft at 12 seconds.

Wed

NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: S 2 ft at 11 seconds and W 5 ft at 15 seconds.

Wed Night

NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: S 2 ft at 12 seconds and W 6 ft at 15 seconds.

Thu

NE wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: SW 3 ft at 12 seconds and W 6 ft at 14 seconds.

Thu Night

NE wind around 5 kt. Seas 6 to 9 ft. Wave detail: SW 3 ft at 13 seconds and W 8 ft at 15 seconds.

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

in the deep water channel...mixed seas of 4 to 6 feet 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 1.9 kt at 03:47 am sunday and 3.3 kt at 03:58 pm sunday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 feet 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 1.9 kt at 03:47 AM Sunday and 3.3 kt at 03:58 PM Sunday.