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: 815 AM PST Fri Jan 30 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

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

Tonight

NE wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 6 ft at 12 seconds and SW 2 ft at 14 seconds.

Sat

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

Sat Night

N wind around 5 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 12 seconds and SW 3 ft at 15 seconds.

Sun

N wind around 5 kt, backing to NW 10 to 15 kt in the afternoon. Seas 6 to 9 ft. Wave detail: SW 3 ft at 15 seconds and W 8 ft at 16 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 7 to 10 ft. Wave detail: SW 4 ft at 13 seconds and W 9 ft at 16 seconds.

Mon

N wind 5 to 10 kt. Seas 7 to 10 ft. Wave detail: SW 4 ft at 10 seconds and W 9 ft at 15 seconds.

Mon Night

N wind 5 to 10 kt. Seas 6 to 9 ft. Wave detail: W 8 ft at 14 seconds.

Tue

NE wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: W 7 ft at 13 seconds.

Tue Night

N wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: SW 2 ft at 11 seconds and W 5 ft at 12 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 3.3 kt at 01:46 pm friday and 1.6 kt at 02:50 am saturday.

.....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 3.3 kt at 01:46 PM Friday and 1.6 kt at 02:50 AM Saturday.