Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Last Update: 806 AM PST Wed Jan 28 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

NE wind 5 to 10 kt, backing to N this afternoon. Seas 5 to 7 ft. Wave detail: SW 2 ft at 12 seconds and W 6 ft at 13 seconds.

Tonight

N wind 5 to 10 kt, veering to NE after midnight. Seas 5 to 7 ft. Wave detail: W 7 ft at 13 seconds and SW 3 ft at 16 seconds.

Thu

N wind 5 to 10 kt. Seas 6 to 9 ft. Wave detail: W 8 ft at 15 seconds and S 2 ft at 17 seconds.

Thu Night

N wind 5 to 10 kt. Seas 6 to 9 ft. Wave detail: W 8 ft at 15 seconds and SW 3 ft at 17 seconds.

Fri

NE wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: W 7 ft at 13 seconds and SW 3 ft at 15 seconds.

Fri Night

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

Sat

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

Sat Night

SE wind around 5 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 16 seconds and SW 3 ft at 16 seconds. A chance of rain after midnight.

Sun

S wind around 5 kt, veering to W in the afternoon. Seas 6 to 9 ft. Wave detail: W 8 ft at 16 seconds and SW 3 ft at 17 seconds.

Sun Night

NW wind 5 to 10 kt. Seas 7 to 10 ft. Wave detail: SW 4 ft at 14 seconds and W 9 ft at 16 seconds.

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

in the deep water channel...mixed seas of 3 to 5 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 11:45 am wednesday and 1.1 kt at 01:01 am thursday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 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 11:45 AM Wednesday and 1.1 kt at 01:01 AM Thursday.