Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Small Craft Advisory until December 27, 09:00 AM PST

Last Update: 835 PM PST Fri Dec 26 2025

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For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Tonight

NW wind 10 to 15 kt, rising to 15 to 20 kt late this evening and overnight. Seas 10 to 14 ft, subsiding to 8 to 11 ft after midnight. Wave detail: W 11 ft at 14 seconds and SW 8 ft at 14 seconds. Rain likely, mainly this evening.

Sat

NW wind 15 to 20 kt, becoming N 10 to 15 kt in the afternoon. Seas 8 to 11 ft, subsiding to 6 to 9 ft in the afternoon. Wave detail: W 10 ft at 11 seconds and S 4 ft at 12 seconds. A slight chance of rain in the morning.

Sat Night

N wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: S 3 ft at 9 seconds and NW 6 ft at 10 seconds.

Sun

NE wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 11 seconds.

Sun Night

NE wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 3 to 5 ft. Wave detail: NW 4 ft at 10 seconds.

Mon

NE wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 9 seconds.

Mon Night

NE wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 9 seconds.

Tue

NE wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 13 seconds.

Tue Night

NE wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 13 seconds.

Wed

NE wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 12 seconds.

Wed Night

E wind around 5 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 12 seconds. A chance of rain.

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

in the deep water channel...mixed seas of 9 to 12 feet at 9 seconds.

across the bar...mixed seas of 10 to 14 feet at 9 seconds. Maximum ebb current of 2.2 kt at 08:48 pm friday and 2.0 kt at 10:08 am saturday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 9 to 12 feet at 9 seconds. ACROSS THE BAR...Mixed seas of 10 to 14 feet at 9 seconds. Maximum ebb current of 2.2 kt at 08:48 PM Friday and 2.0 kt at 10:08 AM Saturday.