Severe Thunderstorms and Heavy Rain Across the Central US; Wintry Mix in the Northern Plains and Northeast

Severe thunderstorms and flash flooding are possible across the central U.S. through Saturday. Large hail, damaging winds, and tornadoes are all possible. There is an increased threat for wildfire development in the southern to central High Plains. A wintry mix of snow, sleet and freezing rain are forecast across portions of the northern Plains and central New England into early Friday morning. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 7, 03:00 AM PST

Last Update: 232 PM PST Thu Mar 5 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 25 to 30 kt with occasional gusts up to 35 kt, veering to N 20 to 25 kt after midnight. Seas 8 to 11 ft. Wave detail: NW 10 ft at 11 seconds.

Fri

NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 11 seconds.

Fri Night

N wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 11 seconds.

Sat

N wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 10 seconds.

Sat Night

NW wind 5 to 10 kt, becoming N after midnight. Seas 4 to 5 ft. Wave detail: NW 5 ft at 10 seconds.

Sun

NE wind around 5 kt, backing to NW in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 10 seconds.

Sun Night

NW wind 5 to 10 kt, rising to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 7 ft at 11 seconds.

Mon

NW wind 15 to 20 kt, rising to 25 to 30 kt in the afternoon. Seas 5 to 8 ft, building to 7 to 10 ft in the afternoon. Wave detail: NW 9 ft at 11 seconds.

Mon Night

NW wind 25 to 35 kt. Seas 7 to 10 ft. Wave detail: NW 10 ft at 11 seconds.

Tue

NW wind 25 to 30 kt. Seas 7 to 10 ft. Wave detail: NW 9 ft at 11 seconds.

Tue Night

NW wind 25 to 30 kt, easing to 15 to 20 kt after midnight. Seas 7 to 10 ft. Wave detail: NW 9 ft at 11 seconds.

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

in the deep water channel...mixed seas of 3 to 4 feet at 7 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 2.4 kt at 06:10 pm thursday and 3.1 kt at 06:20 am friday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 4 feet at 7 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 2.4 kt at 06:10 PM Thursday and 3.1 kt at 06:20 AM Friday.