Severe Thunderstorm, Flooding, and Winter Weather Threats on Tuesday

Scattered severe thunderstorms are forecast Tuesday from the southern Plains into the southern Great Lakes vicinity. Thunderstorms may also produce heavy to excessive rain that could pose a flooding threat from central Texas into southern Oklahoma and northern Missouri into southern Michigan. A heavy wintry mix is forecast for the Great Lakes into northern Maine. Read More >

Hazardous Weather Conditions

Small Craft Advisory until March 11, 03:00 AM PDT

Last Update: 228 PM PDT Mon Mar 9 2026

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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

This Afternoon

NW wind 20 to 25 kt. Gusts up to 35 kt late. Seas 7 to 10 ft. Wave detail: NW 9 ft at 11 seconds.

Tonight

NW wind 25 to 30 kt with gusts up to 40 kt. Seas 8 to 11 ft. Wave detail: NW 10 ft at 11 seconds.

Tue

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

Tue Night

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

Wed

NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds.

Wed Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds.

Thu

N wind 5 to 10 kt, becoming NW 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 19 seconds.

Thu Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds.

Fri

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds.

Fri Night

NW wind 15 to 20 kt, rising to 20 to 25 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 16 seconds.

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

in the deep water channel...mixed seas of 6 to 8 feet at 8 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 0.8 kt at 10:26 pm monday and 1.9 kt at 09:14 am tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 6 to 8 feet at 8 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 0.8 kt at 10:26 PM Monday and 1.9 kt at 09:14 AM Tuesday.