Spring Severe Thunderstorms, Excessive Rainfall, and Heavy Snow Today

Scattered severe thunderstorms are expected this afternoon and evening from eastern Texas into the lower Mississippi and Tennessee Valleys/southern Appalachians. Heavy to excessive rainfall may produce flash flooding from the lower Mississippi River Valley into the southern Appalachians today. A late-season snowstorm will continue heavy snow over parts of the central Rockies through today. Read More >

Last Update: 245 AM PDT Wed May 6 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Rest Of Tonight

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds.

Wed

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave detail: W 3 ft at 6 seconds.

Wed Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 6 seconds.

Thu

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds.

Thu Night

NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.

Fri

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds.

Fri Night

NW wind 20 to 25 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 8 seconds.

Sat

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds.

Sat Night

NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.

Sun

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds.

Sun Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 7 ft at 9 seconds.

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

in the deep water channel...mixed seas of 2 to 3 feet at 13 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 2.8 kt at 07:06 am wednesday and 0.7 kt at 09:33 pm wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 3 feet at 13 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 2.8 kt at 07:06 AM Wednesday and 0.7 kt at 09:33 PM Wednesday.