Heavy Rain and Flooding Possible in the Southwest U.S, Ohio Valley, and Hawaii

Heavy rainfall is expected to continue through Thursday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. Heavy rain and flash flooding is also expected over the southern Appalachians and Ohio Valley. Tropical Depression 15-E, southeast of Hawaii, is expected to bring heavy rain beginning today to the Big Island and Maui. Read More >

Last Update: 453 AM PDT Wed Sep 23 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

NW wind 5 to 10 kt, easing to around 5 kt late this morning, rising to 5 to 10 kt early this afternoon, rising to 10 to 15 kt late. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds.

Tonight

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

Thu

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

Thu Night

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 14 seconds.

Fri

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 4 to 5 ft, building to 5 to 7 ft in the afternoon. Wave detail: NW 6 ft at 10 seconds and S 2 ft at 13 seconds.

Fri Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and S 2 ft at 13 seconds.

Sat

NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 9 seconds and S 2 ft at 12 seconds.

Sat Night

NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 13 seconds.

Sun

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 14 seconds.

Sun Night

NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 3 ft at 15 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft 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 1.9 kt at 03:14 pm wednesday and 2.1 kt at 03:22 am thursday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft 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 1.9 kt at 03:14 PM Wednesday and 2.1 kt at 03:22 AM Thursday.