Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Last Update: 222 AM PDT Tue Sep 22 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 10 to 15 kt, easing to 5 to 10 kt late this morning, rising to 10 to 15 kt this afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 16 seconds. Patchy dense fog early this morning.

Tonight

NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and S 2 ft at 16 seconds. Patchy dense fog after midnight.

Wed

NW wind 5 to 10 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and SW 2 ft at 15 seconds.

Wed Night

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

Thu

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 Night

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

Fri

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. 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 6 to 8 ft. Wave detail: NW 8 ft at 9 seconds and S 2 ft at 12 seconds.

Sat

NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave detail: NW 7 ft at 9 seconds and S 2 ft at 12 seconds.

Sat 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 13 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft at 16 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 1.6 kt at 02:36 pm tuesday and 1.8 kt at 02:42 am wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 16 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 1.6 kt at 02:36 PM Tuesday and 1.8 kt at 02:42 AM Wednesday.