Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Last Update: 836 PM PDT Mon Sep 14 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 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.

Tue

NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave detail: W 6 ft at 9 seconds.

Tue Night

W wind 5 to 10 kt, rising to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds.

Wed

W wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 9 seconds.

Wed Night

W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds.

Thu

SW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 17 seconds.

Thu Night

NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 16 seconds. Patchy fog after midnight.

Fri

NW wind around 5 kt, rising to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 9 seconds and SW 2 ft at 15 seconds.

Fri Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and S 2 ft at 14 seconds.

Sat

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 4 ft at 7 seconds.

Sat Night

NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 8 seconds.

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

in the deep water channel...mixed seas of 3 to 5 ft at 6 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 08:19 am tuesday and 3.1 kt at 07:48 pm tuesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 6 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 08:19 AM Tuesday and 3.1 kt at 07:48 PM Tuesday.