Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Last Update: 851 PM PDT Wed Sep 9 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 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds and S 2 ft at 9 seconds.

Thu

W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds and SW 3 ft at 11 seconds.

Thu Night

NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and SW 4 ft at 10 seconds.

Fri

W wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 4 ft at 8 seconds and SW 4 ft at 10 seconds.

Fri Night

NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 6 ft at 8 seconds and SW 4 ft at 14 seconds.

Sat

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds.

Sat Night

NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.

Sun

NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds.

Sun Night

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds.

Mon

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

Mon Night

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

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

in the deep water channel...mixed seas of 3 to 5 ft at 9 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 2.9 kt at 04:23 am thursday and 2.9 kt at 04:53 pm thursday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 9 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 2.9 kt at 04:23 AM Thursday and 2.9 kt at 04:53 PM Thursday.