Areas of Extreme Heat and Excessive Rainfall Potential

Dangerous and extreme heat will remain across portions of the central U.S. this week, persisting across the mid to lower Mississippi Valley, Gulf Coast, southern Plains and portions of Texas. A heat wave over the Southwest U.S. will peak this weekend. Heavy to excessive rainfall may produce flash flooding from the Delmarva Peninsula north into the Hudson Valley today and tonight. Read More >

Hazardous Weather Conditions

Small Craft Advisory until July 30, 03:00 PM PDT

Last Update: 222 PM PDT Tue Jul 28 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 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 7 ft at 8 seconds and SW 2 ft at 17 seconds.

Wed

NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 17 seconds.

Wed Night

NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 16 seconds.

Thu

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and S 2 ft at 15 seconds.

Thu Night

NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 7 ft at 9 seconds and S 2 ft at 15 seconds.

Fri

NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 3 ft at 14 seconds.

Fri Night

NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 6 ft at 9 seconds and S 3 ft at 14 seconds.

Sat

NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and S 3 ft at 13 seconds.

Sat Night

NW wind 20 to 25 kt. Seas 8 to 11 ft. Wave detail: NW 9 ft at 10 seconds and S 2 ft at 13 seconds.

Sun

NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds and S 2 ft at 12 seconds.

Sun Night

NW wind 15 to 20 kt. Seas 6 to 9 ft.

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

in the deep water channel...mixed seas of 4 to 6 ft at 22 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 1.3 kt at 04:56 pm tuesday and 2.6 kt at 04:50 am wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 ft at 22 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 1.3 kt at 04:56 PM Tuesday and 2.6 kt at 04:50 AM Wednesday.