Severe Thunderstorms; Excessive Rainfall; Dangerous Heat; Air Quality Concerns and the Tropics

Wildfire smoke will push into the Midwest, worsening air quality. A frontal system brings severe storms from the Northern Plains to the Mid‑Atlantic the next few days. Heavy Gulf Coast rain is possible as Tropical Depression Two has formed, while monsoonal storms persist in the Southwest with heavy rainfall. Hazardous heat expands from the Plains into the Lower Mississippi Valley. Read More >

Last Update: 906 AM PDT Sun Jul 19 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 17 seconds. Patchy dense fog early this morning.

Tonight

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

Mon

SW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 12 seconds.

Mon Night

NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 12 seconds.

Tue

NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 12 seconds.

Tue Night

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 11 seconds.

Wed

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

Wed Night

NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds and S 2 ft at 12 seconds.

Thu

NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds and S 2 ft at 14 seconds.

Thu Night

NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds.

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

in the deep water channel...mixed seas of 3 to 5 ft at 15 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 2.6 kt at 08:58 am sunday and 2.3 kt at 09:48 pm sunday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 15 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 2.6 kt at 08:58 AM Sunday and 2.3 kt at 09:48 PM Sunday.