Fire Weather Concerns and Severe Weather

Dry and breezy conditions will bring elevated to critical fire weather conditions across portions of the northern and central High Plains through this weekend, where fuels remain largely receptive. Severe thunderstorms and heavy rainfall are possible from the Plains into the Upper Midwest, as well as in the Ohio Valley and portions of the Mid-Atlantic through this weekend. Read More >

Hazardous Weather Conditions

Small Craft Advisory until September 14, 03:00 AM PDT

Last Update: 848 PM PDT Sat Sep 12 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 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and SW 2 ft at 14 seconds.

Sun

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 5 ft. Wave detail: NW 4 ft at 6 seconds and SW 2 ft at 14 seconds.

Sun Night

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

Mon

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

Mon Night

NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 14 seconds.

Tue

NW wind 10 to 15 kt, becoming W around 5 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 16 seconds.

Tue Night

W wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds and SW 2 ft at 16 seconds.

Wed

W wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 9 seconds.

Wed Night

W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 15 seconds. Patchy fog after midnight.

Thu

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

Thu Night

W wind around 5 kt. Seas around 3 ft. Wave detail: NW 2 ft at 8 seconds and S 2 ft at 14 seconds. Patchy fog after midnight.

.....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 2.4 kt at 06:48 am sunday and 3.5 kt at 06:54 pm sunday.

.....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 2.4 kt at 06:48 AM Sunday and 3.5 kt at 06:54 PM Sunday.