Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Last Update: 902 AM PDT Sun Aug 2 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Today

NW wind 10 to 15 kt, rising to 15 to 20 kt this afternoon. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds and S 2 ft at 13 seconds.

Tonight

NW wind 15 to 20 kt with gusts up to 35 kt, becoming W 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds.

Mon

SW wind 5 to 10 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds.

Mon Night

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

Tue

S wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 9 seconds.

Tue Night

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

Wed

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

Wed Night

SW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 9 seconds. Patchy fog after midnight.

Thu

SW wind around 5 kt. Seas around 3 ft. Wave detail: NW 3 ft at 8 seconds. Patchy fog in the morning.

Thu Night

W wind around 5 kt. Seas around 3 ft. Wave detail: NW 2 ft at 8 seconds and SW 2 ft at 13 seconds.

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

in the deep water channel...mixed seas of 5 to 7 ft at 10 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 2.3 kt at 07:56 pm sunday and 2.5 kt at 08:00 am monday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 5 to 7 ft at 10 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 2.3 kt at 07:56 PM Sunday and 2.5 kt at 08:00 AM Monday.