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 >

Hazardous Weather Conditions

Small Craft Advisory until August 2, 05:00 AM PDT

Last Update: 238 PM PDT Sat Aug 1 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. Gusts up to 35 kt this evening. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.

Sun

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

Sun Night

NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds.

Mon

W wind 5 to 10 kt, backing to SW in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds.

Mon Night

W 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 5 ft. Wave detail: NW 4 ft at 9 seconds.

Wed

SW wind 5 to 10 kt. Seas 3 to 4 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 9 seconds.

Thu

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

Thu Night

W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 4 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 7 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 2.0 kt at 07:24 pm saturday and 2.9 kt at 07:20 am sunday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 5 to 7 ft at 7 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 2.0 kt at 07:24 PM Saturday and 2.9 kt at 07:20 AM Sunday.