Lowell to Impact Hawaii; Heat Persists in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai`s coastal waters tonight. Impacts such as high surf and heavy rain could impact all of the islands. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley into this week with limited nighttime relief. Periods of moderate to heavy rainfall will be possible through Tuesday morning in the northern Rockies. Read More >

Last Update: 243 AM PDT Tue Sep 8 2026

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San Francisco Bay Area/Monterey, CA Local Forecast Office

12NM SW San Francisco CA

Marine Zone Forecast

Rest Of Tonight

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

Tue

S wind around 5 kt, veering to W in the afternoon. Seas 3 to 5 ft. Wave detail: NW 3 ft at 8 seconds and S 3 ft at 12 seconds.

Tue Night

NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 2 ft at 7 seconds and S 3 ft at 11 seconds.

Wed

N wind around 5 kt, backing to NW in the afternoon. Seas 3 to 4 ft. Wave detail: NW 2 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 10 seconds.

Thu

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

Thu Night

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

Fri

NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 16 seconds.

Fri Night

NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 15 seconds.

Sat

NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 15 seconds.

Sat Night

NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds.

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

in the deep water channel...mixed seas of 3 to 5 ft at 12 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 2.1 kt at 03:12 pm tuesday and 2.8 kt at 03:26 am wednesday.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 3 to 5 ft at 12 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 2.1 kt at 03:12 PM Tuesday and 2.8 kt at 03:26 AM Wednesday.