Last Update: 301 AM PDT Mon Oct 19 2026

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12NM SW San Francisco CA

Marine Zone Forecast


Today
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 5 ft at 12 seconds and SW 4 ft at 16 seconds.
Tonight
NW wind 5 to 10 kt, becoming W after midnight. Seas 4 to 5 ft. Wave detail: NW 5 ft at 11 seconds and SW 3 ft at 16 seconds.
Tue
SE wind around 5 kt, veering to SW in the afternoon. Seas 4 to 6 ft. Wave detail: NW 5 ft at 13 seconds and S 3 ft at 15 seconds.
Tue Night
N wind around 5 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 13 seconds and S 2 ft at 15 seconds. A chance of showers in the evening, then showers likely after midnight.
Wed
SE wind around 5 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 11 seconds and S 2 ft at 14 seconds. Showers likely, mainly in the morning.
Wed Night
NW wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 10 seconds and S 2 ft at 14 seconds. A chance of showers in the evening.
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 10 seconds and S 2 ft at 15 seconds.
Thu Night
NW wind 15 to 20 kt. Seas 4 to 5 ft, building to 5 to 7 ft after midnight. Wave detail: NW 6 ft at 8 seconds.
Fri
N wind 10 to 15 kt, becoming NW 5 to 10 kt in the afternoon. Seas 5 to 7 ft. Wave detail: W 6 ft at 9 seconds and SW 4 ft at 14 seconds.
Fri Night
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 5 to 7 ft. Wave detail: W 6 ft at 10 seconds and S 4 ft at 14 seconds.

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

in the deep water channel...mixed seas of 4 to 6 ft at 17 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 1.0 kt at 12:35 pm monday and 1.3 kt at 12:13 am tuesday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 ft at 17 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 1.0 kt at 12:35 PM Monday and 1.3 kt at 12:13 AM Tuesday.
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301 AM PDT Mon Oct 19 2026
 
 

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