Last Update: 252 AM PDT Sun Oct 18 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 6 ft at 11 seconds and SW 4 ft at 17 seconds.
Tonight
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 11 seconds and SW 3 ft at 16 seconds.
Mon
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 5 ft at 12 seconds and SW 4 ft at 15 seconds.
Mon Night
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 4 ft at 11 seconds and SW 3 ft at 15 seconds. A chance of showers.
Tue
SE wind around 5 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 13 seconds and SW 3 ft at 15 seconds. A chance of showers.
Tue Night
NW 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.
Wed
NE wind around 5 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 11 seconds and S 2 ft at 14 seconds. A chance of showers in the morning, then a chance of rain in the afternoon.
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 rain in the evening.
Thu
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 9 seconds and S 2 ft at 15 seconds.
Thu Night
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds and SW 2 ft at 15 seconds.

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

in the deep water channel...mixed seas of 2 to 4 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 0.8 kt at 11:40 am sunday and 1.3 kt at 10:13 pm sunday.



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252 AM PDT Sun Oct 18 2026
 
 

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