Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across much of northeast Texas into the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Saturday could bring areas of flooding across parts of the central Plains into the upper Midwest/Great Lakes, and Four Corners states. Read More >

Last Update: 210 PM PDT Thu Sep 17 2026

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12NM SW San Francisco CA

Marine Zone Forecast


Tonight
NW wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 16 seconds.
Fri
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 9 seconds and SW 2 ft at 15 seconds.
Fri Night
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.
Sat
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds.
Sat Night
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.
Sun
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: NW 5 ft at 8 seconds.
Sun Night
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 18 seconds.
Mon
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 8 seconds and SW 2 ft at 17 seconds.
Mon Night
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 17 seconds.
Tue
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and S 2 ft at 17 seconds.
Tue Night
NW wind 10 to 15 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 10 seconds and SW 2 ft at 16 seconds.

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

in the deep water channel...mixed seas of 2 to 4 ft at 8 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 08:53 pm thursday and 0.8 kt at 11:08 am friday.




.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 8 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 08:53 PM Thursday and 0.8 kt at 11:08 AM Friday.
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210 PM PDT Thu Sep 17 2026
 
 

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