Multiple Days of Severe Weather from Thunderstorms and Wildfires

Active spring pattern across the center of the nation with several rounds of severe thunderstorms in the forecast through the weekend. The regions under the greatest threats are the southern Plains into the Mississippi Valley. Meanwhile, dry and breezy conditions with dry fuels are aiding in wildfires across the western High Plains and the Southeast. Wind and some snow for northern Rockies. Read More >

Last Update: 256 PM PDT Thu Apr 23 2026

View Nearby Observations

12NM SW San Francisco CA

Marine Zone Forecast


Tonight
NW wind 10 to 15 kt. Seas 7 to 8 ft. Wave detail: NW 8 ft at 8 seconds and S 3 ft at 16 seconds.
Fri
W wind 5 to 10 kt. Seas 5 to 6 ft. Wave detail: NW 6 ft at 8 seconds and S 2 ft at 15 seconds.
Fri Night
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 15 seconds. A slight chance of rain after midnight.
Sat
W wind 5 to 10 kt. Seas 4 to 5 ft. Wave detail: W 5 ft at 7 seconds and S 2 ft at 14 seconds. A slight chance of rain.
Sat Night
W wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 4 to 5 ft. Wave detail: W 5 ft at 7 seconds and SW 2 ft at 14 seconds. A slight chance of rain.
Sun
W wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: W 5 ft at 7 seconds and SW 2 ft at 14 seconds. A chance of rain in the morning.
Sun Night
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 7 seconds.
Mon
NW wind around 5 kt, backing to W in the afternoon. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds.
Mon Night
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 12 seconds.
Tue
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 7 seconds.
Tue Night
NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 4 ft at 7 seconds.

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

in the deep water channel...mixed seas of 5 to 7 feet at 13 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 1.2 kt at 11:17 pm thursday and 2.2 kt at 10:23 am friday.



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256 PM PDT Thu Apr 23 2026
 
 

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