Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic
Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >
Hazardous Weather Conditions
Last Update: 254 AM PDT Tue Jul 7 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
NW wind 10 to 15 kt, rising to 15 to 25 kt late. Seas 4 to 5 ft. Wave detail: NW 5 ft at 8 seconds and S 2 ft at 16 seconds.
Tonight
NW wind 15 to 25 kt. Seas 5 to 8 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 16 seconds.
Wed
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 15 seconds.
Wed Night
NW wind 15 to 25 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds.
Thu
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds and SW 3 ft at 10 seconds.
Thu Night
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 8 ft at 10 seconds and SW 2 ft at 14 seconds.
Fri
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: SW 3 ft at 8 seconds and NW 7 ft at 9 seconds.
Fri Night
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 7 ft at 9 seconds and SW 3 ft at 9 seconds.
Sat
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 6 ft at 9 seconds and SW 2 ft at 15 seconds.
Sat Night
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 5 to 8 ft. Wave detail: W 6 ft at 9 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 1.7 kt at 10:23 am tuesday and 2.5 kt at 11:16 pm 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 1.7 kt at 10:23 am tuesday and 2.5 kt at 11:16 pm tuesday.
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