Severe Thunderstorms and Heavy Rainfall from the Lower Mississippi Valley to the Mid-Atlantic; Active Pattern Continues in Hawaii
Scattered severe thunderstorms are expected today from the ArkLaTex and Lower Mississippi Valley through the Ohio Valley and Mid-Atlantic. Thunderstorms may produce heavy to excessive rain that could pose a flooding threat today from east Texas into New York. A powerful kona storm will continue to impact Hawaii through Saturday, bringing heavy rainfall, strong winds, and severe thunderstorms. Read More >
Last Update: 300 AM PDT Wed Mar 11 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
N wind 10 to 15 kt, easing to 5 to 10 kt late this morning, then becoming NW 10 to 15 kt this afternoon. Seas 5 to 7 ft. Wave detail: NW 7 ft at 10 seconds.
Tonight
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds.
Thu
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds and SW 2 ft at 19 seconds.
Thu Night
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 18 seconds.
Fri
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 17 seconds.
Fri Night
NW wind 20 to 25 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.
Sat
NW wind 20 to 25 kt, easing to 15 to 20 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.
Sat Night
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 14 seconds.
Sun
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds and SW 2 ft at 14 seconds.
Sun Night
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 5 ft at 8 seconds and SW 2 ft at 13 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 feet at 9 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 1.6 kt at 10:05 am wednesday and 0.7 kt at 12:25 am thursday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 feet at 9 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 1.6 kt at 10:05 am wednesday and 0.7 kt at 12:25 am thursday.
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