
Widespread Thunderstorms and Showers in the Southeast and Northwest
Widespread showers and thunderstorms may produce isolate instances of flash flooding across the Ozarks and Southeast through Friday. Scattered severe storms and heavy rain is expected across the Northwest U.S.. Gusty winds and low relative humidity will contribute to elevated fire weather over a portion of the northern Plains with a secondary threat in the Great Basin. Read More >
Last Update: 823 PM PDT Wed May 27 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
W wind 5 to 10 kt, backing to S after midnight. Seas 5 to 8 ft. Wave detail: NW 7 ft at 11 seconds. A slight chance of rain early this evening. A chance of rain late this evening and early morning, then rain likely late.
Thu
SE wind 5 to 10 kt, veering to S in the afternoon. Seas 5 to 7 ft. Wave detail: W 6 ft at 10 seconds. A chance of rain in the morning.
Thu Night
W wind around 5 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 12 seconds.
Fri
W wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 13 seconds and SW 2 ft at 14 seconds.
Fri Night
NW wind 10 to 15 kt, rising to 15 to 20 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 10 seconds.
Sat
NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 6 ft at 9 seconds.
Sat Night
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 9 ft at 10 seconds.
Sun
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 11 seconds.
Sun Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 10 seconds.
Mon
NW wind 5 to 10 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 10 seconds.
Mon Night
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 9 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 6 to 8 feet at 11 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 3.5 kt at 03:16 am thursday and 1.2 kt at 03:25 pm thursday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 6 to 8 feet at 11 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 3.5 kt at 03:16 am thursday and 1.2 kt at 03:25 pm thursday.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 6 to 8 feet at 11 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 3.5 kt at 03:16 AM Thursday and 1.2 kt at 03:25 PM Thursday.
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