Areas of Severe Thunderstorms and Excessive Rainfall Wednesday
Severe thunderstorms will be possible over parts of the northern Plains again Wednesday which could bring large hail, damaging winds, and possible tornadoes. Thunderstorms with heavy to excessive rainfall may produce flooding over parts of the southern and northern Plains Wednesday. Read More >
Hazardous Weather Conditions
Last Update: 828 PM PDT Tue Jun 2 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
NW wind 10 to 15 kt, rising to 15 to 20 kt late this evening and overnight. Seas 3 to 5 ft, building to 5 to 7 ft after midnight. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 16 seconds. Patchy dense fog late this evening.
Wed
NW wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds and SW 2 ft at 15 seconds.
Wed Night
NW wind 25 to 30 kt, easing to 20 to 25 kt after midnight. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds.
Thu
NW wind 15 to 20 kt, rising to 20 to 25 kt with gusts up to 35 kt in the afternoon. Seas 6 to 9 ft. Wave detail: NW 9 ft at 10 seconds.
Thu Night
NW wind 20 to 25 kt with gusts up to 35 kt. Seas 8 to 11 ft. Wave detail: NW 10 ft at 11 seconds.
Fri
NW wind 20 to 25 kt, rising to 25 to 30 kt in the afternoon. Seas 7 to 10 ft. Wave detail: NW 10 ft at 10 seconds and SW 2 ft at 18 seconds.
Fri Night
NW wind 25 to 30 kt with gusts up to 40 kt. Seas 9 to 12 ft. Wave detail: NW 11 ft at 10 seconds and SW 2 ft at 17 seconds.
Sat
NW wind 25 to 30 kt. Seas 7 to 10 ft. Wave detail: NW 10 ft at 10 seconds and SW 2 ft at 17 seconds.
Sat Night
NW wind 25 to 30 kt, easing to 20 to 25 kt after midnight. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.
Sun
NW wind 15 to 20 kt. Seas 7 to 9 ft, subsiding to 5 to 7 ft in the afternoon. Wave detail: NW 9 ft at 10 seconds.
Sun Night
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 5 to 7 ft. Wave detail: NW 6 ft at 9 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 feet 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 3.0 kt at 06:13 am wednesday and 0.9 kt at 08:10 pm wednesday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 feet 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 3.0 kt at 06:13 am wednesday and 0.9 kt at 08:10 pm wednesday.
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