Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South
Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >
Hazardous Weather Conditions
Last Update: 233 PM PDT Sat May 17 2025
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
This Afternoon
NW wind 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds.
Tonight
NW wind 25 to 30 kt with gusts up to 45 kt. Seas 7 to 10 ft. Wave detail: NW 9 ft at 9 seconds.
Sun
NW wind 20 to 25 kt with gusts up to 35 kt, rising to 25 to 30 kt with gusts up to 50 kt in the afternoon. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.
Sun Night
NW wind 25 to 30 kt with gusts up to 50 kt. Seas 8 to 11 ft. Wave detail: NW 10 ft at 9 seconds.
Mon
NW wind 20 to 25 kt with gusts up to 40 kt. Seas 6 to 9 ft, subsiding to 5 to 7 ft in the afternoon. Wave detail: NW 9 ft at 9 seconds.
Mon Night
NW wind 25 to 30 kt, easing to 20 to 25 kt after midnight. Gusts up to 45 kt. Seas 7 to 9 ft. Wave detail: NW 9 ft at 8 seconds.
Tue
NW wind 20 to 25 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds.
Tue Night
NW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Seas 7 to 10 ft. Wave detail: NW 9 ft at 10 seconds.
Wed
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 6 to 9 ft. Wave detail: NW 8 ft at 10 seconds.
Wed Night
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 5 feet at 12 seconds.
across the bar...mixed seas 5 to 6 feet at 12 seconds. Maximum ebb current of 0.7 kt at 09:35 pm saturday and 2.8 kt at 08:02 am sunday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 5 feet at 12 seconds.
across the bar...mixed seas 5 to 6 feet at 12 seconds. Maximum ebb current of 0.7 kt at 09:35 pm saturday and 2.8 kt at 08:02 am sunday.
Additional Forecasts and Information
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