A Significant Spring Storm Impacting the Central U.S. This Week
A significant late-season winter storm will bring an expanding area of heavy snow, sleet, and freezing rain to the Northern Plains and Upper Midwest. Further south, severe thunderstorms are expected from the southern Plains into the southern Great Lakes. A multi-day excessive rain and flooding event will impact the Ozarks into the Ohio Valley through Saturday. Read More >
Hazardous Weather Conditions
Last Update: 852 PM PDT Tue Apr 1 2025
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Tonight
NW wind 20 to 25 kt. Gusts up to 35 kt late this evening and early morning. Seas 9 to 12 ft. Wave detail: W 11 ft at 11 seconds and SW 2 ft at 17 seconds. A chance of showers with a slight chance of tstms early this evening, then a chance of rain late this evening.
Wed
NW wind 15 to 20 kt, rising to 20 to 25 kt in the afternoon. Seas 8 to 11 ft, subsiding to 6 to 9 ft in the afternoon. Wave detail: NW 10 ft at 11 seconds.
Wed Night
NW wind 20 to 25 kt. Seas 6 to 9 ft. Wave detail: NW 9 ft at 9 seconds.
Thu
NW wind 15 to 20 kt, easing to 10 to 15 kt in the afternoon. Seas 5 to 8 ft, subsiding to 4 to 6 ft in the afternoon. Wave detail: NW 7 ft at 9 seconds.
Thu Night
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 14 seconds.
Fri
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds.
Fri Night
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds.
Sat
NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 3 ft at 7 seconds.
Sat Night
NW wind 5 to 10 kt. Seas around 2 ft or less, then around 3 ft after midnight. Wave detail: W 2 ft at 6 seconds.
Sun
NW wind around 5 kt. Seas 3 to 5 ft. Wave detail: W 4 ft at 9 seconds.
Sun Night
W wind 5 to 10 kt. Seas 5 to 7 ft, building to 7 to 9 ft after midnight. Wave detail: S 3 ft at 5 seconds and W 8 ft at 17 seconds. A chance of rain in the evening.
winds and seas higher in and near tstms.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 ft at 14 seconds.
across the bar...mixed seas of 5 to 7 ft at 14 seconds. Maximum ebb current of 4.4 kt at 07:16 am wednesday and 1.2 kt at 08:51 pm wednesday.
winds and seas higher in and near tstms.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 4 to 6 ft at 14 seconds.
across the bar...mixed seas of 5 to 7 ft at 14 seconds. Maximum ebb current of 4.4 kt at 07:16 am wednesday and 1.2 kt at 08:51 pm wednesday.
Winds and seas higher in and near tstms. .....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 4 to 6 ft at 14 seconds. ACROSS THE BAR...Mixed seas of 5 to 7 ft at 14 seconds. Maximum ebb current of 4.4 kt at 07:16 AM Wednesday and 1.2 kt at 08:51 PM Wednesday.
Additional Forecasts and Information
RADAR & SATELLITE IMAGES
