Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West
Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >
Hazardous Weather Conditions
Last Update: 847 AM PDT Mon Jul 6 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 9 seconds and SW 2 ft at 16 seconds.
Tonight
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds and SW 2 ft at 16 seconds.
Tue
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 8 seconds and S 2 ft at 16 seconds.
Tue Night
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 16 seconds.
Wed
NW wind 15 to 20 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and SW 2 ft at 17 seconds.
Wed Night
NW wind 15 to 20 kt. Seas 5 to 7 ft, building to 6 to 9 ft after midnight. Wave detail: NW 7 ft at 10 seconds.
Thu
NW wind 15 to 20 kt. Seas 6 to 9 ft. Wave detail: NW 8 ft at 9 seconds and SW 2 ft at 16 seconds.
Thu Night
NW wind 15 to 20 kt. Seas 7 to 10 ft. Wave detail: NW 8 ft at 10 seconds.
Fri
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.
Fri Night
NW wind 15 to 20 kt. Seas 5 to 8 ft. Wave detail: NW 7 ft at 9 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft at 13 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 2.2 kt at 09:15 am monday and 2.0 kt at 10:28 pm monday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 3 to 5 ft at 13 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 2.2 kt at 09:15 am monday and 2.0 kt at 10:28 pm monday.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaRADAR & SATELLITE IMAGES
