
Dangerous Heat over the South-Central and Southwest U.S. Through Next Week
Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >
Hazardous Weather Conditions
Last Update: 908 AM PDT Sat Aug 22 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
NW wind 15 to 20 kt, easing to 10 to 15 kt late this morning, rising to 15 to 20 kt this afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 6 seconds.
Tonight
NW wind 15 to 20 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.
Sun
NW wind 10 to 15 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds.
Sun Night
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds.
Mon
W wind around 5 kt. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds.
Mon Night
NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 8 seconds.
Tue
NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: NW 3 ft at 7 seconds.
Tue Night
NW wind 10 to 15 kt. Seas around 3 ft. Wave detail: NW 3 ft at 5 seconds and SW 2 ft at 13 seconds.
Wed
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 6 seconds and S 2 ft at 15 seconds.
Wed Night
NW wind 10 to 15 kt. Seas 3 to 4 ft, building to 4 to 6 ft after midnight. Wave detail: W 4 ft at 7 seconds and SW 3 ft at 13 seconds.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 ft at 12 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 0.9 kt at 01:29 pm saturday and 1.6 kt at 01:27 am sunday.
.....san francisco bar/fourfathom bank forecast.....
in the deep water channel...mixed seas of 2 to 4 ft at 12 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 0.9 kt at 01:29 pm saturday and 1.6 kt at 01:27 am sunday.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Mixed seas of 2 to 4 ft at 12 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 0.9 kt at 01:29 PM Saturday and 1.6 kt at 01:27 AM Sunday.
Additional Forecasts and Information
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