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: 907 AM PDT Fri Aug 21 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds.
Tonight
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 5 seconds.
Sat
NW wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 6 seconds.
Sat Night
NW wind 15 to 20 kt, easing to 10 to 15 kt after midnight. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds.
Sun
NW wind 10 to 15 kt, easing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Wave detail: W 4 ft at 8 seconds.
Sun Night
NW wind 5 to 10 kt. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds.
Mon
W wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 4 ft at 8 seconds.
Mon Night
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: W 3 ft at 7 seconds.
Tue
NW wind 5 to 10 kt. Seas around 3 ft. Wave detail: W 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.
.....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 0.8 kt at 12:32 pm friday and 1.6 kt at 12:19 am saturday.
.....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 0.8 kt at 12:32 pm friday and 1.6 kt at 12:19 am saturday.
.....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 0.8 kt at 12:32 PM Friday and 1.6 kt at 12:19 AM Saturday.
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