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 >
Last Update: 240 AM PDT Sun Aug 23 2026
For More Weather Information:
12NM SW San Francisco CA
Marine Zone Forecast
Today
NW wind 10 to 15 kt, becoming W 5 to 10 kt late this morning and early afternoon, rising to 10 to 15 kt late. Seas 3 to 5 ft. Wave detail: NW 4 ft at 8 seconds. Patchy dense fog early this morning.
Tonight
NW wind 10 to 15 kt, becoming W 5 to 10 kt after midnight. Seas 3 to 4 ft. Wave detail: NW 4 ft at 8 seconds. Patchy dense fog in the evening.
Mon
NW wind 5 to 10 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 8 seconds and S 2 ft at 15 seconds.
Mon Night
NW wind 10 to 15 kt, easing to 5 to 10 kt after midnight. Seas around 3 ft. Wave detail: NW 3 ft at 6 seconds.
Tue
NW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon. Seas around 3 ft. Wave detail: NW 3 ft at 6 seconds and S 2 ft at 14 seconds.
Tue Night
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 5 seconds and S 2 ft at 14 seconds.
Wed
NW wind 10 to 15 kt. Seas 3 to 4 ft. Wave detail: NW 3 ft at 6 seconds and S 2 ft at 14 seconds.
Wed Night
NW wind 10 to 15 kt. Seas 4 to 6 ft. Wave detail: NW 5 ft at 7 seconds and S 2 ft at 13 seconds.
Thu
NW wind 10 to 15 kt. Seas 4 to 5 ft. Wave detail: NW 4 ft at 7 seconds and S 2 ft at 13 seconds.
Thu Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: NW 6 ft at 8 seconds and S 2 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 1.1 kt at 02:18 pm sunday and 1.7 kt at 02:21 am monday.
.....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 1.1 kt at 02:18 pm sunday and 1.7 kt at 02:21 am monday.
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