Heat Wave Persists Over the Central U.S.; Significant Flooding Expected in the Northern Mid-Atlantic Tuesday

Dangerous and extreme heat will remain across portions of the Central U.S. this week, persisting across the Mid to Lower Mississippi Valleys, Gulf Coast, Southern Plains and portions of Texas. A heat wave over the Southwest will intensify late this week. Severe thunderstorms and flash flooding will spread from the Great Lakes/Ohio Valley to the Mid-Atlantic and Northeast the next few days. Read More >

Last Update: 836 PM PDT Mon Jul 27 2026

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12NM N San Francisco CA

Marine Zone Forecast


Tonight
SW wind 10 to 15 kt, easing to 5 to 10 kt late.
Tue
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Tue Night
SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight.
Wed
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Wed Night
SW wind 10 to 15 kt.
Thu
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Thu Night
SW wind 10 to 15 kt, easing to 5 to 10 kt after midnight.
Fri
SW wind 5 to 10 kt.
Fri Night
SW wind 5 to 10 kt.
Sat
SW wind 5 to 10 kt, rising to 10 to 15 kt in the afternoon.
Sat Night
SW wind 5 to 10 kt, rising to 10 to 15 kt after midnight.



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836 PM PDT Mon Jul 27 2026
 
 

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