Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Last Update: 611 PM EDT Wed Jun 18 2025

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast


Tonight
SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: SW 1 foot at 4 seconds. A chance of showers and tstms early this evening.
Thu
SW winds 10 to 15 kt. Seas around 2 ft. Wave detail: SW 2 ft at 3 seconds.
Thu Night
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave detail: SW 2 ft at 3 seconds. A chance of showers and tstms in the evening, then a chance of showers after midnight.
Fri
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas around 2 ft. Wave detail: W 2 ft at 3 seconds.
Fri Night
SW winds 5 to 10 kt. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: W 1 foot at 4 seconds, becoming W 1 foot at 3 seconds.
Sat
SW winds 5 to 10 kt. Seas 1 foot or less. Wave detail: W 1 foot at 4 seconds.
Sat Night
S winds around 10 kt. Seas around 2 ft.
Sun
SW winds around 10 kt. Seas around 2 ft.
Sun Night
SW winds 5 to 10 kt. Seas around 2 ft.
Mon
NW winds around 5 kt, becoming S in the afternoon. Seas around 2 ft.
Mon Night
S winds 5 to 10 kt, becoming SW after midnight. Seas 1 to 2 ft.

winds and seas higher in and near tstms.




Winds and seas higher in and near tstms.
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611 PM EDT Wed Jun 18 2025
 
 

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