Additional Severe Weather Concerns for the Center of the Nation; Heat Builds for the West; Critical Fire Weather for Alaska

Active hazardous weather continues for the center of the nation with more severe thunderstorms and heavy rainfall today. Heat will linger across the southern Plains, then expand westward early in the week. The combination of heat and dry conditions will fuel fire weather concerns for the Four Corners region and across interior Alaska. Read More >

Last Update: 832 AM EDT Sun Jun 21 2026

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING...

Today
W winds around 5 kt, increasing to 5 to 10 kt this afternoon. Seas around 2 ft. Wave detail: NW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Scattered showers this morning.
Tonight
W winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: W 1 foot at 3 seconds and SE 1 foot at 7 seconds, becoming NW 1 foot at 3 seconds and SE 1 foot at 6 seconds.
Mon
SE winds 10 to 15 kt, becoming S in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 6 seconds. A chance of showers and tstms in the afternoon.
Mon Night
S winds 15 to 20 kt with gusts up to 30 kt, becoming SW 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave detail: S 4 ft at 5 seconds. A chance of tstms. Showers.
Tue
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 6 seconds. Showers likely.
Tue Night
N winds 5 to 10 kt. Seas around 2 ft. Wave detail: NW 1 foot at 2 seconds and SE 1 foot at 6 seconds. A chance of showers in the evening.
Wed
N winds 5 to 10 kt, becoming W in the afternoon. Seas around 2 ft.
Wed Night
S winds 5 to 10 kt. Seas around 2 ft.
Thu
S winds around 5 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft.
Thu Night
S winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers after midnight.

winds and seas higher in and near tstms.



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832 AM EDT Sun Jun 21 2026
 
 

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