Last Update: 402 PM EDT Sat Apr 18 2026

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Philadelphia, PA Local Forecast Office

35NM NNW Lewes DE

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY AFTERNOON...

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



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402 PM EDT Sat Apr 18 2026
 
 

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