Winter Weather Brings Dangerous Travel Conditions Across the Northern U.S.

Heavy lake effect snow will persist downwind of the Great Lakes through early Saturday. Snow squalls with heavy snow and gusty winds will create dangerous travel in the Interior Northeast due to low visibility and slippery roads. A major winter storm will bring moderate to heavy, accumulating snow and gusty winds from the eastern Plains to the western Great Lakes today through Saturday. Read More >

Last Update: 650 AM EST Sat Nov 29 2025

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING...

Today
NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to around 5 kt. Seas 2 to 3 ft. Wave detail: NW 3 ft at 4 seconds.
Tonight
S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: NW 1 foot at 3 seconds.
Sun
S winds 10 to 15 kt, becoming SW 15 to 20 kt in the afternoon. Seas 1 to 2 ft, building to 2 to 3 ft in the afternoon. Wave detail: S 2 ft at 3 seconds, becoming S 2 ft at 4 seconds. A chance of rain in the morning, then rain likely in the afternoon.
Sun Night
W winds 15 to 20 kt, becoming NW 20 to 25 kt after midnight. Seas 2 to 3 ft. Wave detail: W 3 ft at 4 seconds. A chance of rain in the evening.
Mon
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Gusts up to 30 kt. Seas 2 to 3 ft. Wave detail: NW 3 ft at 4 seconds.
Mon Night
NE winds 5 to 10 kt, becoming SE after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: NW 2 ft at 4 seconds, becoming NW 1 foot at 3 seconds.
Tue
E winds 10 to 15 kt, becoming NE 15 to 20 kt in the afternoon. Seas 2 to 3 ft. Rain.
Tue Night
NW winds 20 to 25 kt. Seas 3 to 5 ft. Rain likely in the evening.
Wed
NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft.
Wed Night
W winds 5 to 10 kt. Seas 2 to 3 ft.



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650 AM EST Sat Nov 29 2025
 
 

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