Hot in Parts of the West; Cold Blast Coming to the Central U.S.

Hot to extremely hot temperatures are in place much of this week across parts of California and the interior Northwest U.S. A blast of cold air will drop across the central and eastern U.S. later this week bringing below to well below normal temperatures. Read More >

Last Update: 401 PM EDT Sun Aug 31 2025

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Philadelphia, PA Local Forecast Office

35NM NNW Lewes DE

Marine Zone Forecast

Tonight

E winds 5 to 10 kt, becoming NE after midnight. Seas 1 foot or less. Wave detail: E 1 foot at 2 seconds.

Mon

NE winds 5 to 10 kt, becoming E 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon. Wave detail: NE 1 foot at 2 seconds, becoming E 1 foot at 3 seconds.

Mon Night

E winds 10 to 15 kt, becoming NE 5 to 10 kt after midnight. Seas around 2 ft in the evening, then 1 foot or less. Wave detail: E 1 foot at 3 seconds, becoming NE 1 foot at 3 seconds.

Tue

NE winds 5 to 10 kt, becoming E in the afternoon. Seas 1 foot or less. Wave detail: NE 1 foot at 2 seconds.

Tue Night

SE winds 5 to 10 kt, becoming SW after midnight. Seas 1 foot or less. Wave detail: SE 1 foot at 3 seconds and SE 1 foot at 8 seconds.

Wed

SW winds around 5 kt, becoming S in the afternoon. Seas 1 foot or less. Wave detail: SE 1 foot at 4 seconds.

Wed Night

S winds 5 to 10 kt. Seas around 2 ft.

Thu

S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 1 foot or less, then around 2 ft in the afternoon.

Thu Night

S winds 10 to 15 kt. Seas around 2 ft. A chance of showers.