Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Last Update: 401 PM EDT Mon Aug 3 2026

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Philadelphia, PA Local Forecast Office

35NM NNW Lewes DE

Marine Zone Forecast

Tonight

SW winds around 5 kt, becoming N late this evening and early morning, then becoming NE late. Seas around 2 ft. Wave detail: SE 2 ft at 8 seconds. A chance of showers and tstms early this evening.

Tue

NE winds 5 to 10 kt, becoming E in the afternoon. Seas around 2 ft. Wave detail: NE 1 foot at 2 seconds and SE 1 foot at 7 seconds.

Tue Night

E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 7 seconds.

Wed

SE winds 5 to 10 kt. Seas 1 foot or less. Wave detail: SE 1 foot at 2 seconds and SE 1 foot at 7 seconds. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.

Wed Night

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 1 foot at 3 seconds and SE 1 foot at 6 seconds. Showers likely with a chance of tstms in the evening.

Thu

S winds 5 to 10 kt. Seas 1 foot or less. Wave detail: S 1 foot at 3 seconds and SE 1 foot at 6 seconds.

Thu Night

S winds around 10 kt. Seas around 2 ft.

Fri

SW winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less.

Fri Night

SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms.

Sat

SW winds 5 to 10 kt. Seas 1 foot or less. A chance of showers and tstms in the afternoon.

Sat Night

SW winds around 5 kt. Seas 1 foot or less. A chance of tstms in the evening. A chance of showers.

winds and seas higher in and near tstms.