Severe Thunderstorms and Heat Impact July 4th Weekend

A threat for severe thunderstorms will impact the July 4th weekend, bringing the potential for damaging wind gusts and localized flash flooding through Sunday. Hazardous heat continues into Sunday as well. Read More >

Last Update: 401 AM EDT Sun Jul 5 2026

View Nearby Observations

For More Weather Information:

Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

Today

SE winds 5 to 10 kt, increasing to 10 to 15 kt late. Seas 1 foot or less, then around 2 ft this afternoon. Wave detail: S 1 foot at 4 seconds, becoming SE 1 foot at 4 seconds. A slight chance of showers and tstms late.

Tonight

SE winds 10 to 15 kt, becoming E 5 to 10 kt after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 3 seconds. A chance of showers and tstms in the evening, then a chance of showers after midnight.

Mon

SE winds 5 to 10 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave detail: SE 1 foot at 4 seconds, becoming SE 1 foot at 5 seconds. Showers likely in the morning, then a chance of showers and tstms in the afternoon.

Mon Night

E winds 5 to 10 kt. Seas 1 foot or less. Wave detail: E 1 foot at 3 seconds. A chance of tstms. Showers.

Tue

NE winds 5 to 10 kt. Seas 1 foot or less. Wave detail: E 1 foot at 5 seconds. Showers in the morning, then showers likely with a chance of tstms in the afternoon.

Tue Night

NE winds 10 to 15 kt. Seas around 2 ft. Wave detail: E 1 foot at 4 seconds. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.

Wed

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

Wed Night

SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft.

Thu

S winds around 5 kt, increasing to 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, becoming SW 5 to 10 kt after midnight. Seas around 2 ft.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.