Severe Thunderstorms and Excessive Rainfall in the Central U.S.; Heat Building in the Western U.S.

A cold front pressing east across the central U.S. will be the focus for areas of strong to severe thunderstorms and excessive rainfall through this weekend. Strong to severe thunderstorms my bring damaging winds, hail, and a few tornadoes while excessive rainfall may lead to areas of flooding. Heat will build across the western U.S. with heat-related watches, warnings, and advisories issued. Read More >

Last Update: 402 AM EDT Sat Jul 12 2025

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Philadelphia, PA Local Forecast Office

15NM E Lewes DE

Marine Zone Forecast

Today

E winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 7 seconds. A chance of drizzle this morning. Areas of fog this morning with vsby 1 to 3 nm.

Tonight

E winds around 10 kt, becoming SE after midnight. Seas around 2 ft. Wave detail: SE 2 ft at 7 seconds. A chance of drizzle. Areas of fog. Vsby 1 to 3 nm.

Sun

E winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 1 foot at 7 seconds and SE 1 foot at 10 seconds.

Sun Night

SE winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 1 foot at 6 seconds and SE 1 foot at 10 seconds.

Mon

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: SE 2 ft at 6 seconds and SE 1 foot at 9 seconds. A chance of showers. A chance of tstms in the afternoon.

Mon Night

SW winds around 5 kt. Seas around 2 ft. Wave detail: SE 2 ft at 5 seconds and SE 1 foot at 9 seconds. A chance of showers and tstms.

Tue

S winds around 5 kt. Seas around 2 ft. A chance of showers and tstms in the morning.

Tue Night

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

Wed

S winds around 5 kt, increasing to around 10 kt in the afternoon. Seas 2 to 3 ft.

Wed Night

S winds around 10 kt. Seas 2 to 4 ft.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.