Areas of Severe Thunderstorms and Heat This Weekend

Severe thunderstorms today may produce damaging winds, large hail, tornadoes, and flooding over parts of the Plains into the Missouri Valley. On Sunday, scattered severe thunderstorms capable of damaging wind gusts are expected across the Mid-Atlantic vicinity. Hazardous heat will continue in the South, Southwest and central California this weekend building across the Pacific Northwest Sunday. Read More >

Last Update: 401 AM EDT Sat Jun 13 2026

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Philadelphia, PA Local Forecast Office

15NM E Lewes DE

Marine Zone Forecast

Today

NW winds 5 to 10 kt, becoming W early this afternoon, then becoming SW around 5 kt late. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds and NW 1 foot at 3 seconds.

Tonight

SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 6 seconds and NW 1 foot at 3 seconds.

Sun

S winds 10 to 15 kt, increasing to 15 to 20 kt with gusts up to 25 kt in the afternoon. Seas 2 to 3 ft. Wave detail: S 3 ft at 4 seconds and E 1 foot at 9 seconds.

Sun Night

S winds 15 to 20 kt, becoming SW 10 to 15 kt after midnight. Seas 2 to 4 ft. Wave detail: S 4 ft at 6 seconds and E 1 foot at 9 seconds. Showers likely with a chance of tstms.

Mon

NW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave detail: S 3 ft at 7 seconds and W 2 ft at 3 seconds.

Mon Night

W winds around 5 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 7 seconds and NW 1 foot at 4 seconds.

Tue

NE winds around 5 kt, becoming S in the afternoon. Seas 2 to 3 ft.

Tue Night

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

Wed

S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 3 ft.

Wed Night

S winds 10 to 15 kt. Seas 2 to 4 ft.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.