Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Last Update: 401 AM EDT Wed Aug 12 2026

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Philadelphia, PA Local Forecast Office

11NM NW Fenwick Island Buoy DE

Marine Zone Forecast

Today

N winds around 5 kt, becoming E late. Seas around 2 ft. Wave detail: NW 1 foot at 2 seconds and S 1 foot at 5 seconds. A chance of showers with a slight chance of tstms early this morning. A slight chance of showers late this morning and early afternoon. A slight chance of tstms early this afternoon.

Tonight

S winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 5 seconds and E 1 foot at 8 seconds.

Thu

SW winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 1 foot at 5 seconds and E 1 foot at 8 seconds.

Thu Night

SW winds around 5 kt. Seas around 2 ft. Wave detail: SE 1 foot at 8 seconds and E 1 foot at 13 seconds. A chance of showers after midnight.

Fri

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

Fri Night

NE winds around 5 kt, increasing to 10 to 15 kt after midnight. Seas around 2 ft. Wave detail: NE 1 foot at 2 seconds and S 1 foot at 6 seconds. A chance of showers in the evening.

Sat

NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft.

Sat Night

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

Sun

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

Sun Night

S winds 15 to 20 kt. Seas 3 to 5 ft. A chance of showers.

winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.