Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Tuesday

In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding Tuesday. Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota Tuesday afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. Extreme heat returns to the southwest U.S. Read More >

Last Update: 840 PM EDT Mon Jul 6 2026

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Philadelphia, PA Local Forecast Office

23NM E Fenwick Island Buoy DE

Marine Zone Forecast

Tonight

SE winds 5 to 10 kt. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds and NE 1 foot at 4 seconds. A chance of showers and tstms until early morning, then a chance of showers with a slight chance of tstms late. Patchy dense fog after midnight with vsby 1 nm or less.

Tue

SW winds 5 to 10 kt, becoming W in the afternoon. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and NE 2 ft at 6 seconds. A chance of showers in the morning. Patchy dense fog in the morning with vsby 1 nm or less.

Tue Night

NE winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave detail: NE 3 ft at 6 seconds and S 2 ft at 5 seconds. A chance of showers.

Wed

NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 3 to 4 ft. Wave detail: NE 3 ft at 5 seconds and S 2 ft at 6 seconds. A chance of showers in the morning.

Wed Night

E winds around 5 kt, becoming S after midnight. Seas 3 to 4 ft. Wave detail: NE 3 ft at 6 seconds and S 2 ft at 6 seconds.

Thu

S winds 5 to 10 kt. Seas around 3 ft. Wave detail: NE 3 ft at 7 seconds and S 2 ft at 6 seconds.

Thu Night

SW winds around 10 kt. Seas 3 to 4 ft. A chance of showers and tstms.

Fri

SW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers in the morning.

Fri Night

W winds 5 to 10 kt. Seas 2 to 3 ft.

Sat

NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers in the morning.