Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Last Update: 401 AM EDT Sun Aug 2 2026

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast

Today

SE winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds. A slight chance of showers late this morning. A chance of showers and tstms this afternoon.

Tonight

S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave detail: SE 3 ft at 5 seconds. A chance of showers and tstms in the evening, then showers with a chance of tstms after midnight.

Mon

S winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave detail: SE 3 ft at 7 seconds. Showers likely in the morning, then a chance of showers and tstms in the afternoon.

Mon Night

SW winds 5 to 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave detail: S 3 ft at 7 seconds. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.

Tue

NE winds 5 to 10 kt, becoming SE in the afternoon. Seas around 2 ft. Wave detail: SE 2 ft at 7 seconds.

Tue Night

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

Wed

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

Wed Night

S winds around 10 kt. Seas around 2 ft.

Thu

SW winds 5 to 10 kt. Seas around 2 ft. A chance of showers in the afternoon.

Thu Night

S winds 10 to 15 kt. Seas around 2 ft. A chance of showers.

winds and seas higher in and near tstms.