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 PM EDT Fri Jul 31 2026

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast

Tonight

S winds 10 to 15 kt with gusts up to 20 kt, becoming SW 5 to 10 kt late. Seas around 2 ft. Wave detail: E 2 ft at 7 seconds.

Sat

SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas around 2 ft. Wave detail: S 2 ft at 3 seconds and SE 2 ft at 9 seconds.

Sat Night

S winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: S 2 ft at 4 seconds and E 2 ft at 7 seconds.

Sun

S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave detail: SE 3 ft at 6 seconds.

Sun Night

S winds 10 to 15 kt, increasing to 15 to 20 kt after midnight. Seas 3 to 5 ft. Wave detail: S 5 ft at 7 seconds. Showers likely in the evening, then showers with a chance of tstms after midnight.

Mon

S winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Wave detail: S 6 ft at 8 seconds. Showers likely. A chance of tstms in the afternoon.

Mon Night

SW winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 6 ft. Showers likely with a chance of tstms.

Tue

SW winds around 10 kt. Seas 3 to 4 ft. Showers likely in the morning.

Tue Night

S winds 5 to 10 kt. Seas 3 to 4 ft.

Wed

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

Wed Night

SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.

winds and seas higher in and near tstms.