Multiple rounds of storms through Thursday

A briefing on the multiple rounds of storms through Thursday, September 3. Read More >

Last Update: 450 PM EDT Tue Sep 1 2026

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast

...SEVERE THUNDERSTORM WATCH 638 IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

Tonight
SW winds 5 to 10 kt, becoming SE late. Seas around 2 ft. Wave detail: S 2 ft at 4 seconds and SE 2 ft at 9 seconds. Isolated showers and tstms early this evening, then numerous showers and tstms late this evening. A chance of showers with a slight chance of tstms after midnight.
Wed
NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave detail: NE 2 ft at 4 seconds and S 2 ft at 5 seconds.
Wed Night
E winds 5 to 10 kt, becoming SE after midnight. Seas around 3 ft. Wave detail: NE 3 ft at 6 seconds and SE 2 ft at 10 seconds. A chance of showers after midnight.
Thu
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: E 3 ft at 6 seconds and SE 2 ft at 9 seconds. A chance of showers in the morning.
Thu Night
SW winds around 10 kt, becoming W after midnight. Seas 2 to 3 ft. Wave detail: S 2 ft at 5 seconds and E 2 ft at 6 seconds. A chance of showers and tstms.
Fri
NW winds 5 to 10 kt. Seas 2 to 3 ft. Wave detail: SE 2 ft at 7 seconds. A chance of showers in the afternoon.
Fri Night
NW winds 5 to 10 kt. Seas 2 to 3 ft. A chance of showers.
Sat
N winds 10 to 15 kt, becoming NE 5 to 10 kt in the afternoon. Seas 2 to 3 ft.
Sat Night
E winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft.
Sun
NE winds around 10 kt. Seas 2 to 3 ft.
Sun Night
E winds 5 to 10 kt. Seas 2 to 3 ft.

winds and seas higher in and near tstms.



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450 PM EDT Tue Sep 1 2026
 
 

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