Heavy Rainfall Threat The Across The Eastern U.S.

A strong cold front will gradually push through the Eastern U.S. over the next couple of days and will bring heavy rain and severe weather, primarily damaging winds . Excessive rainfall may result in flash flooding in the central Great Lakes and central Appalachians. Flash flood watches are currently in effect from the coastal Carolinas to the Great Lakes.
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Last Update: 404 AM EDT Wed Sep 22 2021

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Philadelphia, PA Local Forecast Office

33NM NE Atlantic City NJ

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE THURSDAY NIGHT...
Synopsis: High pressure remains over the Canadian Maritimes before drifting out to sea this weekend. A cold front approaches from the west today and slowly crosses the region Thursday night through Friday morning. Surface high pressure builds into the region from the west this weekend as several weak disturbances pass through the region. High pressure moves offshore Monday, and then another front may approach the area Tuesday.

Today
SE winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog this morning. A slight chance of showers early this morning, then a slight chance of tstms late this morning and afternoon. Vsby 1 to 3 nm this morning. Swell mainly from the E with a dominant period of 9 seconds, becoming mainly from the SE with a dominant period of 7 seconds this afternoon.
Tonight
SE winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers late. Swell mainly from the SE with a dominant period of 7 seconds.
Thu
SE winds 15 to 20 kt. Gusts up to 25 kt. Seas 5 to 6 ft. A chance of showers until late afternoon, then a chance of tstms late. Swell mainly from the SE with a dominant period of 7 seconds.
Thu Night
S winds around 15 kt. Gusts up to 25 kt. Seas 4 to 6 ft. Showers with a chance of tstms in the evening, then showers likely after midnight. Vsby 1 to 3 nm until early morning. Swell mainly from the SE with a dominant period of 7 seconds.
Fri
W winds 10 to 15 kt with gusts up to 20 kt. Seas 4 to 5 ft. Showers likely, mainly in the morning.
Fri Night
NW winds 5 to 10 kt. Seas 3 to 4 ft. A chance of showers.
Sat
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 3 to 4 ft.
Sat Night
SW winds 5 to 10 kt. Seas around 3 ft.
Sun
W winds 10 to 15 kt. Seas 3 to 4 ft.
Sun Night
W winds 10 to 15 kt. Seas 3 to 4 ft. winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 404 AM EDT Wed Sep 22 2021
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