Heavy Rainfall Possible Over Portions of the Gulf Coast and Southeast

Unsettled weather will continue across the Southeast and Gulf Coast with periodic showers and thunderstorms through at least Wednesday. Rainfall amounts may exceed three inches in some locales. Elsewhere, a few severe thunderstorms are possible for the Ohio Valley and central Plains through Tuesday.
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Last Update: 633 AM EDT Tue May 22 2018

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Philadelphia, PA Local Forecast Office

31NM SSE New York NY

Marine Zone Forecast


Synopsis: A warm front will lift across the area today into this evening as an area of low pressure lifts across the Great Lakes region and into New York state. A cold front will then move across the area tonight into Wednesday morning. High pressure will build across the area Thursday, then offshore Friday. A backdoor cold front is forecast to move southward across the area late Saturday, while a warm front may lift into the area Saturday as well. These fronts may stall near the area into early next week.

Today
SE winds 5 to 10 kt. Seas around 3 ft until late afternoon, then 2 ft or less. Swell mainly from the SE with a dominant period of 7 seconds. a chance of showers this morning, then showers likely with a chance of tstms this afternoon.
Tonight
SW winds 5 to 10 kt. Seas 2 ft or less. Swell mainly from the SE with a dominant period of 7 seconds. a chance of tstms. Showers likely, mainly in the evening.
Wed
W winds 5 to 10 kt. Seas around 3 ft. Swell mainly from the SE with a dominant period of 7 seconds.
Wed Night
NW winds 5 to 10 kt. Seas around 3 ft. Swell mainly from the S with a dominant period of 7 seconds.
Thu
N winds around 10 kt, becoming E in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Thu Night
S winds around 10 kt, becoming SW after midnight. Seas 2 ft or less.
Fri
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas around 3 ft.
Fri Night
SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft.
Sat
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas around 3 ft.
Sat Night
SW winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Seas 3 to 4 ft. A chance of showers. winds and seas higher in and near tstms.

Winds and seas higher in and near tstms.
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ABOUT THIS FORECAST

Last Update: 633 AM EDT Tue May 22 2018
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