Excessive Rainfall Possible in Multiple Spots, While Heat Lingers and Builds in Other Areas

A ridge of high pressure, that brought Summer-Heat to the Midwest/East over the weekend, is attempting to survive from the Mid MS Valley to Southeast. Around this ridge, several spots will be vulnerable for intense excessive rainfall. A constant surge of Tropical Moisture inundates the TX Gulf Coast and a system will relocate from the northern to central Plains to interact with a Midwest front.
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Last Update: 1206 PM EDT Tue Jun 19 2018

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Philadelphia, PA Local Forecast Office

19NM NNE Lewes DE

Marine Zone Forecast


Synopsis: A cold front settles south of our area by later today and stalls, then weak high pressure slides to our north through tonight. A weak area of low pressure tracks along the front and crosses our region Wednesday night into early Thursday. High pressure builds in Thursday night, then shifts offshore Friday. A warm front lifts across the region later Saturday, followed by a cold front during Sunday. High pressure should then start to build in during Monday.

This Afternoon
NW winds 5 to 10 kt. Waves 2 ft or less. A slight chance of tstms. A chance of showers early, then a slight chance of showers late.
Tonight
SE winds around 5 kt, becoming NE after midnight. Waves 2 ft or less.
Wed
SE winds 5 to 10 kt. Waves 2 ft or less. A chance of showers and tstms in the afternoon.
Wed Night
SE winds 5 to 10 kt, diminishing to around 5 kt after midnight, then becoming NE late. Waves 2 ft or less. A chance of tstms. Showers likely. Vsby 1 to 3 nm.
Thu
N winds 5 to 10 kt, becoming NE in the afternoon. Waves 2 ft or less. Showers likely with a chance of tstms in the morning with vsby 1 to 3 nm.
Thu Night
E winds 5 to 10 kt. Waves 2 ft or less.
Fri
E winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves around 3 ft.
Fri Night
E winds 10 to 15 kt. Waves around 3 ft in the evening, then 2 ft or less.
Sat
SE winds 10 to 15 kt. Waves around 3 ft. A chance of showers and tstms in the afternoon.
Sat Night
SE winds 10 to 15 kt, becoming S 5 to 10 kt after midnight. Waves around 3 ft. A chance of showers and tstms. winds and waves higher in and near tstms.

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

Last Update: 1206 PM EDT Tue Jun 19 2018
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