Severe Weather and Heavy Rain Shifts Into East

A strong and organized storm system will progress from the Ohio and Tennessee Valleys into the East. Expect severe weather with damaging winds across the Mid-Atlantic and Southeast, while the excessive rain risk moves from the Ohio Valley into the Northeast. Also, heat builds in parts of Texas and a cold storm system will carve into the northern Rockies for possible higher elevation snowfall.
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Last Update: 929 AM EDT Thu Jun 20 2019

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast


...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH FRIDAY AFTERNOON...
Synopsis: An area of low pressure will pass north of the region today. A cold front will move through tonight. High pressure will gradually build in Friday night and remain nearby through Sunday. A warm front is expected to move through Sunday night. A frontal system will likely affect the area Monday and Tuesday.

Today
S winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt this afternoon. Seas 3 to 4 ft. Swell mainly from the SE with a dominant period of 8 seconds. Widespread dense fog this morning. Areas of fog this afternoon. A slight chance of showers early this afternoon. A chance of showers and tstms late. Vsby 1 nm or less, increasing to 1 to 3 nm this afternoon.
Tonight
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Swell mainly from the S with a dominant period of 9 seconds. Showers and tstms likely in the evening. A chance of showers and tstms after midnight. Patchy fog. Vsby 1 to 3 nm.
Fri
NW winds 15 to 20 kt. Gusts up to 35 kt. Seas 3 to 5 ft. Swell mainly from the S with a dominant period of 8 seconds. patchy fog early in the morning. A chance of showers in the late morning and early afternoon. Vsby 1 to 3 nm early in the morning.
Fri Night
NW winds around 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. Swell mainly from the S with a dominant period of 8 seconds.
Sat
NW winds 10 to 15 kt with gusts up to 25 kt. Seas around 3 ft in the morning, then 2 ft or less.
Sat Night
NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Seas 2 ft or less.
Sun
NW winds 5 to 10 kt, becoming SW in the afternoon. Seas 2 ft or less.
Sun Night
SW winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt after midnight. Seas 2 ft or less.
Mon
SW winds 5 to 10 kt. Seas around 3 ft. A chance of showers and tstms.
Mon Night
SW winds 10 to 15 kt. Gusts up to 20 kt in the evening. Seas around 3 ft. A chance of showers. winds and seas higher in and near tstms.
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Last Update: 929 AM EDT Thu Jun 20 2019
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