Very Dangerous Heat Wave Impacting the Southern Plains and Spreading Eastward

A blazing heat wave will consume much of the southern Plains and lower Mississippi River Valley through early next week, especially in Texas. Expect record highs temperatures and very dangerous heat indices, both surging well over 100 degrees. Click the link to the right for more info on how to keep you, your family/pets, and friends safe during the summer heat.
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Last Update: 624 AM EDT Thu Jul 19 2018

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Philadelphia, PA Local Forecast Office

20NM SSW Atlantic City NJ

Marine Zone Forecast


Synopsis: High pressure will build across the region today before moving offshore on Friday. A low pressure system will move up the coast on Saturday. Another low pressure system will remain nearly stationary over the Midwest, affecting our area through the middle of next week.

Today
NE winds around 10 kt, becoming E this afternoon. Seas around 3 ft. Swell mainly from the S with a dominant period of 7 seconds.
Tonight
SE winds 5 to 10 kt. Seas 2 to 3 ft. Swell mainly from the S with a dominant period of 8 seconds.
Fri
SE winds 5 to 10 kt. Seas 2 ft or less, then around 3 ft late. Swell mainly from the SE with a dominant period of 7 seconds.
Fri Night
E winds around 10 kt. Seas 3 to 4 ft. Swell mainly from the S with a dominant period of 7 seconds.
Sat
E winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft, building to 4 to 7 ft in the afternoon. A chance of showers in the morning, then showers likely with a chance of tstms in the afternoon.
Sat Night
NE winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt after midnight. Seas 4 to 6 ft. Showers likely with a chance of tstms in the evening, then a chance of showers after midnight.
Sun
S winds 10 to 15 kt. Seas 3 to 5 ft. A chance of showers. A chance of tstms in the afternoon.
Sun Night
S winds around 15 kt. Seas 4 to 6 ft. A chance of showers and tstms.
Mon
S winds 15 to 20 kt. Seas 4 to 6 ft. A chance of tstms in the morning. A chance of showers.
Mon Night
S winds 15 to 20 kt. Seas 4 to 6 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: 624 AM EDT Thu Jul 19 2018
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