Wet Pattern Continues From the Northwest To Rockies; Major Storm System To Develop On Thursday Across Southern Plains

A vigorous system will slide from the Northwest to the Rockies on Wednesday to keep intact the wet pattern across the extended region. Heavy to excessive rain, intense mountain snow and high winds are possible before the next system arrives on Friday. The same system will evolve into a major storm on Thursday across the southern Plains for a widespread rain event for the South and East.
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Last Update: 1215 AM EST Wed Dec 12 2018

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Philadelphia, PA Local Forecast Office

33NM NE Atlantic City NJ

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EST TODAY...
Synopsis: A weak area of low pressure will move across New England late in the overnight and drag a cold front across the waters later this morning. High pressure returns for later Wednesday and Wednesday night, but another low will then cross our area Thursday. More low pressure moving towards the area from the southern U.S. will affect our area later Friday and into the weekend.

Rest Of Tonight
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Swell mainly from the SE with a dominant period of 8 seconds.
Wed
NW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 5 to 10 kt. Seas 3 to 4 ft. Swell mainly from the E with a dominant period of 9 seconds.
Wed Night
N winds around 5 kt, becoming E after midnight. Seas 2 ft or less. Swell mainly from the E with a dominant period of 9 seconds.
Thu
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 ft or less, then around 3 ft early in the morning. Swell mainly from the E with a dominant period of 8 seconds.
Thu Night
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft.
Fri
SE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 3 to 5 ft. A chance of rain in the afternoon.
Fri Night
SE winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 4 ft. Rain likely.
Sat
S winds 10 to 15 kt. Seas 4 to 7 ft. Rain likely.
Sat Night
SW winds 10 to 15 kt. Seas 6 to 9 ft. A chance of rain.
Sun
W winds 10 to 15 kt. Seas 6 to 9 ft.
Sun Night
NW winds 10 to 15 kt. Seas 4 to 7 ft.
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ABOUT THIS FORECAST

Last Update: 1215 AM EST Wed Dec 12 2018
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