Very Cold with Snow and Ice Across the Central & Eastern States; Turning Unsettled in the Northwest

Well below normal temperatures, bitterly cold wind chills, and another round of snow and ice will impact the central and eastern U.S. through at least Tuesday. Wintry precipitation will extend as far south as Texas and Louisiana. Meanwhile, rain and wind will return to the Pacific Northwest, with locally heavy precipitation by mid-week.
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Last Update: 920 PM EST Mon Jan 15 2018

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Philadelphia, PA Local Forecast Office

8NM SE Atlantic City NJ

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...
Synopsis: High pressure centered in eastern Canada will lose its influence on our region tonight and Tuesday as a clipper low approaches from the Great Lakes region. The low will weaken to our north as another area of low pressure forms off the Mid-Atlantic coast Tuesday night. The coastal low is then expected to move northeast toward Cape Cod on Wednesday and the Canadian Maritimes Wednesday night. High pressure builds in from the Southeastern states late in the week before progressing offshore this weekend.

Overnight
NE winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt late. Seas 4 to 7 ft. Swell mainly from the E with a dominant period of 8 seconds.
Tue
E winds 5 to 10 kt. Seas 3 to 5 ft. Swell mainly from the E with a dominant period of 9 seconds.
Tue Night
N winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight, then becoming NW 15 to 20 kt late. Seas 3 to 5 ft. Swell mainly from the E with a dominant period of 10 seconds. a chance of rain in the late evening and overnight. A chance of snow late with vsby 1 to 3 nm.
Wed
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the SE with a dominant period of 10 seconds. a chance of snow and rain early in the morning, then snow likely in the late morning and early afternoon. A chance of snow late. Vsby 1 to 3 nm.
Wed Night
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. A chance of snow in the evening. Light freezing spray. Vsby 1 to 3 nm in the evening.
Thu
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Light freezing spray in the morning.
Thu Night
W winds 15 to 20 kt, diminishing to 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 3 to 5 ft.
Fri
W winds around 10 kt. Seas 3 to 4 ft.
Fri Night
SW winds around 10 kt. Seas around 3 ft.
Sat
SW winds 10 to 15 kt. Seas around 3 ft.
Sat Night
SW winds 10 to 15 kt. Seas around 3 ft.
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Last Update: 920 PM EST Mon Jan 15 2018
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