Wintry precipitation and very cold temperatures in the east, unsettled weather likely from northern California to the Pacific Northwest

Accumulating snowfall will bring travel implications from the southeast U.S. to the Middle Atlantic, Northeast, and New England through Wednesday. Very cold temperatures will likely bring a hard freeze to portions of the Deep South into Thursday. A series of storm systems will bring the potential for heavy rain, strong winds, and mountain snowfall from northern California to the Pacific Northwest.
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Last Update: 418 AM EST Wed Jan 17 2018

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Philadelphia, PA Local Forecast Office

35NM NE Atlantic City NJ

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON...
Synopsis: Low pressure will move into the Canadian Maritimes today. High pressure will build across the Gulf coast through the end of the week, then offshore over the weekend. An area of low pressure will move across eastern Canada over the weekend as a back door cold front approaches from the north.

Today
N winds around 10 kt, becoming NW and increasing to 15 to 20 kt. Gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the N with a dominant period of 8 seconds. Rain this morning. A chance of snow late this morning, then a chance of snow showers early this afternoon. Vsby 1 to 3 nm this morning.
Tonight
NW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Swell mainly from the NW with a dominant period of 5 seconds. light freezing spray in the late evening and overnight.
Thu
W winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft, subsiding to 3 to 4 ft in the afternoon. Swell mainly from the NW with a dominant period of 5 seconds. light freezing spray in the morning.
Thu Night
W 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. light freezing spray late.
Fri
W winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Light freezing spray in the morning.
Fri Night
SW winds around 15 kt with gusts up to 20 kt. Seas around 3 ft.
Sat
SW winds around 15 kt. Seas 3 to 4 ft.
Sat Night
W winds 10 to 15 kt. Seas around 3 ft.
Sun
W winds 10 to 15 kt, becoming SW 5 to 10 kt in the afternoon. Seas around 3 ft in the morning, then 2 ft or less.
Sun Night
SW winds 5 to 10 kt. Seas 2 ft or less.
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ABOUT THIS FORECAST

Last Update: 418 AM EST Wed Jan 17 2018
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