Snow and Ice Continue in the Northeast; Rain and Mountain Snow in the West

Significant winter impacts shift into the Northeast on Sunday. Heavy snow up to 2 feet will be possible across interior Northeastern areas. Southern New England may see ice accumulations up to a quarter of an inch. Strong gusty winds and bitter cold will follow the cold front passage. In the west, heavy mountain snow will impact the California, Inter-Mountain West, and Rocky mountains.
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Last Update: 1122 PM EST Sat Jan 19 2019

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Philadelphia, PA Local Forecast Office

15NM E Lewes DE

Marine Zone Forecast


...GALE WARNING IN EFFECT THROUGH MONDAY AFTERNOON...
...FREEZING SPRAY ADVISORY IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY AFTERNOON...
Synopsis: An expansive area of low pressure will approach the region from the west tonight and pass over our area overnight Saturday night and early Sunday morning bringing a significant winter storm to the region. Low pressure moves across southern New England then out to sea late Sunday. Strong Arctic high pressure will build quickly into the Mid-Atlantic through the early part of next week resulting in very cold and dry conditions. Another area of low pressure will move across the Great Lakes and into southeastern Canada late Tuesday into Wednesday pushing a cold front into the region Wednesday.

Overnight
S winds around 20 kt with gusts up to 35 kt. Seas 5 to 8 ft. Swell mainly from the SE with a dominant period of 5 seconds. a chance of rain late this evening, then rain.
Sun
SW winds 15 to 20 kt, becoming W 20 to 25 kt early in the afternoon, then becoming NW 25 to 30 kt late. Gusts up to 40 kt. Seas 7 to 9 ft. Swell mainly from the SE with a dominant period of 8 seconds. rain until late afternoon.
Sun Night
NW winds 25 to 30 kt with gusts up to 45 kt. Seas 6 to 9 ft. Swell mainly from the SE with a dominant period of 9 seconds. light freezing spray.
Mon
NW winds 25 to 30 kt with gusts up to 40 kt. Seas 5 to 8 ft. Swell mainly from the SE with a dominant period of 9 seconds. freezing spray.
Mon Night
NW winds 25 to 30 kt with gusts up to 40 kt, diminishing to 20 to 25 kt with gusts up to 30 kt after midnight. Seas 4 to 6 ft. Light freezing spray.
Tue
NW winds 10 to 15 kt with gusts up to 20 kt, becoming W 5 to 10 kt in the afternoon. Seas 3 to 4 ft in the morning, then 2 ft or less. Light freezing spray likely in the morning.
Tue Night
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft.
Wed
SW winds 15 to 20 kt. Seas 4 to 6 ft. A chance of snow in the morning. A chance of rain.
Wed Night
SW winds 10 to 15 kt. Seas 4 to 7 ft. Rain likely.
Thu
SW winds 10 to 15 kt. Seas 4 to 7 ft. Rain likely.
Thu Night
NW winds 15 to 20 kt. Seas 5 to 7 ft. Rain likely, mainly in the evening. Vsby 1 to 3 nm after midnight.
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Last Update: 1122 PM EST Sat Jan 19 2019
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