Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Last Update: 634 PM EST Sun Dec 17 2017

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New York, NY Local Forecast Office

9NM SSW Bridgeport CT

Marine Zone Forecast


Synopsis: ANZ300-181230- 634 PM EST Sun Dec 17 2017 .Synopsis for the Long Island Waters and New York Harbor... A warm front approaches from the south tonight. Weak low pres tracks across the waters on Monday. A cold front approaches on Tuesday and passes through the region Tuesday Night, with high pressure building in for the mid to late week. $$

Tonight
NE winds around 5 kt, becoming E 10 to 15 kt late. seas 1 ft or less, then 1 to 2 ft late. Chance of light snow and light sleet this evening, then light freezing rain, light sleet and light snow likely after midnight.
Mon
NE winds 5 to 10 kt with gusts up to 20 kt, becoming W in the afternoon. Seas 1 ft or less. Chance of light rain and light freezing rain in the morning.
Mon Night
W winds 5 to 10 kt. Seas around 2 ft.
Tue
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.
Tue Night
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft.
Wed
NW winds 15 to 20 kt with gusts up to 25 kt. Seas around 3 ft.
Wed Night
NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.
Thu
W winds 5 to 10 kt. Seas 1 ft or less.
Thu Night
SW winds around 5 kt, becoming SE after midnight. Seas 1 ft or less.
Fri
S winds 5 to 10 kt. Seas 1 ft or less.
Fri Night
S winds 10 to 15 kt. Seas 1 ft or less, then around 2 ft after midnight. Chance of showers in the evening, then chance of rain after midnight.
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Last Update: 634 PM EST Sun Dec 17 2017
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