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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Coastal Waters Forecast for Block Island Sound (ANZ237) (Text-Only)
NWS Forecast for: Block Island Sound (ANZ237)
Issued by: National Weather Service Taunton, MA
Last Update: 717 AM EST Mon Dec 18 2017
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Today: S winds 5 to 10 kt. Seas around 2 ft. A chance of light rain this morning. A slight chance of light rain this afternoon.

Tonight: W winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft.

Tue: W winds 10 to 15 kt with gusts up to 20 kt, increasing to 15 to 20 kt with gusts up to 30 kt in the afternoon. Seas 2 to 4 ft.

Tue Night: W winds 15 to 20 kt with gusts up to 35 kt. Seas 4 to 6 ft.

Wed: W winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft.

Wed Night: NW winds 15 to 20 kt with gusts up to 30 kt. Seas 2 to 4 ft.

Thu: NW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to 3 ft.

Thu Night: N winds 5 to 10 kt. Seas 1 foot or less.

Fri: SE winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft.

Fri Night: S winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 6 ft. Rain likely. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.



Zone Forecast: Block Island Sound (ANZ237)

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