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 Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350) (Text-Only)
NWS Forecast for: Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350)
Issued by: National Weather Service Charleston, SC
Last Update: 912 PM EST Sun Dec 17 2017
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Tonight: Variable winds 5 kt. Seas 1 foot.

Mon: SW winds 5 to 10 kt. Seas 1 to 2 ft. A slight chance of showers in the morning, then a chance of showers in the afternoon.

Mon Night: SW winds 10 kt. Seas 2 ft. A chance of showers in the evening. Patchy fog after midnight.

Tue: W winds 5 to 10 kt. Seas 2 ft.

Tue Night: SW winds 10 kt. Seas 2 ft.

Wed: SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Seas 2 to 3 ft, building to 3 to 4 ft in the afternoon. A chance of showers.

Wed Night: SW winds 10 to 15 kt, becoming NW after midnight. Seas 3 to 4 ft. Showers likely, mainly in the evening.

Thu: NE winds 15 to 20 kt. Seas 3 to 4 ft. A slight chance of showers.

Thu Night: NE winds 10 to 15 kt. Seas 3 to 4 ft. A slight chance of showers.

Fri: N winds 5 to 10 kt. Seas 3 to 4 ft.

Fri Night: SW winds 5 to 10 kt. Seas 2 to 3 ft.



Zone Forecast: Coastal waters from South Santee River to Edisto Beach SC out 20 nm (AMZ350)

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