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: 500 PM ChST Mon Dec 18 2017

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Tiyan, GU Local Forecast Office

23NM WSW San Jose (Tinian) GU

Marine Zone Forecast


Synopsis: PMZ150-182000- 500 PM ChST Mon Dec 18 2017 .Synopsis for Marianas Waters...Moderate to fresh trade winds and combined seas of 6 to 8 feet are expected tonight. Winds and seas will increase by Tuesday evening, with fresh to strong trade winds and seas reaching as high as 10 feet by Wendesday. $$

Tonight
East wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 5 to 7 ft. Isolated thunderstorms.
Tuesday
East wind 15 to 20 kt. Wind waves 3 to 5 ft. East swell 5 to 7 ft.
Tuesday Night And Wednesday
East wind 15 to 25 kt. Wind waves 5 to 6 ft. East swell 5 to 8 ft.
Wednesday Night And Thursday
East wind 10 to 20 kt. Wind waves 3 to 5 ft. East swell 6 to 8 ft.
Friday And Saturday
East wind 10 to 15 kt. Wind waves 2 to 4 ft. East swell 6 to 8 ft.
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ABOUT THIS FORECAST

Last Update: 500 PM ChST Mon Dec 18 2017
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