Deep Cold Trough Meets Gulf Moisture with Significant Impacts Across the Western and Central U.S.

A deep trough and associated cold front is bringing much below normal temperatures in the west, with low elevation snows. Strong winds and widespread snow, will impact the Great Basin, western mountains, and the Plains. The slowing front, will bring prolonged waves of heavy rain across the Mississippi Valley to the Great Lakes. Significant icing forecast north of the heavy rain. Big warm up east.
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Last Update: 600 AM ChST Tue Feb 20 2018

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Tiyan, GU Local Forecast Office

18NM SE Andersen AFB GU

Marine Zone Forecast


Synopsis: PMZ150-200900- 600 AM ChST Tue Feb 20 2018 .Synopsis for Marianas Waters...Moderate to fresh trade winds are expected through the week. Combined seas of 6 to 8 feet will persist through Wednesday then fall to 5 to 7 feet Thursday. $$

Today
East wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 4 to 6 ft and north 3 ft.
Tonight
East wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 3 to 4 ft and north 4 ft.
Wednesday
Northeast wind 20 kt. Wind waves 3 to 5 ft. East swell 4 to 6 ft and north 4 ft.
Wednesday Night
Northeast wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 4 to 6 ft and north 3 ft.
Thursday Through Saturday
East wind 10 to 20 kt. Wind waves 2 to 4 ft. East swell 4 to 6 ft and north 2 to 3 ft.
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ABOUT THIS FORECAST

Last Update: 600 AM ChST Tue Feb 20 2018
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