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: 900 AM PST Mon Feb 19 2018

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Seattle, WA Local Forecast Office

47NM NE Port Angeles WA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

Synopsis: PZZ100-200115- 900 AM PST Mon Feb 19 2018 .Synopsis for the northern and central Washington coastal and inland waters...Northerly winds will ease today as gradients weaken. A weak weather system will move southeast well offshore Tuesday. Another weak system will move southeast through the area Wednesday. $$

Today
NE wind 20 to 30 kt. Wind waves 3 to 5 ft.
Tonight
NW wind 5 to 15 kt becoming E 10 to 20 kt after midnight. wind waves 1 to 3 ft.
Tue
SE wind 5 to 15 kt. Wind waves 2 ft or less.
Tue Night
N wind to 10 kt becoming NE after midnight. Wind waves 1 ft or less.
Wed
E wind 5 to 15 kt becoming SE in the afternoon. Wind waves 2 ft or less.
Wed Night
Light wind becoming NE to 10 kt after midnight. Wind waves 1 ft or less.
Thu
NE wind 10 to 20 kt becoming SW to 10 kt. Wind waves 1 to 3 ft subsiding to 1 ft or less.
Fri
SE wind 10 to 20 kt becoming S 5 to 15 kt. Wind waves 1 to 3 ft.
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ABOUT THIS FORECAST

Last Update: 900 AM PST Mon Feb 19 2018
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