Winter Storm Impacting the Rockies and Great Basin

Widespread precipitation is expected from the central Rockies back into the Southwest, with heavy snow accumulations possible, especially across the mountains of southwest Wyoming, Utah and eastern Nevada. The front will push further east on Saturday, with precipitation, including heavy mountain snows, shifting further east across the central and southern Rockies.
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Last Update: 228 PM PST Fri Jan 19 2018

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Portland, OR Local Forecast Office

39NM W Newport OR

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON...
...STORM WATCH IN EFFECT FROM SATURDAY EVENING THROUGH SUNDAY MORNING...
Synopsis: Weak high pressure will be over the waters tonight. A warm front associated with the next low pressure system moves through the waters Saturday. A strong trailing cold front impacts the area late Saturday night and Sunday morning. There is high potential for storm force wind gusts late Saturday night through Sunday morning. Another round of gale force wind can be expected Tuesday.

Tonight
W wind 15 to 20 kt with gusts to 25 kt, easing to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves W 4 ft at 5 seconds. W swell 16 ft at 14 seconds.
Sat
SW wind 20 to 25 kt, becoming S 25 to 30 kt with gusts to 35 kt late. Combined seas 16 ft with a dominant period of 14 seconds.
Sat Night
S wind 30 to 35 kt with gusts to 50 kt, rising to 35 to 40 kt with gusts to 55 kt after midnight. Combined seas building to 21 ft with a dominant period of 12 seconds.
Sun
S wind 35 to 40 kt with gusts to 55 kt, becoming SW 20 to 25 kt with gusts to 30 kt by early afternoon. Combined seas 23 ft with a dominant period of 15 seconds, subsiding to 19 ft at 12 seconds in the afternoon. Rain.
Sun Night
SW wind 20 to 25 kt, easing to 15 to 20 kt after midnight. Wind waves SW 5 ft at 7 seconds. W swell 16 ft at 15 seconds.
Mon
SW wind to 15 kt. Wind waves 4 ft. W swell 13 ft.
Mon Night
S wind 10 to 15 kt. Wind waves 3 ft. W swell 12 ft.
Tue
S wind 25 to 30 kt. Gusts to 35 kt. Combined seas 12 ft.
Wed
SW wind 15 to 20 kt. Wind waves 5 ft. W swell 11 ft.
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ABOUT THIS FORECAST

Last Update: 228 PM PST Fri Jan 19 2018
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