Wintry precipitation and very cold temperatures in the east, unsettled weather likely from northern California to the Pacific Northwest

Accumulating snowfall will bring travel implications from the southeast U.S. to the Middle Atlantic, Northeast, and New England through Wednesday. Very cold temperatures will likely bring a hard freeze to portions of the Deep South into Thursday. A series of storm systems will bring the potential for heavy rain, strong winds, and mountain snowfall from northern California to the Pacific Northwest.
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Last Update: 841 PM PST Tue Jan 16 2018

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Portland, OR Local Forecast Office

36NM W Cannon Beach OR

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PST WEDNESDAY...
...GALE WARNING IN EFFECT FROM 2 AM PST WEDNESDAY THROUGH WEDNESDAY MORNING...
...STORM WARNING IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING...
Synopsis: A 960 mb surface low will move north along 145 west longitude Wednesday and be near Haida Gwaii by early Thursday. A strong cold front crosses the waters late Wednesday, which will result in storm force wind gusts late Wednesday afternoon through Thursday evening. The strong low will also generate very high seas around 30 feet late Wednesday night through Thursday. The active pattern continues into the weekend with combined seas in the upper teens to lower 20s through at least Sunday morning.

Tonight
SE wind 20 to 25 kt, becoming S 25 to 30 kt with gusts to 45 kt after midnight. Combined seas 16 ft with a dominant period of 14 seconds. Rain.
Wed
S wind 30 to 35 kt, becoming 30 to 40 kt in the afternoon. Gusts to 45 kt, becoming 50 kt in the afternoon. Combined seas 24 ft with a dominant period of 13 seconds. Rain.
Wed Night
SW wind 25 to 30 kt. Gusts to 45 kt. Combined seas 27 ft with a dominant period of 14 seconds. Rain.
Thu
SW wind 25 to 30 kt. Combined seas 31 ft with a dominant period of 19 seconds. Showers.
Thu Night
SW wind 25 to 30 kt. Combined seas 26 ft with a dominant period of 17 seconds. Showers likely and a slight chance of tstms.
Fri
SW wind 20 to 25 kt with gusts to 35 kt. Combined seas 23 ft. Showers likely.
Fri Night
W wind 20 to 25 kt. Wind waves 6 ft. W swell 21 ft. Showers likely.
Sat
SW wind 25 to 30 kt. Combined seas 20 ft.
Sun
SW wind 20 to 25 kt. Combined seas 18 ft.
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ABOUT THIS FORECAST

Last Update: 841 PM PST Tue Jan 16 2018
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