Heavy Rain and Flooding, and Significant Wintry Impacts for the Central U.S.

A strong frontal boundary slowing as it moves into the central U.S. will tap into deep moisture to produce heavy rain and flooding, and a significant ice storm. Rain totals up to 7 inches, with isolated higher amounts, will be possible. Significant icing up to a third of an inch may occur in the central Plains and Middle Missouri Valley. Continued cold weather with snow to low elevations out west.
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Last Update: 300 PM PST Tue Feb 20 2018

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Seattle, WA Local Forecast Office

45NM WNW Forks WA

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
Synopsis: PZZ100-210700- 300 PM PST Tue Feb 20 2018 .Synopsis for the northern and central Washington coastal and inland waters...Winds will become northerly and offshore tonight as a weak low center moves south off the Oregon coast. Another weak system will move south through the area Wednesday night. A stronger system will move into the waters on Friday and will affect the area through the weekend. $$

Tonight
NE wind 15 to 25 kt. Wind waves 3 to 5 ft. W swell 6 ft at 14 seconds. A slight chance of rain in the evening.
Wed
NE wind 10 to 20 kt becoming 5 to 15 kt in the afternoon. wind waves 1 to 3 ft. W swell 5 ft at 14 seconds. A chance of rain in the afternoon.
Wed Night
NW wind 15 to 25 kt becoming NE after midnight. Wind waves 2 to 4 ft. W swell 5 ft at 13 seconds. Rain likely.
Thu
NE wind 10 to 20 kt. Wind waves 1 to 3 ft. W swell 7 ft at 16 seconds.
Thu Night
NW wind 10 to 20 kt easing to 10 kt after midnight. wind waves 1 to 3 ft. W swell 7 ft at 17 seconds.
Fri
SW wind 10 to 20 kt rising to 15 to 25 kt in the afternoon. wind waves 1 to 4 ft. W swell 7 ft at 16 seconds.
Fri Night
W wind 25 to 30 kt. Wind waves 5 to 7 ft. W swell 9 ft at 14 seconds.
Sat
W wind 20 to 30 kt. Wind waves 4 to 7 ft. NW swell 13 ft.
Sun
NW wind 20 to 30 kt becoming W 5 to 15 kt. Wind waves 4 to 7 ft subsiding to 1 or 2 ft. W swell 11 ft building to NW 15 ft.
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Last Update: 300 PM PST Tue Feb 20 2018
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