Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Last Update: 159 PM PST Sun Dec 17 2017

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66NM SSW Point Arena CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM PST THIS EVENING...

Synopsis: PZZ500-181015- 159 PM PST Sun Dec 17 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Northerly winds will continue to diminish through this evening across the coastal waters as an upper level trough over the interior moves east. High pressure will then build off of the northern California coast resulting in light to occasional moderate winds tonight through Tuesday. west to northwest winds will increase again Tuesday night and Wednesday as a weak frontal system moves through the region. $$

Rest Of Today
N winds 10 to 20 kt with gusts up to 25 kt. Wind waves 3 to 4 ft. NW swell 7 to 11 ft at 12 seconds.
Tonight
NW winds 5 to 15 kt with gusts up to 25 kt, diminishing late. Wind waves 3 to 4 ft. NW swell 6 to 10 ft at 12 seconds.
Mon
NW winds 5 to 15 kt. Wind waves 2 ft or less. NW swell 4 to 5 ft at 12 seconds.
Mon Night
NW winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 4 to 6 ft at 16 seconds.
Tue
W winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 6 to 7 ft at 15 seconds.
Tue Night
W winds 10 to 15 kt. Wind waves 2 ft or less. NW swell around 7 ft at 15 seconds. A chance of rain.
Wed
NW winds 15 to 25 kt with gusts up to 30 kt. Wind waves 3 to 5 ft. NW swell 7 to 9 ft. A chance of showers through the night.
Thu
N winds 15 to 25 kt, becoming NW 5 to 15 kt. Wind waves 3 to 4 ft, then around 2 ft or less. NW swell 6 to 8 ft.
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ABOUT THIS FORECAST

Last Update: 159 PM PST Sun Dec 17 2017
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