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: 232 AM PST Mon Dec 18 2017

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Los Angeles/Oxnard, CA Local Forecast Office

9NM SSE Santa Barbara CA

Marine Zone Forecast


...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 AM PST EARLY THIS MORNING...
Synopsis: PZZ600-181745- 232 AM PST Mon Dec 18 2017 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 10Z...or 2 AM PST...There was a 1026 MB high 550 NM W of Monterey, extending inland to a 1028 high over Nevada. Smoke from the Thomas Fire may reduce visibilities down to 2 NM for portions of the inner Coastal Waters. $$

Today
N winds 5 to 10 kt in the morning, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 11 seconds. Areas of smoke.
Tonight
NW winds 10 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 2 ft at 11 seconds.
Tue
Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 13 seconds.
Tue Night
Winds variable 10 kt or less. Wind waves 2 ft or less. W swell 2 to 3 ft at 15 seconds. Patchy fog after midnight.
Wed
W winds 5 to 10 kt, becoming N 10 to 15 kt in the afternoon. Wind waves 2 ft or less. W swell 2 to 4 ft at 14 seconds. Patchy fog in the morning.
Wed Night
N winds 10 to 20 kt. Wind waves 2 to 3 ft. NW swell 2 to 3 ft at 14 seconds, becoming W and building to 4 to 6 ft at 14 seconds after midnight.
Thu
N winds 10 to 15 kt. Wind waves 2 ft or less. W swell 3 to 5 ft.
Fri
NW winds 5 to 10 kt. Wind waves 2 ft or less. W swell 1 ft.
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ABOUT THIS FORECAST

Last Update: 232 AM PST Mon Dec 18 2017
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