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: 812 PM PST Tue Jan 16 2018

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Los Angeles/Oxnard, CA Local Forecast Office

38NM SW Cambria CA

Marine Zone Forecast

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT THROUGH LATE

Synopsis: PZZ600-171130- 812 PM PST Tue Jan 16 2018 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 04Z...or 8 PM PST...a 1024 MB high was located 400 NM SW of Point Conception. A 1017 MB low was centered in northern Mexico. A large, long period NW swell will affect the waters tonight through Wed night. An even larger NW swell will likely affect the waters Thu through Sat. $$

Tonight
NW winds 10 to 15 kt with gusts to 20 kt. Wind waves 2 ft or less. W swell 12 to 13 ft at 16 seconds. Patchy dense fog with vsby 1 nm or less.
Wed
NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 11 to 12 ft at 15 seconds, subsiding to 10 to 11 ft at 15 seconds in the afternoon. Patchy dense fog in the morning with vsby 1 nm or less.
Wed Night
NW winds 10 to 15 kt. Wind waves 2 ft or less. W swell 9 to 10 ft at 17 seconds.
Thu
W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 8 to 10 ft at 20 seconds, building to 14 to 17 ft at 20 seconds in the afternoon. Slight chance of rain in the afternoon.
Thu Night
NW winds 10 to 15 kt, becoming 15 to 20 kt with gusts to 25 kt after midnight. Wind waves 2 to 4 ft. W swell 16 to 19 ft at 19 seconds. Chance of rain.
Fri
NW winds 15 to 20 kt with gusts to 25 kt, becoming 20 to 30 kt in the afternoon. Combined seas 16 to 17 ft, subsiding to 15 to 16 ft in the afternoon. Chance of showers.
Fri Night
NW winds 20 to 30 kt. Combined seas 13 to 14 ft. Chance of showers in the evening.
Sat
NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 11 to 14 ft.
Sun
W winds 10 to 15 kt. Wind waves 2 ft or less. W swell 10 to 11 ft. Slight chance of rain.
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Last Update: 812 PM PST Tue Jan 16 2018
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