Heavy Snow & Ice Across Portions of the Plains and Midwest; Unsettled in the Pacific Northwest

Heavy snow and freezing rain will impact portions of the Plains, upper Midwest, and Great Lakes into Monday. Significant snow accumulations and gusty winds are likely in some areas. Farther to the south, rain and a few thunderstorms are expected over the Mississippi, Tennessee, and Ohio Valleys. Heavy rain & mountain snowfall will also continue from northern California into the Pacific Northwest.
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Last Update: 820 PM PST Sat Jan 20 2018

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Los Angeles/Oxnard, CA Local Forecast Office

56NM SSW Santa Barbara CA

Marine Zone Forecast


...GALE WARNING IN EFFECT UNTIL 3 AM PST SUNDAY...
Synopsis: PZZ600-211245- 820 PM PST Sat Jan 20 2018 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 03Z...or 7 PM PST...a 1030 MB high was located 500 NM W of Point Conception, with weak low pres along the coast of SW CA. The high will build toward the coast through Sun night. Across the outer waters, strong NW winds will continue tonight. For the inner waters, gusty W winds will weaken after midnight. A large W to NW swell will continue to affect the waters through the weekend. Additional large swell will arrive early Mon. $$

Tonight
NW winds 20 to 30 kt with gusts to 35 kt, becoming 15 to 25 kt with gusts to 30 kt after midnight. Combined seas 11 to 14 ft dominant period 14 seconds, subsiding to 9 to 12 ft dominant period 14 seconds after midnight.
Sun
NW of san nicolas island, NW winds 15 to 25 kt. Elsewhere, NW winds 10 to 15 kt. Wind waves 2 to 4 ft. NW swell 8 to 11 ft at 13 seconds.
Sun Night
NW winds 10 to 20 kt with gusts to 25 kt. Strongest NW of san nicolas island. Wind waves 2 to 4 ft. NW swell 6 to 8 ft at 12 seconds.
Mon
NW of san nicolas island, NW winds 20 to 30 kt. Elsewhere, NW winds 15 to 20 kt. Combined seas 7 to 9 ft dominant period 14 seconds, building to 8 to 11 ft dominant period 16 seconds in the afternoon.
Mon Night
NW winds 15 to 25 kt with gusts to 30 kt. Combined seas 8 to 11 ft dominant period 15 seconds.
Tue
NW winds 15 to 20 kt with gusts to 25 kt. Combined seas 8 to 11 ft, subsiding to 7 to 9 ft in the afternoon.
Tue Night
NW winds 10 to 20 kt with gusts to 25 kt. Wind waves 2 to 4 ft. NW swell 5 to 7 ft.
Wed
NW winds 10 to 15 kt with gusts to 20 kt. Wind waves 1 to 3 ft. W swell 4 to 6 ft. Slight chance of rain.
Thu
NW winds 15 to 25 kt. Combined seas 9 to 12 ft. Chance of rain.
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ABOUT THIS FORECAST

Last Update: 820 PM PST Sat Jan 20 2018
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