Powerful Storm to Impact Eastern Third of U.S. this weekend.

A developing storm system will bring a myriad of significant impacts this weekend. Heavy snow up to 18 inches from the Ohio Valley to the Northeast, and ice up to a quarter of an inch is forecast in places. Heavy rain may cause flash flooding from the Mid-South to the Mid-Atlantic. Severe thunderstorms with damaging winds and isolated tornadoes will be possible in the Deep South.
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Last Update: 812 PM PST Fri Jan 18 2019

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Los Angeles/Oxnard, CA Local Forecast Office

18NM SW Long Beach CA

Marine Zone Forecast


Synopsis: PZZ600-191230- 812 PM PST Fri Jan 18 2019 .Synopsis for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park...at 02Z...or 6 PM PST, a 1026 MB surface high was centered 300 NM SW of Point Conception, with a ridge extending into Nevada. The high will split into two highs over the weekend with one moving to the northwest and another moving into Utah. $$

Tonight
N to NE winds 5 to 15 kt. Wind waves 2 ft or less. W swell 6 to 8 ft at 14 seconds.
Sat
N to NE winds 5 to 15 kt. Wind waves 2 ft or less. W swell 5 to 7 ft at 14 seconds, subsiding to 3 to 4 ft at 13 seconds in the afternoon.
Sat Night
W winds 10 to 15 kt in the evening, becoming variable 10 kt or less. Wind waves 2 ft or less. W swell 3 to 4 ft at 13 seconds.
Sun
Winds variable 10 kt or less, becoming W 15 to 20 kt with gusts to 25 kt in the afternoon. Wind waves 1 to 3 ft. W swell 3 to 4 ft at 12 seconds.
Sun Night
Western portion, W winds 20 to 30 kt. Elsewhere, W winds 15 to 20 kt becoming NW 10 to 15 kt after midnight. Combined seas 6 to 8 ft dominant period 7 seconds. Patchy fog after midnight.
Mon
Western portion, NW winds 20 to 25 kt. Elsewhere, NW winds 10 to 15 kt becoming 20 to 25 kt in the afternoon. Combined seas 6 to 8 ft dominant period 8 seconds. Patchy fog in the morning.
Mon Night
Western portion, NW winds 25 to 30 kt becoming 15 to 20 kt after midnight. Elsewhere, NW winds 20 to 25 kt becoming N 15 to 20 kt after midnight. Combined seas 7 to 9 ft dominant period 8 seconds, subsiding to 5 to 7 ft dominant period 8 seconds after midnight.
Tue
N winds 15 to 25 kt. Combined seas 3 to 5 ft.
Wed
N winds 5 to 10 kt. Wind waves 2 ft or less. W swell 2 ft.
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ABOUT THIS FORECAST

Last Update: 812 PM PST Fri Jan 18 2019
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