Arctic Air Plunges into the Great Lakes, Northeast and Mid-Atlantic

Arctic air dropping through the northern and eastern U.S. and a storm off the east coast will bring periods of snow, very cold wind chills and hazardous traveling conditions from the Upper Great Lakes to the Northeast. Meanwhile in southern California, Santa Ana winds will decrease but hot, dry air will remain over the area with elevated fire weather conditions.
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Hazardous Weather Conditions

Last Update: 300 AM ChST Thu Dec 14 2017

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Tiyan, GU Local Forecast Office

Marine Zone Forecast

...HIGH SURF ADVISORY REMAINS IN EFFECT FOR EAST FACING SHORES...

Today
Southeast wind 10 to 15 kt. Combined seas 7 to 8 ft. Mostly cloudy. Scattered showers becoming isolated by noon. Isolated thunderstorms.
Tonight Through Friday Night
Southeast wind 10 to 15 kt. Combined seas 6 to 7 ft. Mostly cloudy with isolated showers and thunderstorms.
Saturday
East wind 10 to 20 kt. Combined seas 6 to 8 ft. Mostly cloudy becoming partly cloudy by evening. Isolated showers.
Sunday And Monday
Northeast wind 15 to 20 kt. Combined seas 7 to 9 ft. Partly cloudy with isolated showers.
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ABOUT THIS FORECAST

Last Update: 300 AM ChST Thu Dec 14 2017
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RADAR & SATELLITE IMAGES

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