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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Last Update: 645 PM EST Wed Dec 13 2017

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Charleston, SC Local Forecast Office

Charleston Harbor MR

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EST THIS EVENING

Synopsis: AMZ300-141115- 645 PM EST Wed Dec 13 2017 .Synopsis for the coastal waters of south coastal South Carolina and north coastal Georgia... High pressure will persist across the region through Thursday. A mainly dry cold front will then push through later Friday and Friday night before high pressure returns Saturday and Sunday. Another cold front will move through Monday into Tuesday before high pressure returns during the middle of next week. $$

Tonight
SW winds 10 to 15 kt, increasing to 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft after midnight.
Thu
W winds 10 to 15 kt.
Thu Night
W winds 5 kt.
Fri
W winds 5 to 10 kt.
Fri Night
NW winds 5 to 10 kt.
Sat
NW winds 5 kt, becoming E in the afternoon.
Sat Night
Variable winds 5 kt.
Sun
SE winds 5 to 10 kt.
Sun Night
S winds 5 to 10 kt. A chance of showers.
Mon
SW winds 10 kt. A chance of showers.
Mon Night
W winds 10 kt. A slight chance of showers. unless otherwise noted, waves 1 foot or less. charleston harbor water temperature 54 degrees.
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ABOUT THIS FORECAST

Last Update: 645 PM EST Wed Dec 13 2017
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