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.

Coastal Waters Forecast for Grand Portage to Grand Marais MN (LSZ140) (Text-Only)
NWS Forecast for: Grand Portage to Grand Marais MN (LSZ140)
Issued by: National Weather Service Duluth, MN
Last Update: 927 PM CST Tue Dec 12 2017

Rest Of Tonight: Southeast wind 10 to 15 knots increasing to 15 to 20 knots late. Snow likely late in the evening, then snow after midnight. Waves 2 to 4 feet.

Wednesday: East wind around 15 knots becoming northeast 15 to 20 knots with gusts to around 25 knots in the afternoon. Snow in the morning. Snow likely in the afternoon. Waves 3 to 5 feet. A small craft advisory may be needed.

Wednesday Night: North wind 15 to 20 knots. Slight chance of snow showers in the evening. Waves 3 to 5 feet subsiding to 2 to 4 feet in the late evening and overnight.

Thursday: Northwest wind 10 to 15 knots. Partly sunny. Waves 2 feet or less. note...wave height forecasts are for ice free areas.

Zone Forecast: Grand Portage to Grand Marais MN (LSZ140)

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