* WHAT...Northeast winds 20 to 30 kt with gusts up to 40 kt and waves 7 to 12 ft possible.
* WHERE...Marquette to Munising MI, Grand Marais to Whitefish Point MI and Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border.
* WHEN...From Thursday afternoon through late Thursday night.
* IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.