* WHAT...West winds 20 to 30 kt with gusts up to 40 kt and waves 8 to 13 ft possible.
* WHERE...Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border.
* WHEN...From Wednesday afternoon through late Wednesday night.
* IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.