* WHAT...South to southwest winds 15 to 25 kt with gusts up to 35 kt tonight becoming southwest to west winds 25 to 35 kt with gusts up to 45 kt by Tuesday; waves 9 to 14 ft expected.
* WHERE...Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border.
* WHEN...From midnight tonight to 8 PM EDT Tuesday.
* IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels and reduce visibility.