* WHAT...Highest gusts up to 45 kts from the north and highest waves around 11 feet possible.
* WHERE...Straits of Mackinac within 5 nm of Mackinac Bridge including Mackinac Island, St Ignace to False Detour Channel and Sturgeon Pt to Alabaster MI.
* WHEN...From Friday morning through late Friday night.
* IMPACTS...Strong winds can cause hazardous highest waves which could capsize or damage vessels and reduce visibility.