* WHAT...Expect sustained winds up to 36 knots from the north with gusts up to 47 knots. The largest significant waves will be 16 feet with a potential maximum wave height of 23 feet.
* WHERE...Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt beyond 5 NM off shore and Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM off shore.
* WHEN...The maximum winds are expected around 5 PM EDT Friday with the largest waves expected around 9 PM EDT Friday.
* IMPACTS...Strong winds can cause hazardous waves which could capsize or damage vessels and reduce visibility.