* WHAT...Expect sustained winds up to 16 knots from the north- northwest with gusts up to 21 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 5 feet.
* WHERE...Port Austin to Harbor Beach MI and Harbor Beach to Port Sanilac MI.
* WHEN...The maximum winds are expected around 7 PM EDT Friday with the largest waves expected around 9 PM EDT Friday.
* IMPACTS...Conditions will be hazardous to small craft.