* WHAT...Expect sustained winds up to 16 knots from the north with gusts up to 20 knots. The largest significant waves will be 4 feet with a potential maximum wave height of 6 feet.
* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to Port Huron MI.
* WHEN...The maximum winds are expected around 6 PM EDT Friday with the largest waves expected around 8 PM EDT Friday.
* IMPACTS...Conditions will be hazardous to small craft.