Small Craft Advisory issued April 17 at 2:49AM EDT until April 18 at 4:00PM EDT by NWS Detroit/Pontiac MI
Details
* WHAT...During the Dense Fog Advisory, dense fog will reduce
visibility to 1/4 NM or less. During the Small Craft Advisory,
expect sustained winds up to 21 knots from the south with
gusts up to 28 knots. The largest significant waves will be 5
feet with a potential maximum wave height of 7 feet.
* WHERE...Harbor Beach to Port Sanilac MI and Port Sanilac to
Port Huron MI.
* WHEN...During the Dense Fog Advisory, from 4 AM to 4 PM EDT
Saturday. During the Small Craft Advisory, the maximum winds
are expected around 8 AM EDT Saturday with the largest waves
expected around 8 AM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft. Low
visibility will make navigation difficult.
Recommendations
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
If you must navigate, proceed with caution. Use proper fog
signals. Make sure all running lights are on. Remember to use
your radar and compass.