Dense Fog Advisory issued April 17 at 2:49AM EDT until April 17 at 10:00AM EDT by NWS Detroit/Pontiac MI
Details
* WHAT...Dense fog will reduce visibility to 1/4 NM or less.
* WHERE...In Lake St Clair, Lake St Clair. In Lake Huron, Lake
Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore, Lake Huron from Presque Isle Light to
Sturgeon Point MI beyond 5NM off shore, Lake Huron from
Sturgeon Point to Alabaster MI beyond 5NM off shore and Lake
Huron from Port Austin to Harbor Beach beyond 5NM Off Shore.
* WHEN...Until 10 AM EDT this morning.
* IMPACTS...Low visibility will make navigation difficult.
Recommendations
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.