* WHAT...Dense fog will reduce visibility to 1 NM or less.
* WHERE...Two Harbors to Duluth MN and Duluth MN to Port Wing WI.
* WHEN...Until 10 PM CDT this evening.
* IMPACTS...Low visibility will make navigation difficult.
* ADDITIONAL DETAILS...The low visibility is currently limited to the Duluth-Superior area with better conditions away from the Twin Ports.