* WHAT...For the Dense Fog Advisory, dense fog will reduce visibility to less than one nautical mile. For the Small Craft Advisory, south winds 15 to 20 kt with gusts up to 30 kt and waves 2 to 4 ft expected.
* WHERE...5NM East of a line from Fairport MI to Rock Island Passage.
* WHEN...For the Dense Fog Advisory, until 5 PM EDT this afternoon. For the Small Craft Advisory, until 11 PM EDT this evening.
* IMPACTS...Conditions will be hazardous to small craft. Low visibility will make navigation difficult.