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Dense Fog Advisory

Active

Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM; Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park; Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border; Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore; Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore

Status In Progress Started about 2 hours ago
Ends
Issued
Severity Minor
Urgency Expected
Certainty Likely

Details

* WHAT...Dense fog will reduce visibility to less than one nautical mile.
* WHERE...Portions of Central, Eastern and Western Lake Superior.
* WHEN...Until 8 AM EDT /7 AM CDT/ Thursday.
* IMPACTS...Low visibility will make navigation difficult.
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Data from the National Weather Service
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