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

Status In Progress Started about 1 hour ago

Ends Oct 23, 10:00 AM CDT

Issued Oct 23, 12:10 AM CDT

Severity Minor

Urgency Expected

Certainty Likely

Details

* WHAT...Dense fog will reduce visibility to less than one nautical mile.

* WHERE...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 and Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border.

* WHEN...Until 11 AM EDT /10 AM CDT/ this morning.

* IMPACTS...Low visibility will make navigation difficult.

Instructions

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.

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Data from the National Weather Service

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