Watches, Warnings & Advisories

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One product found for Marine Zone: LSZ162

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Dense Fog Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
110 AM EDT Fri Oct 23 2026

LSZ162-263-264-231500-
/O.CON.KMQT.MF.Y.0036.000000T0000Z-261023T1500Z/
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-
110 AM EDT Fri Oct 23 2026 /1210 AM CDT Fri Oct 23 2026/

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EDT /10 AM
CDT/ THIS MORNING...

* 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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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