862
WHUS73 KMQT 200256
MWWMQT

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
1056 PM EDT Tue Aug 19 2025

LSZ263-264-266-200800-
/O.EXT.KMQT.MF.Y.0019.000000T0000Z-250820T0800Z/
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 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-
1056 PM EDT Tue Aug 19 2025

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 4 AM EDT WEDNESDAY...

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

* WHERE...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 and 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.

* WHEN...Until 4 AM EDT Wednesday.

* 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.

&&

$$