Dense Fog Advisory

URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
820 PM EDT Mon Jun 16 2025

LSZ162-263-264-171200-
/O.NEW.KMQT.MF.Y.0011.250617T0020Z-250617T1200Z/
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-
820 PM EDT Mon Jun 16 2025 /720 PM CDT Mon Jun 16 2025/

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM EDT /7 AM CDT/
TUESDAY...

* 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 8 AM EDT /7 AM CDT/ Tuesday.

* 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.

&&

$$

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
725 PM CDT Mon Jun 16 2025

LSZ121-140>148-150-171200-
/O.NEW.KDLH.MF.Y.0012.250617T0025Z-250617T1200Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
725 PM CDT Mon Jun 16 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT TUESDAY...

* WHAT...Dense fog will reduce visibility as low as one half
  mile.

* WHERE...Portions of Lake Superior.

* WHEN...Until 7 AM CDT Tuesday.

* 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.

&&

$$