253  
WHUS73 KMQT 160242  
MWWMQT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MARQUETTE MI  
1042 PM EDT TUE SEP 15 2026  
 
LSZ251-161200-  
/O.EXT.KMQT.SC.Y.0136.000000T0000Z-260916T1200Z/  
GRAND MARAIS TO WHITEFISH POINT MI-  
1042 PM EDT TUE SEP 15 2026  
   
..SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 8 AM EDT WEDNESDAY
 
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 30 KT AND  
WAVES 5 TO 8 FT OCCURRING.  
 
* WHERE...GRAND MARAIS TO WHITEFISH POINT MI.  
 
* WHEN...UNTIL 8 AM EDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ242>244-160600-  
/O.CON.KMQT.SC.Y.0136.000000T0000Z-260916T0600Z/  
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-  
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-  
EAGLE RIVER TO MANITOU ISLAND MI-  
1042 PM EDT TUE SEP 15 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 AM EDT  
WEDNESDAY...  
 
* WHAT...WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND WAVES  
3 TO 6 FT OCCURRING.  
 
* WHERE...ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI, UPPER  
ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI AND EAGLE RIVER TO  
MANITOU ISLAND MI.  
 
* WHEN...UNTIL 2 AM EDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ245>248-160400-  
/O.CON.KMQT.SC.Y.0136.000000T0000Z-260916T0400Z/  
MANITOU ISLAND TO POINT ISABELLE MI-  
POINT ISABELLE TO LOWER ENTRANCE OF PORTAGE CANAL MI-  
LOWER ENTRANCE OF PORTAGE CANAL TO HURON ISLANDS MI INCLUDING  
KEWEENAW AND HURON BAYS-HURON ISLANDS TO MARQUETTE MI-  
1042 PM EDT TUE SEP 15 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT  
TONIGHT...  
 
* WHAT...WEST WINDS 10 TO 15 KT WITH GUSTS UP TO 30 KT AND WAVES  
1 TO 3 FT OCCURRING.  
 
* WHERE...MANITOU ISLAND TO POINT ISABELLE MI, POINT ISABELLE TO  
LOWER ENTRANCE OF PORTAGE CANAL MI, LOWER ENTRANCE OF PORTAGE  
CANAL TO HURON ISLANDS MI INCLUDING KEWEENAW AND HURON BAYS  
AND HURON ISLANDS TO MARQUETTE MI.  
 
* WHEN...UNTIL MIDNIGHT EDT TONIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ249-160400-  
/O.CON.KMQT.SC.Y.0136.000000T0000Z-260916T0400Z/  
MARQUETTE TO MUNISING MI-  
1042 PM EDT TUE SEP 15 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EDT  
TONIGHT...  
 
* WHAT...NORTHWEST WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT AND  
WAVES 2 TO 5 FT OCCURRING.  
 
* WHERE...MARQUETTE TO MUNISING MI.  
 
* WHEN...UNTIL MIDNIGHT EDT TONIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ250-160900-  
/O.CON.KMQT.SC.Y.0136.000000T0000Z-260916T0900Z/  
MUNISING TO GRAND MARAIS MI-  
1042 PM EDT TUE SEP 15 2026  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EDT  
WEDNESDAY...  
 
* WHAT...NORTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 5 TO 8 FT OCCURRING.  
 
* WHERE...MUNISING TO GRAND MARAIS MI.  
 
* WHEN...UNTIL 5 AM EDT WEDNESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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