449  
WHUS73 KMQT 162021  
MWWMQT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MARQUETTE MI  
421 PM EDT MON JUN 16 2025  
 
LSZ241-242-170830-  
/O.NEW.KMQT.SC.Y.0113.250617T0900Z-250617T1500Z/  
BLACK RIVER TO ONTONAGON MI-  
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-  
421 PM EDT MON JUN 16 2025 /321 PM CDT MON JUN 16 2025/  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 5 AM EDT /4 AM CDT/ TO  
11 AM EDT /10 AM CDT/ TUESDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 1 TO 4 FT EXPECTED.  
 
* WHERE...BLACK RIVER TO ONTONAGON MI AND ONTONAGON TO UPPER  
ENTRANCE OF PORTAGE CANAL MI.  
 
* WHEN...FROM 5 AM EDT /4 AM CDT/ TO 11 AM EDT /10 AM CDT/  
TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ243-244-170830-  
/O.NEW.KMQT.SC.Y.0113.250617T1200Z-250617T2200Z/  
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-  
EAGLE RIVER TO MANITOU ISLAND MI-  
421 PM EDT MON JUN 16 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT FROM 8 AM TO 6 PM EDT TUESDAY
 
 
* WHAT...WEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND WAVES  
3 TO 5 FT EXPECTED.  
 
* WHERE...UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI AND  
EAGLE RIVER TO MANITOU ISLAND MI.  
 
* WHEN...FROM 8 AM TO 6 PM EDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LSZ245-170830-  
/O.NEW.KMQT.SC.Y.0113.250617T0400Z-250617T1600Z/  
MANITOU ISLAND TO POINT ISABELLE MI-  
421 PM EDT MON JUN 16 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON  
EDT TUESDAY...  
 
* WHAT...SOUTH WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 2 TO 4 FT EXPECTED.  
 
* WHERE...MANITOU ISLAND TO POINT ISABELLE MI.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO NOON EDT TUESDAY.  
 
* 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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