345  
WHUS73 KMQT 211457  
MWWMQT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE MARQUETTE MI  
957 AM EST FRI FEB 21 2025  
 
LSZ263-264-212300-  
/O.CON.KMQT.GL.W.0013.250222T0000Z-250222T0600Z/  
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-  
957 AM EST FRI FEB 21 2025  
 
...GALE WARNING REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 1 AM  
EST SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT AND  
WAVES 7 TO 10 FT EXPECTED.  
 
* 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 AND LAKE SUPERIOR FROM  
UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU ISLAND MI 5NM OFF  
SHORE TO THE US/CANADIAN BORDER.  
 
* WHEN...FROM 7 PM THIS EVENING TO 1 AM EST SATURDAY.  
 
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS WAVES WHICH COULD  
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MARINERS SHOULD ALTER PLANS TO AVOID THESE HAZARDOUS CONDITIONS.  
REMAIN IN PORT, SEEK SAFE HARBOR, ALTER COURSE, AND/OR SECURE THE  
VESSEL FOR HAZARDOUS CONDITIONS.  
 
 
 
 
 
LSZ240-241-212300-  
/O.CON.KMQT.SC.Y.0039.250221T1800Z-250222T1200Z/  
SAXON HARBOR WI TO BLACK RIVER MI-BLACK RIVER TO ONTONAGON MI-  
957 AM EST FRI FEB 21 2025 /857 AM CST FRI FEB 21 2025/  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM EST /NOON  
CST/ THIS AFTERNOON TO 7 AM EST /6 AM CST/ SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 10 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 1 TO 2 FT EXPECTED.  
 
* WHERE...SAXON HARBOR WI TO BLACK RIVER MI AND BLACK RIVER TO  
ONTONAGON MI.  
 
* WHEN...FROM 1 PM EST /NOON CST/ THIS AFTERNOON TO 7 AM EST /6  
AM CST/ SATURDAY.  
 
* 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>244-212300-  
/O.CON.KMQT.SC.Y.0039.250221T1800Z-250223T0000Z/  
ONTONAGON TO UPPER ENTRANCE OF PORTAGE CANAL MI-  
UPPER ENTRANCE OF PORTAGE CANAL TO EAGLE RIVER MI-  
EAGLE RIVER TO MANITOU ISLAND MI-  
957 AM EST FRI FEB 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS  
AFTERNOON TO 7 PM EST SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND  
WAVES 5 TO 8 FT EXPECTED.  
 
* 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...FROM 1 PM THIS AFTERNOON TO 7 PM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LSZ250-251-212300-  
/O.CON.KMQT.SC.Y.0039.250222T0000Z-250222T0600Z/  
MUNISING TO GRAND MARAIS MI-GRAND MARAIS TO WHITEFISH POINT MI-  
957 AM EST FRI FEB 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING  
TO 1 AM EST SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT AND  
WAVES 1 FOOT OR LESS EXPECTED.  
 
* WHERE...MUNISING TO GRAND MARAIS MI AND GRAND MARAIS TO  
WHITEFISH POINT MI.  
 
* WHEN...FROM 7 PM THIS EVENING TO 1 AM EST SATURDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LMZ248-250-212300-  
/O.CON.KMQT.SC.Y.0039.250222T0000Z-250222T1200Z/  
SEUL CHOIX POINT TO POINT DETOUR MI-  
5NM EAST OF A LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE-  
957 AM EST FRI FEB 21 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING  
TO 7 AM EST SATURDAY...  
 
* WHAT...SOUTHWEST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND  
WAVES 1 TO 2 FT EXPECTED.  
 
* WHERE...SEUL CHOIX POINT TO POINT DETOUR MI AND 5NM EAST OF A  
LINE FROM FAIRPORT MI TO ROCK ISLAND PASSAGE.  
 
* WHEN...FROM 7 PM THIS EVENING TO 7 AM EST SATURDAY.  
 
* 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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