485  
WHUS73 KLOT 262359  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
659 PM CDT SAT APR 26 2025  
 
LMZ740>742-270100-  
/O.EXP.KLOT.SC.Y.0054.000000T0000Z-250427T0000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
659 PM CDT SAT APR 26 2025  
   
..SMALL CRAFT ADVISORY WILL EXPIRE AT 7 PM CDT THIS EVENING
 
 
CONDITIONS HAVE SUBSIDED TO BELOW ADVISORY CRITERIA. THEREFORE,  
THE ADVISORY WILL BE ALLOWED TO EXPIRE.  
 

 
 
LMZ743>745-270300-  
/O.CON.KLOT.SC.Y.0054.000000T0000Z-250427T0300Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
659 PM CDT SAT APR 26 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THIS  
EVENING...  
 
* WHAT...SIGNIFICANT WAVES TO 6 FT OCCASIONALLY TO 8 FT.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...UNTIL 10 PM CDT THIS EVENING.  
 
* 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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