163  
WHUS73 KLOT 050339  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
939 PM CST THU DEC 4 2025  
 
LMZ740-051145-  
/O.CON.KLOT.SC.Y.0108.251205T0600Z-251206T0600Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
939 PM CST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST  
FRIDAY NIGHT...  
 
* WHAT...SOUTHWEST WINDS TO 25 KT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO WILMETTE HARBOR IL.  
 
* WHEN...FROM MIDNIGHT TONIGHT TO MIDNIGHT CST FRIDAY NIGHT.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
LMZ741>745-051145-  
/O.CON.KLOT.SC.Y.0108.251205T1800Z-251206T0600Z/  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
939 PM CST THU DEC 4 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM NOON FRIDAY TO  
MIDNIGHT CST FRIDAY NIGHT...  
 
* WHAT...SOUTHWEST WINDS TO 25 KT EXPECTED.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN, AND WILMETTE  
HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FROM NOON FRIDAY TO MIDNIGHT CST FRIDAY NIGHT.  
 
* 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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