981  
WHUS73 KLOT 060841  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
341 AM CDT MON OCT 6 2025  
 
LMZ740>742-061645-  
/O.NEW.KLOT.SC.Y.0086.251007T0600Z-251008T2000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
341 AM CDT MON OCT 6 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM TUESDAY TO 3 PM CDT  
WEDNESDAY...  
 
* WHAT...NORTH WINDS TO 25 KT AND SIGNIFICANT WAVES TO 7 FT  
OCCASIONALLY TO 9 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FROM 1 AM TUESDAY TO 3 PM CDT 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.  
 
 
 
 
 
LMZ743>745-061645-  
/O.NEW.KLOT.SC.Y.0086.251007T0900Z-251008T1500Z/  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
341 AM CDT MON OCT 6 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TUESDAY TO 10 AM CDT  
WEDNESDAY...  
 
* WHAT...NORTH WINDS TO 25 KT AND SIGNIFICANT WAVES TO 7 FT  
OCCASIONALLY TO 9 FT EXPECTED.  
 
* WHERE...CALUMET HARBOR IL TO MICHIGAN CITY IN.  
 
* WHEN...FROM 4 AM TUESDAY TO 10 AM CDT 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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