736  
WHUS73 KLOT 260242  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
942 PM CDT SAT OCT 25 2025  
 
LMZ740>742-261100-  
/O.NEW.KLOT.SC.Y.0094.251027T0300Z-251029T0000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
942 PM CDT SAT OCT 25 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM SUNDAY TO 7 PM CDT  
TUESDAY...  
 
* WHAT...EAST TO SOUTHEAST WINDS TO 25 KT AND SIGNIFICANT WAVES  
TO 7 FT OCCASIONALLY TO 9 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FROM 10 PM SUNDAY TO 7 PM CDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...HAZARDOUS CONDITIONS WILL LIKELY CONTINUE  
BEYOND TUESDAY EVENING.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 

 
 

 
 
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