789  
WHUS73 KLOT 270258  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
958 PM CDT SUN OCT 26 2025  
 
LMZ740-271100-  
/O.CON.KLOT.SC.Y.0094.251027T0300Z-251029T0000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
958 PM CDT SUN OCT 26 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT  
TUESDAY...  
 
* WHAT...EAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 8 FT  
OCCASIONALLY TO 10 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO WILMETTE HARBOR IL.  
 
* WHEN...FROM 10 PM THIS EVENING TO 7 PM CDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...HAZARDOUS CONDITIONS FOR SMALL CRAFT WILL  
CONTINUE BEYOND THE EXPIRATION TIME OF THIS PRODUCT. AN  
EXTENSION IN THE PRODUCT TIME IS LIKELY IN A LATER FORECAST  
PACKAGE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
 
LMZ741-742-271100-  
/O.CON.KLOT.SC.Y.0094.251027T0300Z-251029T0000Z/  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
958 PM CDT SUN OCT 26 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT  
TUESDAY...  
 
* WHAT...EAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 7 FT  
OCCASIONALLY TO 9 FT EXPECTED.  
 
* WHERE...WILMETTE HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...FROM 10 PM THIS EVENING TO 7 PM CDT TUESDAY.  
 
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.  
 
* ADDITIONAL DETAILS...HAZARDOUS CONDITIONS FOR SMALL CRAFT WILL  
CONTINUE BEYOND THE EXPIRATION TIME OF THIS PRODUCT. AN  
EXTENSION IN THE PRODUCT TIME IS LIKELY IN A LATER FORECAST  
PACKAGE.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER  
VESSELS, SHOULD AVOID NAVIGATING IN HAZARDOUS CONDITIONS.  
 
 
 
 
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