589  
WHUS73 KLOT 271442  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
942 AM CDT MON OCT 27 2025  
 
LMZ740-272245-  
/O.CON.KLOT.SC.Y.0094.000000T0000Z-251029T1200Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
942 AM CDT MON OCT 27 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT  
WEDNESDAY...  
 
* WHAT...EAST WINDS TO 30 KT AND SIGNIFICANT WAVES TO 10 FT  
OCCASIONALLY TO 13 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO WILMETTE HARBOR IL.  
 
* WHEN...UNTIL 7 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.  
 

 
 

 
 
LMZ741-742-272245-  
/O.CON.KLOT.SC.Y.0094.000000T0000Z-251029T1200Z/  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
942 AM CDT MON OCT 27 2025  
 
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT  
WEDNESDAY...  
 
* WHAT...EAST WINDS TO 25 KT AND SIGNIFICANT WAVES TO 9 FT  
OCCASIONALLY TO 12 FT EXPECTED.  
 
* WHERE...WILMETTE HARBOR TO CALUMET HARBOR IL.  
 
* WHEN...UNTIL 7 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.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page