407  
WHUS73 KLOT 171950  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
250 PM CDT THU SEP 17 2026  
 
LMZ740-180400-  
/O.EXP.KLOT.MF.Y.0013.000000T0000Z-260917T2000Z/  
/O.NEW.KLOT.SC.Y.0081.260918T1200Z-260918T2000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
250 PM CDT THU SEP 17 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM TO 3 PM CDT FRIDAY  
   
..DENSE FOG ADVISORY WILL EXPIRE AT 3 PM CDT THIS AFTERNOON  
 
* WHAT...EAST WINDS TO 20 KT. SIGNIFICANT WAVES TO 6 FT  
OCCASIONALLY TO 8 FT EXPECTED.  
 
* WHERE...WINTHROP HARBOR TO WILMETTE HARBOR IL.  
 
* WHEN...FROM 7 AM TO 3 PM CDT FRIDAY.  
 
* 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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