831  
WHUS73 KLOT 171548  
MWWLOT  
 
URGENT - MARINE WEATHER MESSAGE  
NATIONAL WEATHER SERVICE CHICAGO IL  
1048 AM CDT THU SEP 17 2026  
 
LMZ740-172000-  
/O.NEW.KLOT.MF.Y.0013.260917T1548Z-260917T2000Z/  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
1048 AM CDT THU SEP 17 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CDT THIS AFTERNOON
 
 
* WHAT...DENSE FOG WILL REDUCE VISIBILITY TO LESS THAN 1 MILE AT  
TIMES INTO THIS AFTERNOON.  
 
* WHERE...WINTHROP HARBOR TO WILMETTE HARBOR IL.  
 
* WHEN...UNTIL 3 PM CDT THIS AFTERNOON.  
 
* IMPACTS...LOW VISIBILITY WILL MAKE NAVIGATION DIFFICULT.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
IF YOU MUST NAVIGATE, PROCEED WITH CAUTION. USE PROPER FOG  
SIGNALS. MAKE SURE ALL RUNNING LIGHTS ARE ON. REMEMBER TO USE  
YOUR RADAR AND COMPASS.  
 

 
 

 
 
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