186  
FZUS53 KLOT 140220  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
920 PM CDT SAT SEP 13 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH  
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVES, ALONG WITH THE  
AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL  
OCCASIONALLY BE ENCOUNTERED.  
 
LMZ740>742-141000-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
920 PM CDT SAT SEP 13 2025  
   
REST OF TONIGHT
 
SOUTHEAST WINDS AROUND 10 KT. PARTLY CLOUDY.  
WAVES 1 TO 2 FT.    
SUNDAY
 
EAST WINDS AROUND 10 KT BECOMING NORTHEAST LATE. MOSTLY  
SUNNY. WAVES 1 TO 2 FT.    
SUNDAY NIGHT
 
NORTHEAST WINDS 10 TO 15 KT BECOMING EAST  
OVERNIGHT. CLEAR. WAVES 1 TO 2 FT.    
MONDAY
 
SOUTHEAST WINDS AROUND 10 KT BECOMING EAST IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 3 FT.  
 

 
 
LMZ743>745-141000-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
920 PM CDT SAT SEP 13 2025  
   
REST OF TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KT. PARTLY CLOUDY.  
WAVES AROUND 1 FT.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KT BECOMING NORTHEAST LATE.  
MOSTLY SUNNY. WAVES 1 TO 2 FT.    
SUNDAY NIGHT
 
NORTHEAST WINDS AROUND 10 KT BECOMING SOUTHEAST  
OVERNIGHT. CLEAR. WAVES 1 TO 2 FT.    
MONDAY
 
SOUTHEAST WINDS AROUND 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FT.  
 

 
 
CARLAW  
 
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