106  
FZUS53 KLOT 172024  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
324 PM CDT WED SEP 17 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>742-180330-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
324 PM CDT WED SEP 17 2025  
   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTH LATE. MOSTLY  
CLEAR. WAVES 1 FT OR LESS.    
THURSDAY
 
SOUTH WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT IN  
THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FT.    
THURSDAY NIGHT
 
NORTHEAST WINDS AROUND KT. MOSTLY CLEAR IN THE  
EVENING, THEN BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FT.    
FRIDAY
 
EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. PARTLY  
CLOUDY. WAVES 1 TO 3 FT.  
 

 
 
LMZ743>745-180330-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
324 PM CDT WED SEP 17 2025  
   
TONIGHT
 
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST LESS  
LATE. MOSTLY CLEAR. WAVES 1 FT OR LESS.    
THURSDAY
 
SOUTH WINDS 5 TO 10 KT BECOMING NORTHEAST IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FT.    
THURSDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST.  
MOSTLY CLEAR. WAVES AROUND 1 FT.    
FRIDAY
 
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST AROUND 10 KT  
IN THE AFTERNOON. MOSTLY SUNNY IN THE MORNING, THEN BECOMING  
PARTLY CLOUDY. WAVES 1 TO 2 FT.  
 

 
 
RC  
 
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