902  
FZUS53 KLOT 041424  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
924 AM CDT SAT OCT 4 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>742-042115-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
924 AM CDT SAT OCT 4 2025  
   
REST OF TODAY
 
SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTH 10  
TO 20 KT. MOSTLY SUNNY. WAVES 1 TO 3 FT.    
TONIGHT
 
SOUTH WINDS 10 TO 20 KT. CLEAR. WAVES 1 TO 3 FT.    
SUNDAY
 
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST AND  
INCREASING TO 15 TO 25 KT. MOSTLY SUNNY. WAVES 1 TO 3 FT BUILDING  
TO 2 TO 4 FT.   
SUNDAY NIGHT
 
SOUTHWEST WINDS 15 TO 20 KT. MOSTLY CLEAR. WAVES  
2 TO 4 FT.  
 

 
 
LMZ743>745-042115-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
924 AM CDT SAT OCT 4 2025  
   
THE REST OF TODAY AND TONIGHT
 
SOUTH WINDS 10 TO 15 KT. MOSTLY  
SUNNY. WAVES 1 TO 2 FT.   
SUNDAY AND SUNDAY NIGHT
 
SOUTH WINDS 10 TO 20 KT. MOSTLY CLEAR.  
WAVES 1 TO 3 FT.  
 

 
KJB  
 
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