417  
FZUS53 KLOT 061456  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
956 AM CDT WED AUG 6 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>742-062115-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
956 AM CDT WED AUG 6 2025  
   
REST OF TODAY
 
SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO  
15 KT THIS AFTERNOON. MOSTLY SUNNY LATE IN THE MORNING, THEN  
BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FT.    
TONIGHT
 
EAST WINDS 5 TO 10 KT BECOMING SOUTH OVERNIGHT. PARTLY  
CLOUDY. WAVES 1 TO 2 FT.    
THURSDAY
 
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT  
IN THE AFTERNOON. PARTLY CLOUDY. WAVES AROUND 1 FT.    
THURSDAY NIGHT
 
SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF  
SHOWERS. WAVES AROUND 1 FT.  
 

 
 
LMZ743>745-062115-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
956 AM CDT WED AUG 6 2025  
   
REST OF TODAY
 
EAST WINDS 5 TO 10 KT BECOMING NORTHEAST LATE.  
MOSTLY SUNNY. WAVES 1 TO 2 FT.    
TONIGHT
 
EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST OVERNIGHT.  
PARTLY CLOUDY. WAVES 1 TO 2 FT.    
THURSDAY
 
SOUTH WINDS 5 TO 10 KT BECOMING EAST IN THE  
AFTERNOON. PARTLY CLOUDY. WAVES AROUND 1 FT.    
THURSDAY NIGHT
 
SOUTH WINDS 5 TO 10 KT. PARTLY CLOUDY IN THE  
EVENING, THEN BECOMING MOSTLY CLOUDY. WAVES AROUND 1 FT.  
 

 
 
YACK  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page