916  
FZUS53 KLOT 302012  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
312 PM CDT MON JUN 30 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>742-010315-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
312 PM CDT MON JUN 30 2025  
   
TONIGHT
 
EAST WINDS 5 TO 10 KT BECOMING NORTHWEST 10 TO 15 KT  
LATE. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES  
AROUND 1 FT.    
TUESDAY
 
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST AROUND 10  
KT IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FT.    
TUESDAY NIGHT
 
SOUTH WINDS 5 TO 10 KT BECOMING WEST OVERNIGHT.  
CLEAR. WAVES 1 FT OR LESS.    
WEDNESDAY
 
WEST WINDS 5 TO 10 KT. MOSTLY SUNNY. WAVES 1 FT OR  
LESS.  
 

 
 
LMZ743>745-010315-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
312 PM CDT MON JUN 30 2025  
   
TONIGHT
 
NORTHEAST WINDS AROUND 10 KT BECOMING NORTHWEST 10 TO  
15 KT LATE IN THE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS IN  
THE EVENING. WAVES 1 TO 2 FT.    
TUESDAY
 
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 3 FT.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST  
OVERNIGHT. CLEAR. WAVES 1 FT OR LESS.    
WEDNESDAY
 
WEST WINDS 5 TO 10 KT BECOMING NORTH IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES 1 FT OR LESS.  
 

 
 
KJB  
 
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