389  
FZUS53 KLOT 260022 AAA  
NSHLOT  
 
NEARSHORE MARINE FORECAST...UPDATED  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
722 PM CDT WED JUN 25 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>742-260315-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
722 PM CDT WED JUN 25 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT THURSDAY  
 
   
TONIGHT  
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTH LATE. AREAS  
OF DENSE FOG. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING. WAVES 1 TO 2 FT.    
THURSDAY  
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 2 FT.   
THURSDAY NIGHT  
SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES 1 TO 2 FT.    
FRIDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1  
FT.  
 
 
 
LMZ743>745-260315-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
722 PM CDT WED JUN 25 2025  
   
TONIGHT  
NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTH LATE. AREAS  
OF FOG IN THE EVENING. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES AROUND 1 FT.   
THURSDAY  
SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1  
FT.    
THURSDAY NIGHT  
SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES AROUND 1 FT.    
FRIDAY  
SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST IN THE  
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1  
FT.  
 
 
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