975  
FZUS53 KLOT 050231  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
931 PM CDT WED JUN 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>742-050930-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
931 PM CDT WED JUN 4 2025  
   
REST OF TONIGHT  
NORTH WINDS 5 TO 10 KT INCREASING TO 10 TO  
15 KT AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS LATE IN THE  
EVENING MAINLY SOUTH OF DOWNTOWN CHICAGO. PATCHY FOG. WAVES 1 TO  
3 FT.   
THURSDAY  
NORTH WINDS 15 TO 20 KT. PATCHY FOG AND SMOKE IN THE  
MORNING, THEN PATCHY SMOKE IN THE AFTERNOON. WAVES 1 TO 3 FT  
BUILDING TO 2 TO 4 FT.   
THURSDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO  
10 KT. MOSTLY CLOUDY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FT.  
 
 
 
LMZ743>745-050930-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
931 PM CDT WED JUN 4 2025  
   
REST OF TONIGHT  
NORTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15  
KT AFTER MIDNIGHT. PATCHY FOG. SHOWERS LIKELY LATE IN THE  
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 3  
FT.   
THURSDAY  
NORTH WINDS 15 TO 20 KT. PATCHY SMOKE IN THE MORNING.  
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.    
THURSDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO  
10 KT. MOSTLY CLOUDY. WAVES 2 TO 4 FT SUBSIDING 1 TO 3 FT.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 15 KT.  
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FT.  
 
 
 
RATZER  
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