053  
FZUS53 KLOT 271414  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
914 AM CDT THU MAR 27 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>742-272115-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
914 AM CDT THU MAR 27 2025  
 
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY  
NIGHT...  
   
REST OF TODAY
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH LATE.  
SCATTERED SPRINKLES. WAVES AROUND 1 FT.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 20 KT. SCATTERED SHOWERS AND  
THUNDERSTORMS OVERNIGHT. WAVES AROUND 1 FT BUILDING TO 1 TO 3 FT.    
FRIDAY
 
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST AND  
INCREASING TO 35 KT GALES IN THE AFTERNOON. NUMEROUS SHOWERS AND A  
CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES 2 TO 4 FT BUILDING  
TO 3 TO 5 FT.    
FRIDAY NIGHT
 
SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT  
LATE. MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY.  
WAVES 3 TO 5 FT.  
 

 
 
LMZ743>745-272115-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
914 AM CDT THU MAR 27 2025  
 
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY  
NIGHT...  
   
REST OF TODAY
 
SOUTH WINDS 10 TO 15 KT. SCATTERED SPRINKLES.  
WAVES AROUND 1 FT.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 20 KT. SCATTERED SHOWERS AND  
THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.    
FRIDAY
 
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST AND  
INCREASING TO 35 KT GALES IN THE AFTERNOON. NUMEROUS SHOWERS AND  
A CHANCE OF THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS  
IN THE AFTERNOON. WAVES 1 TO 2 FT BUILDING TO 3 TO 5 FT.   
FRIDAY NIGHT
 
SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT  
LATE. MOSTLY CLEAR IN THE EVENING, THEN BECOMING PARTLY CLOUDY.  
WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.  
 

 
 
BORCHARDT  
 
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