796  
FZUS53 KLOT 272012  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
312 PM 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>742-280315-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
312 PM CDT THU MAR 27 2025  
 
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY  
NIGHT...  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTHEAST.  
SCATTERED SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3  
FT.    
FRIDAY
 
SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST AND  
INCREASING TO 35 KT GALES IN THE AFTERNOON. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT BUILDING TO 3 TO 5  
FT.    
FRIDAY NIGHT
 
SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT.  
INCREASING CLOUDINESS. WAVES 3 TO 5 FT.    
SATURDAY
 
SOUTHWEST WINDS 15 TO 20 KT BECOMING NORTH IN THE  
AFTERNOON. SHOWERS. PATCHY FOG IN THE AFTERNOON. WAVES 3 TO 5 FT.  
 

 
 
LMZ743>745-280315-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
312 PM CDT THU MAR 27 2025  
 
...GALE WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY  
NIGHT...  
   
TONIGHT
 
SOUTHWEST WINDS 10 TO 15 KT. SCATTERED SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT. WAVES AROUND 1 FT.    
FRIDAY
 
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST AND  
INCREASING TO 35 KT GALES. SCATTERED SHOWERS AND THUNDERSTORMS IN  
THE MORNING. WAVES 1 TO 2 FT BUILDING TO 3 TO 5 FT.    
FRIDAY NIGHT
 
SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT.  
MOSTLY CLEAR. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT.    
SATURDAY
 
SOUTHWEST WINDS 15 TO 20 KT. CHANCE OF SHOWERS IN THE  
AFTERNOON. WAVES 2 TO 4 FT.  
 

 
 
BORCHARDT  
 
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