249  
FZUS53 KLOT 160605 AAB  
NSHLOT  
 
NEARSHORE MARINE FORECAST...UPDATED  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
105 AM CDT FRI MAY 16 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>743-160915-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
105 AM CDT FRI MAY 16 2025  
 
...GALE WARNING IN EFFECT FROM NOON CDT TODAY THROUGH THIS  
EVENING...  
   
REST OF TONIGHT
 
WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST.  
CLEAR. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
FRIDAY
 
SOUTH WINDS 15 TO 20 KT INCREASING TO 35 KT GALES.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.   
FRIDAY NIGHT
 
SOUTHWEST GALES TO 35 KT BECOMING WEST AND  
DIMINISHING TO 15 TO 20 KT OVERNIGHT. CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO  
8 FT SUBSIDING TO 1 TO 3 FT.    
SATURDAY
 
WEST WINDS 20 TO 25 KT. MOSTLY CLOUDY IN THE  
MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FT.  
 

 
 
LMZ744-745-160915-  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
105 AM CDT FRI MAY 16 2025  
   
REST OF TONIGHT
 
SOUTHWEST WINDS 10 TO 20 KT. CLEAR. WAVES  
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
FRIDAY
 
SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1  
TO 3 FT BUILDING TO 2 TO 4 FT.    
FRIDAY NIGHT
 
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND  
DIMINISHING TO 15 TO 20 KT OVERNIGHT. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FT.    
SATURDAY
 
WEST WINDS 20 TO 25 KT. PARTLY CLOUDY. WAVES 2 TO  
4 FT.  
 

 
 
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