451  
FZUS53 KLOT 201539  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
939 AM CST MON JAN 20 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>743-202215-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-  
939 AM CST MON JAN 20 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
WEST WINDS 20 TO 25 KT. MOSTLY SUNNY LATE IN THE  
MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 2 TO 4 FT.    
TONIGHT
 
WEST WINDS 20 TO 25 KT DECREASING TO 15 TO 25 KT AFTER  
MIDNIGHT. OCCASIONAL FLURRIES. WAVES 2 TO 4 FT.    
TUESDAY
 
WEST WINDS 15 TO 20 KT. MOSTLY SUNNY. WAVES 1 TO 3 FT.   
TUESDAY NIGHT
 
SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH AND  
INCREASING TO 30 KT. MOSTLY CLEAR IN THE EVENING, THEN BECOMING  
MOSTLY CLOUDY. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
 
LMZ744-745-202215-  
GARY TO BURNS HARBOR IN-BURNS HARBOR TO MICHIGAN CITY IN-  
939 AM CST MON JAN 20 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TODAY
 
WEST WINDS 20 TO 25 KT. MOSTLY SUNNY LATE IN THE  
MORNING, THEN BECOMING PARTLY CLOUDY. WAVES 3 TO 6 FT OCCASIONALLY  
TO 8 FT.   
TONIGHT
 
WEST WINDS 20 TO 25 KT DIMINISHING TO 15 TO 25 KT.  
OCCASIONAL FLURRIES. WAVES 3 TO 5 FT.    
TUESDAY
 
WEST WINDS 15 TO 20 KT. ISOLATED SNOW SHOWERS. WAVES  
3 TO 5 FT SUBSIDING TO 2 TO 4 FT.    
TUESDAY NIGHT
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH AND  
INCREASING TO 15 TO 25 KT. MOSTLY CLEAR IN THE EVENING, THEN  
BECOMING PARTLY CLOUDY. WAVES 1 TO 3 FT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
 
YACK  
 
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