263  
FZUS53 KLOT 180919  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
319 AM CST TUE FEB 18 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>742-181645-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
319 AM CST TUE FEB 18 2025  
   
TODAY  
NORTHWEST WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.  
MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY CLOUDY. WAVES  
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
TONIGHT  
NORTHWEST WINDS 10 TO 15 KT. MOSTLY CLOUDY. WAVES 1 TO  
3 FT.    
WEDNESDAY  
NORTHWEST WINDS 10 TO 15 KT. A CHANCE OF FLURRIES IN  
THE AFTERNOON. WAVES 1 TO 3 FT.    
WEDNESDAY NIGHT  
NORTHWEST WINDS 15 TO 20 KT. CHANCE OF SNOW IN  
THE EVENING, THEN A CHANCE OF FLURRIES OVERNIGHT. WAVES 1 TO  
3 FT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
 
LMZ743>745-181645-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
319 AM CST TUE FEB 18 2025  
   
TODAY  
NORTHWEST WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.  
CHANCE OF SNOW. WAVES 3 TO 5 FT.    
TONIGHT  
NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SNOW.  
WAVES 2 TO 4 FT.    
WEDNESDAY  
NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SNOW.  
WAVES 2 TO 4 FT.    
WEDNESDAY NIGHT  
NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW.  
WAVES 2 TO 4 FT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
 
PETR  
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