891  
FZUS53 KLOT 090852  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
352 AM CDT THU MAY 9 2024  
 
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>742-091515-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
352 AM CDT THU MAY 9 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH  
LATE TONIGHT...  
   
TODAY
 
NORTHEAST WINDS 15 TO 20 KT INCREASING TO 20 TO 25 KT AND  
BECOMING NORTH BY EARLY AFTERNOON. SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY IN THE  
AFTERNOON. WAVES 3 TO 5 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8  
FT.   
TONIGHT
 
NORTH WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.  
CHANCE OF SHOWERS IN THE EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO  
8 FT SUBSIDING TO 2 TO 4 FT LATE.   
FRIDAY
 
NORTH WINDS 10 TO 15 KT BECOMING EAST 5 TO 10 KT IN THE  
AFTERNOON. MOSTLY SUNNY IN THE MORNING, THEN BECOMING PARTLY  
CLOUDY. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KT BECOMING WEST OVERNIGHT.  
SHOWERS LIKELY. WAVES 1 TO 2 FT.  
 

 
 
LMZ743>745-091515-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
352 AM CDT THU MAY 9 2024  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CDT TODAY THROUGH  
LATE TONIGHT...  
   
TODAY
 
EAST WINDS 15 TO 20 KT BECOMING NORTH 20 TO 25 KT THIS  
AFTERNOON. SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT  
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.   
TONIGHT
 
NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE  
EVENING, THEN SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO 6 FT  
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT LATE.    
FRIDAY
 
NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.  
PARTLY CLOUDY IN THE MORNING THEN CLEARING. WAVES 2 TO 4 FT  
SUBSIDING TO 1 TO 3 FT.    
FRIDAY NIGHT
 
SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO  
15 KT OVERNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN  
SHOWERS LIKELY OVERNIGHT. WAVES 1 TO 2 FT.  
 

 
 
RATZER  
 
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