405  
FZUS53 KLOT 010842  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
342 AM CDT TUE APR 1 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>742-011515-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
342 AM CDT TUE APR 1 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE  
TONIGHT...  
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TODAY  
EAST WINDS 15 TO 20 KT. MOSTLY SUNNY IN THE MORNING,  
THEN BECOMING MOSTLY CLOUDY. WAVES 2 TO 4 FT.    
TONIGHT  
EAST WINDS TO 30 KT BECOMING SOUTHEAST AND INCREASING  
TO 35 KT GALES. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN  
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY  
TO 8 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.    
WEDNESDAY  
SOUTHEAST GALES TO 35 KT BECOMING SOUTHWEST IN THE  
AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 7 TO 10 FT  
OCCASIONALLY TO 13 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 12  
FT.    
WEDNESDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 3 TO 5 FT  
SUBSIDING TO 1 TO 2 FT.  
 
 
 
LMZ743>745-011515-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
342 AM CDT TUE APR 1 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE  
TONIGHT...  
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TODAY  
EAST WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT. MOSTLY  
SUNNY IN THE MORNING, THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO  
5 FT SUBSIDING TO 2 TO 4 FT.    
TONIGHT  
SOUTHEAST WINDS TO 30 KT INCREASING TO 35 KT GALES.  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND  
THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT.    
WEDNESDAY  
SOUTHEAST GALES TO 35 KT BECOMING SOUTHWEST IN THE  
AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT.    
WEDNESDAY NIGHT  
SOUTHWEST WINDS 15 TO 25 KT IN THE EVENING.  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 2 TO  
4 FT SUBSIDING TO 1 TO 3 FT.  
 
 
 
PETR  
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