953  
FZUS53 KLOT 290801  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
301 AM CDT SAT MAR 29 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>742-291515-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
301 AM CDT SAT MAR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
 
 
   
TODAY
 
SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT  
THIS MORNING, THEN SHIFTING NORTHEAST 15 TO 20 KT THIS AFTERNOON.  
OCCASIONAL GALE GUSTS TO 35 KT EARLY THIS MORNING. AREAS OF FOG  
IN THE AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 3 TO  
5 FT SUBSIDING TO 2 TO 4 FT.    
TONIGHT
 
NORTH WINDS 15 TO 20 KT BECOMING SOUTHEAST 10 TO 15 KT  
OVERNIGHT. AREAS OF FOG. CHANCE OF SHOWERS IN THE EVENING, THEN  
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.    
SUNDAY
 
SOUTH WINDS 15 TO 25 KT. SHOWERS AND THUNDERSTORMS.  
WAVES 2 TO 4 FT.   
SUNDAY NIGHT
 
WEST WINDS 15 TO 25 KT BECOMING NORTHWEST  
OVERNIGHT. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS  
IN THE EVENING, THEN RAIN AND SNOW LIKELY OVERNIGHT. WAVES 2 TO 4  
FT BUILDING TO 3 TO 5 FT.  
 

 
 
LMZ743>745-291515-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
301 AM CDT SAT MAR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
 
 
   
TODAY
 
SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT  
THIS AFTERNOON. OCCASIONAL GALE GUSTS TO 35 KT EARLY THIS MORNING.  
CHANCE OF SHOWERS, MAINLY IN THE AFTERNOON. WAVES 3 TO 5 FT  
SUBSIDING TO 2 TO 4 FT.    
TONIGHT
 
SOUTHWEST WINDS 15 TO 20 KT BECOMING SOUTH. PATCHY  
FOG. CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.    
SUNDAY
 
SOUTH WINDS 15 TO 25 KT. SHOWERS AND THUNDERSTORMS.  
WAVES 2 TO 4 FT.    
SUNDAY NIGHT
 
SOUTHWEST WINDS 15 TO 25 KT BECOMING NORTHWEST  
OVERNIGHT. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
EVENING, THEN RAIN LIKELY OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO  
3 TO 5 FT.  
 

 
 
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