142  
FZUS53 KLOT 041657  
NSHLOT  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1057 AM CST WED MAR 4 2026  
 
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.  
 
LMZ740-050500-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
1057 AM CST WED MAR 4 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON  
 
   
REST OF TODAY  
NORTHEAST WINDS AROUND 10 KT. AREAS OF DENSE FOG.  
SLIGHT CHANCE OF SHOWERS AND DRIZZLE IN THE AFTERNOON. WAVES 1 TO  
2 FT.    
TONIGHT  
NORTHEAST WINDS AROUND 10 KT. PATCHY FOG IN THE  
EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. SLIGHT CHANCE OF  
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. WAVES  
1 TO 2 FT.    
THURSDAY  
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH. AREAS OF  
DENSE FOG. RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE  
MORNING, THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO  
3 FT.    
THURSDAY NIGHT  
NORTHEAST WINDS AROUND 10 KT BECOMING SOUTHEAST  
OVERNIGHT. AREAS OF FOG. WAVES 1 TO 3 FT.  
 
 
 
LMZ741-742-050500-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
1057 AM CST WED MAR 4 2026  
   
REST OF TODAY  
EAST WINDS AROUND 10 KT BECOMING NORTHEAST.  
SLIGHT CHANCE OF SHOWERS AND DRIZZLE IN THE AFTERNOON. WAVES 1 TO  
2 FT.    
TONIGHT  
NORTHEAST WINDS AROUND 10 KT. PATCHY FOG IN THE  
EVENING, THEN AREAS OF DENSE FOG AFTER MIDNIGHT. SLIGHT CHANCE OF  
SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. WAVES  
AROUND 1 FT.    
THURSDAY  
NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH IN THE  
AFTERNOON. AREAS OF DENSE FOG. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
THURSDAY NIGHT  
NORTH WINDS AROUND 5 KT BECOMING SOUTHEAST  
OVERNIGHT. AREAS OF FOG. WAVES 1 TO 2 FT.  
 
 
 
LMZ743>745-050500-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
1057 AM CST WED MAR 4 2026  
   
REST OF TODAY  
EAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS  
AND DRIZZLE IN THE AFTERNOON. WAVES 1 TO 2 FT.    
TONIGHT  
EAST WINDS 5 TO 10 KT. PATCHY FOG IN THE EVENING, THEN  
AREAS OF DENSE FOG AFTER MIDNIGHT. SLIGHT CHANCE OF SHOWERS IN  
THE EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT. WAVES AROUND 1  
FT.    
THURSDAY  
NORTHEAST WINDS AROUND 10 KT BECOMING NORTH IN THE  
AFTERNOON. AREAS OF DENSE FOG. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN CHANCE OF SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 2 FT.    
THURSDAY NIGHT  
WEST WINDS AROUND 5 KT BECOMING SOUTHEAST  
OVERNIGHT. AREAS OF FOG. WAVES 1 TO 2 FT.  
 
 
DOOM  
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