331  
FZUS53 KGRB 242255  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
554 PM CDT FRI APR 24 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-250400-  
GREEN BAY SOUTH OF LINE FROM CEDAR RIVER TO ROCK ISLAND PASSAGE  
AND NORTH OF A LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
554 PM CDT FRI APR 24 2026  
   
LATE THIS AFTERNOON  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG.    
TONIGHT  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY.   
SATURDAY  
NE WIND 5 TO 10 KTS INCREASING TO 10 TO 15 KTS EARLY  
IN THE AFTERNOON. WAVES 2 FT OR LESS. PARTLY CLOUDY.    
SATURDAY NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
SUNDAY  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ541-250400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
554 PM CDT FRI APR 24 2026  
   
LATE THIS AFTERNOON  
N WIND 10 TO 15 KTS. WAVES 2 TO 4 FT.  
PATCHY FOG.    
TONIGHT  
N WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. MOSTLY CLOUDY.    
SATURDAY  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.    
SATURDAY NIGHT  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
SUNDAY  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ542-543-250400-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
554 PM CDT FRI APR 24 2026  
   
LATE THIS AFTERNOON  
N WIND 5 TO 10 KTS. WAVES 1 TO 3 FT.  
CLOUDY.   
TONIGHT  
N WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. MOSTLY CLOUDY.    
SATURDAY  
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY  
IN THE MORNING THEN CLEARING.    
SATURDAY NIGHT  
NE WIND 10 TO 15 KTS VEERING E AFTER MIDNIGHT.  
WAVES 1 TO 3 FT. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY.    
SUNDAY  
E WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR MONDAY THROUGH WEDNESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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