767  
FZUS53 KGRB 302001  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
301 PM CDT THU APR 30 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-302200-  
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-  
301 PM CDT THU APR 30 2026  
   
THIS AFTERNOON
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.    
TONIGHT
 
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT. WAVES  
2 FT OR LESS. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF SNOW  
SHOWERS IN THE EVENING.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING NE EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY.    
FRIDAY NIGHT
 
NE WIND 5 TO 10 KTS BACKING NW AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE EVENING THEN CLEARING.  
 

 
 
LMZ541-302200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
301 PM CDT THU APR 30 2026  
   
THIS AFTERNOON
 
S WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.    
TONIGHT
 
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A SLIGHT  
CHANCE OF SHOWERS IN THE EVENING.    
FRIDAY
 
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SPRINKLES IN THE AFTERNOON.    
FRIDAY NIGHT
 
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLEAR.  
 

 
 
LMZ542-543-302200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
301 PM CDT THU APR 30 2026  
   
THIS AFTERNOON
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.    
TONIGHT
 
S WIND 5 TO 10 KTS VEERING N IN THE LATE EVENING AND  
OVERNIGHT. WAVES 2 FT OR LESS. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING SE EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. A CHANCE OF.    
FRIDAY NIGHT
 
E WIND 5 TO 10 KTS BACKING N IN THE LATE EVENING  
AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLEAR.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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