813  
FZUS53 KGRB 071807  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
107 PM CDT THU MAY 7 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-072200-  
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-  
107 PM CDT THU MAY 7 2026  
   
THIS AFTERNOON
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SPRINKLES.    
TONIGHT
 
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.    
FRIDAY
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. MOSTLY SUNNY  
IN THE MORNING THEN BECOMING PARTLY CLOUDY.    
FRIDAY NIGHT
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.  
 

 
 
LMZ541-072200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
107 PM CDT THU MAY 7 2026  
   
THIS AFTERNOON
 
S WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SPRINKLES.    
TONIGHT
 
S WIND 5 TO 10 KTS VEERING SW IN THE LATE EVENING AND  
OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLOUDY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY.    
FRIDAY
 
SW WIND 5 TO 10 KTS BACKING S 10 TO 15 KTS EARLY IN THE  
AFTERNOON. WAVES 2 TO 4 FT. MOSTLY SUNNY IN THE MORNING THEN  
BECOMING PARTLY CLOUDY.    
FRIDAY NIGHT
 
S WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. PARTLY  
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.  
 

 
 
LMZ542-543-072200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
107 PM CDT THU MAY 7 2026  
   
THIS AFTERNOON
 
S WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLOUDY.    
TONIGHT
 
S WIND 5 TO 10 KTS VEERING SW AFTER MIDNIGHT. WAVES  
2 FT OR LESS. MOSTLY CLEAR.    
FRIDAY
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS BUILDING TO  
2 TO 4 FT IN THE AFTERNOON. PARTLY CLOUDY.    
FRIDAY NIGHT
 
SW WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. PARTLY  
CLOUDY.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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