823  
FZUS53 KGRB 080006  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
706 PM CDT THU MAY 7 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-080400-  
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-  
706 PM CDT THU MAY 7 2026  
   
TONIGHT
 
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY  
IN THE EVENING THEN BECOMING PARTLY CLOUDY.    
FRIDAY
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SPRINKLES IN THE AFTERNOON.    
FRIDAY NIGHT
 
S WIND 10 TO 15 KTS VEERING SW AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. A CHANCE OF SHOWERS.    
SATURDAY
 
W WIND 10 TO 15 KTS VEERING NW EARLY IN THE  
AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS.  
 

 
 
LMZ541-080400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
706 PM CDT THU MAY 7 2026  
   
TONIGHT
 
S WIND 10 TO 15 KTS VEERING SW 5 TO 10 KTS IN THE LATE  
EVENING AND OVERNIGHT. WAVES 1 TO 3 FT. MOSTLY CLOUDY IN THE  
EVENING THEN BECOMING PARTLY CLOUDY.    
FRIDAY
 
S WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. A CHANCE OF  
SHOWERS IN THE AFTERNOON.    
FRIDAY NIGHT
 
SW WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. A CHANCE  
OF SHOWERS.    
SATURDAY
 
W WIND 10 TO 15 KTS VEERING N EARLY IN THE AFTERNOON.  
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON. A CHANCE  
OF SHOWERS.  
 

 
 
LMZ542-543-080400-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
706 PM CDT THU MAY 7 2026  
   
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 BACKING S EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS BUILDING TO 2 TO 4 FT IN THE AFTERNOON. A  
CHANCE OF SPRINKLES IN THE AFTERNOON.    
FRIDAY NIGHT
 
S WIND 10 TO 15 KTS VEERING SW AFTER MIDNIGHT.  
WAVES 3 TO 5 FT. A CHANCE OF SPRINKLES.    
SATURDAY
 
W WIND 10 TO 15 KTS VEERING NW EARLY IN THE  
AFTERNOON. WAVES 1 TO 3 FT. A CHANCE OF SHOWERS.  
 

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