317  
FZUS53 KGRB 081336  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
836 AM CDT FRI MAY 8 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-081600-  
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-  
836 AM CDT FRI MAY 8 2026  
   
TODAY
 
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY.   
TONIGHT
 
S WIND 10 TO 15 KTS VEERING W 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. A CHANCE OF SPRINKLES.    
SATURDAY
 
W WIND 10 TO 15 KTS VEERING NW EARLY IN THE  
AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SPRINKLES IN THE  
MORNING.    
SATURDAY NIGHT
 
N WIND 5 TO 10 KTS BACKING NW IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLEAR.  
 

 
 
LMZ541-081600-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
836 AM CDT FRI MAY 8 2026  
   
TODAY
 
SW WIND 10 TO 15 KTS BACKING S 10 TO 20 KTS EARLY IN THE  
AFTERNOON. WAVES 2 FT OR LESS BUILDING TO 2 TO 4 FT IN THE  
AFTERNOON. PARTLY CLOUDY.    
TONIGHT
 
S WIND 10 TO 15 KTS VEERING SW AFTER MIDNIGHT. WAVES  
3 TO 5 FT. A CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF  
SPRINKLES AFTER MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.    
SATURDAY
 
W WIND 5 TO 10 KTS VEERING N 10 TO 15 KTS EARLY IN  
THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE  
AFTERNOON. A CHANCE OF SPRINKLES IN THE MORNING.    
SATURDAY NIGHT
 
NE WIND 5 TO 10 KTS BACKING NW IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLEAR.  
 

 
 
LMZ542-543-081600-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
836 AM CDT FRI MAY 8 2026  
   
TODAY
 
SW WIND 10 TO 15 KTS BACKING S 10 TO 20 KTS EARLY IN THE  
AFTERNOON. WAVES 2 FT OR LESS BUILDING TO 2 TO 4 FT IN THE  
AFTERNOON. MOSTLY SUNNY IN THE MORNING THEN BECOMING PARTLY  
CLOUDY.    
TONIGHT
 
S WIND 10 TO 15 KTS VEERING SW AFTER MIDNIGHT. WAVES  
2 TO 4 FT. A CHANCE OF SPRINKLES IN THE EVENING.    
SATURDAY
 
NW WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. MOSTLY CLOUDY  
IN THE MORNING THEN BECOMING PARTLY CLOUDY.    
SATURDAY NIGHT
 
N WIND 5 TO 10 KTS BACKING NW AFTER MIDNIGHT.  
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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