426  
FZUS53 KGRB 140056  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
756 PM CDT THU AUG 13 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-140400-  
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-  
756 PM CDT THU AUG 13 2026  
   
TONIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY  
IN THE EVENING THEN CLEARING.    
FRIDAY
 
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. MOSTLY SUNNY.   
FRIDAY NIGHT
 
E WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE  
OF SHOWERS AFTER MIDNIGHT.    
SATURDAY
 
SE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS.  
 

 
 
LMZ541>543-140400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
756 PM CDT THU AUG 13 2026  
   
TONIGHT
 
E WIND 5 TO 10 KTS BACKING NE 10 TO 15 KTS IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLOUDY IN THE  
EVENING THEN BECOMING PARTLY CLOUDY.    
FRIDAY
 
NE WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. MOSTLY SUNNY IN  
THE MORNING THEN BECOMING PARTLY CLOUDY.    
FRIDAY NIGHT
 
NE WIND 10 TO 15 KTS VEERING E AFTER MIDNIGHT.  
WAVES 2 TO 4 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY
 
SE WIND 10 TO 20 KTS. WAVES 4 TO 7 FT. A CHANCE OF  
SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. A  
SMALL CRAFT ADVISORY MAY BE NEEDED.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
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