748  
FZUS53 KGRB 210906  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
406 AM CDT SUN JUN 21 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-211600-  
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-  
406 AM CDT SUN JUN 21 2026  
   
EARLY THIS MORNING
 
VARIABLE WINDS AROUND 10 KTS OR LESS. WAVES  
2 FT OR LESS. MOSTLY CLEAR.    
TODAY
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY SUNNY.    
TONIGHT
 
E WIND 5 TO 10 KTS BACKING NE 10 TO 15 KTS IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY.    
MONDAY
 
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. SUNNY.   
MONDAY NIGHT
 
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. MOSTLY CLEAR.  
 

 
 
LMZ541>543-211600-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
406 AM CDT SUN JUN 21 2026  
   
EARLY THIS MORNING
 
NE WIND AROUND 5 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG.    
TODAY
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY.    
TONIGHT
 
E WIND AROUND 5 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.    
MONDAY
 
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. MOSTLY SUNNY.    
MONDAY NIGHT
 
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLEAR.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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