077  
FZUS53 KGRB 201954  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
254 PM CDT WED AUG 20 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-210200-  
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-  
254 PM CDT WED AUG 20 2025  
   
THIS AFTERNOON
 
N WIND 5 TO 10 KTS. ISOLATED LIGHT SHOWERS.  
WAVES 2 FT OR LESS.    
TONIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG AFTER MIDNIGHT. WAVES  
2 FT OR LESS.    
THURSDAY
 
N WIND 5 TO 10 KTS VEERING E IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. WAVES 2 FT OR LESS.    
THURSDAY NIGHT
 
S WIND 5 TO 10 KTS VEERING SW AFTER MIDNIGHT.  
MOSTLY CLEAR. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-210200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
254 PM CDT WED AUG 20 2025  
   
THIS AFTERNOON
 
N WIND 5 TO 10 KTS. ISOLATED SPRINKLES. WAVES  
2 FT OR LESS.    
TONIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG AFTER MIDNIGHT. WAVES  
2 FT OR LESS.    
THURSDAY
 
N WIND 5 TO 10 KTS VEERING E IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. WAVES 2 FT OR LESS.    
THURSDAY NIGHT
 
SW WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT  
OR LESS.  
 

 
 
LMZ542-543-210200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
254 PM CDT WED AUG 20 2025  
   
THIS AFTERNOON
 
NE WIND 10 TO 15 KTS. ISOLATED LIGHT SHOWERS.  
WAVES 1 TO 3 FT.    
TONIGHT
 
NE WIND 10 TO 15 KTS. ISOLATED SPRINKLES IN THE  
EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 3 FT.    
THURSDAY
 
NE WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 2 FT OR LESS.    
THURSDAY NIGHT
 
E WIND AROUND 5 KTS VEERING SW AFTER MIDNIGHT.  
MOSTLY CLEAR. WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
 
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