283  
FZUS53 KGRB 190634  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
134 AM CDT TUE AUG 19 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-191300-  
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-  
134 AM CDT TUE AUG 19 2025  
   
OVERNIGHT
 
E WIND 5 TO 10 KTS. PATCHY FOG. WAVES 2 FT OR LESS.    
TODAY
 
NE WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES IN THE  
AFTERNOON. WAVES 2 FT OR LESS.    
TONIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG AFTER MIDNIGHT. WAVES  
1 TO 3 FT.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 1 TO 3 FT.  
 

 
 
LMZ541-191300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
134 AM CDT TUE AUG 19 2025  
   
OVERNIGHT
 
E WIND 10 TO 15 KTS. A SLIGHT CHANCE OF LIGHT  
SHOWERS. WAVES 1 TO 3 FT.    
TODAY
 
NE WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FT.    
TONIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG AFTER MIDNIGHT. WAVES  
2 FT OR LESS.    
WEDNESDAY
 
N WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ542-543-191300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
134 AM CDT TUE AUG 19 2025  
   
OVERNIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG. WAVES 1 TO 3 FT.    
TODAY
 
N WIND 10 TO 15 KTS. MOSTLY CLOUDY. WAVES 1 TO 3 FT.    
TONIGHT
 
N WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FT.    
WEDNESDAY
 
NE WIND 10 TO 20 KTS. PARTLY CLOUDY. WAVES 1 TO  
3 FT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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