130  
FZUS53 KGRB 190905  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
405 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-  
405 AM CDT TUE AUG 19 2025  
   
EARLY IN THE MORNING
 
NE WIND 5 TO 10 KTS. PATCHY FOG. A CHANCE  
OF LIGHT SHOWERS. WAVES 2 FT OR LESS.    
TODAY
 
NE WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES. WAVES 2 FT  
OR LESS.    
TONIGHT
 
NE WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES IN THE  
EVENING. A CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. PATCHY FOG  
AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES IN THE  
MORNING. WAVES 2 FT OR LESS.    
WEDNESDAY NIGHT
 
NE WIND 5 TO 10 KTS. CLEAR. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ541-191300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
405 AM CDT TUE AUG 19 2025  
   
EARLY IN THE MORNING
 
E WIND 5 TO 10 KTS. A CHANCE OF  
SPRINKLES. WAVES 1 TO 3 FT.    
TODAY
 
NE WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES. WAVES 1 TO  
3 FT.    
TONIGHT
 
NE WIND 5 TO 10 KTS. PATCHY FOG AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
WEDNESDAY
 
N WIND 5 TO 10 KTS. MOSTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 2 FT OR LESS.    
WEDNESDAY NIGHT
 
NE WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT  
OR LESS.  
 

 
 
LMZ542-543-191300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
405 AM CDT TUE AUG 19 2025  
   
EARLY IN THE MORNING
 
N WIND 5 TO 10 KTS. PATCHY FOG. A CHANCE  
OF SPRINKLES. WAVES 1 TO 3 FT.    
TODAY
 
N WIND 10 TO 15 KTS. A CHANCE OF SPRINKLES IN THE  
AFTERNOON. 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. A CHANCE OF LIGHT SHOWERS.  
WAVES 1 TO 3 FT.    
WEDNESDAY NIGHT
 
NE WIND 10 TO 15 KTS. CLEAR. WAVES 1 TO 3 FT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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