654  
FZUS53 KGRB 172125  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
424 PM CDT THU JUL 17 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-180100-  
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-  
424 PM CDT THU JUL 17 2025  
   
REST OF THIS AFTERNOON
 
NE WIND 5 TO 10 KTS. SUNNY. WAVES 1 TO  
3 FT.    
TONIGHT
 
E WIND AROUND 5 KTS VEERING S AFTER MIDNIGHT. CLEAR.  
WAVES 2 FT OR LESS.    
FRIDAY
 
S WIND 5 TO 10 KTS. SUNNY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. WAVES 2 FT OR LESS.    
FRIDAY NIGHT
 
S WIND 5 TO 10 KTS. LIGHT SHOWERS LIKELY AFTER  
MIDNIGHT. WAVES 2 FT OR LESS.    
SATURDAY
 
S WIND 5 TO 10 KTS BACKING NE IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-180100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
424 PM CDT THU JUL 17 2025  
   
REST OF THIS AFTERNOON
 
N WIND 10 TO 15 KTS. SUNNY. WAVES 1 TO  
3 FT.    
TONIGHT
 
NE WIND AROUND 5 KTS VEERING E AFTER MIDNIGHT. CLEAR.  
WAVES 2 FT OR LESS.    
FRIDAY
 
S WIND 5 TO 10 KTS. SUNNY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. WAVES 2 FT OR LESS.    
FRIDAY NIGHT
 
S WIND 5 TO 10 KTS. LIGHT SHOWERS LIKELY AFTER  
MIDNIGHT. WAVES 2 FT OR LESS.    
SATURDAY
 
S WIND 5 TO 10 KTS BACKING E IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-180100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
424 PM CDT THU JUL 17 2025  
   
REST OF THIS AFTERNOON
 
NE WIND 10 TO 15 KTS. SUNNY. WAVES 2 TO  
4 FT.    
TONIGHT
 
NE WIND 5 TO 10 KTS. CLEAR. WAVES 1 TO 3 FT.    
FRIDAY
 
SE WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR LESS.    
FRIDAY NIGHT
 
S WIND 5 TO 10 KTS. LIGHT SHOWERS LIKELY AFTER  
MIDNIGHT. WAVES 2 FT OR LESS.    
SATURDAY
 
S WIND 5 TO 10 KTS BACKING E IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
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