315  
FZUS53 KGRB 171815  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
115 PM CDT THU JUL 17 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-180200-  
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-  
115 PM CDT THU JUL 17 2025  
   
THIS AFTERNOON
 
NE WIND 10 TO 15 KTS. MOSTLY 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. A CHANCE OF LIGHT SHOWERS IN  
THE EVENING. A CHANCE OF THUNDERSTORMS. LIGHT SHOWERS LIKELY  
AFTER MIDNIGHT. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-180200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
115 PM CDT THU JUL 17 2025  
   
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. A CHANCE OF LIGHT SHOWERS IN  
THE EVENING. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY AFTER  
MIDNIGHT. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-180200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
115 PM CDT THU JUL 17 2025  
   
THIS AFTERNOON
 
N WIND 10 TO 15 KTS. MOSTLY 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. SUNNY. WAVES 2 FT OR LESS.    
FRIDAY NIGHT
 
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS IN  
THE EVENING. LIGHT SHOWERS LIKELY AFTER MIDNIGHT. WAVES 2 FT OR  
LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
 
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