366  
FZUS53 KGRB 241431  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
931 AM CDT THU JUL 24 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-242230-  
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-  
931 AM CDT THU JUL 24 2025  
   
THIS AFTERNOON
 
SW WIND AROUND 5 KTS VEERING N EARLY IN THE  
AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
TONIGHT
 
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT. WAVES  
2 FT OR LESS. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING SE IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. MOSTLY SUNNY.    
FRIDAY NIGHT
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLOUDY.  
 

 
 
LMZ541-242230-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
931 AM CDT THU JUL 24 2025  
   
THIS AFTERNOON
 
SW WIND 5 TO 10 KTS VEERING NW EARLY IN THE  
AFTERNOON. WAVES 2 TO 4 FT. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
TONIGHT
 
N WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. A SLIGHT CHANCE  
OF SHOWERS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING S IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. MOSTLY SUNNY.    
FRIDAY NIGHT
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLOUDY.  
 

 
 
LMZ542-543-242230-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
931 AM CDT THU JUL 24 2025  
   
THIS AFTERNOON
 
S WIND 5 TO 10 KTS VEERING W EARLY IN THE  
AFTERNOON. WAVES 1 TO 3 FT. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
TONIGHT
 
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
PATCHY FOG AFTER MIDNIGHT.    
FRIDAY
 
NE WIND 5 TO 10 KTS VEERING E IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE MORNING THEN  
BECOMING MOSTLY SUNNY.    
FRIDAY NIGHT
 
E WIND 5 TO 10 KTS VEERING SE AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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