497  
FZUS53 KGRB 300735  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
235 AM CDT MON JUN 30 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-301300-  
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-  
235 AM CDT MON JUN 30 2025  
   
OVERNIGHT
 
SW WIND AROUND 5 KTS. PATCHY FOG. A SLIGHT CHANCE OF  
RAIN SHOWERS. WAVES 2 FT OR LESS.    
TODAY
 
SW WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
TONIGHT
 
W WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING THEN  
CLEARING. WAVES 2 FT OR LESS.    
TUESDAY
 
W WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-301300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
235 AM CDT MON JUN 30 2025  
   
OVERNIGHT
 
SW WIND 5 TO 10 KTS. PATCHY FOG. A CHANCE OF RAIN  
SHOWERS. WAVES 1 TO 3 FT.    
TODAY
 
SW WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
TONIGHT
 
W WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR LESS.    
TUESDAY
 
NW WIND 5 TO 10 KTS BACKING SW IN THE AFTERNOON.  
SUNNY. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-301300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
235 AM CDT MON JUN 30 2025  
   
OVERNIGHT
 
SW WIND AROUND 5 KTS. PATCHY FOG. A SLIGHT CHANCE OF  
LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TODAY
 
SW WIND 5 TO 10 KTS. A CHANCE OF THUNDERSTORMS AND A  
SLIGHT CHANCE OF LIGHT SHOWERS. WAVES 2 FT OR LESS.    
TONIGHT
 
W WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING THEN  
CLEARING. WAVES 2 FT OR LESS.    
TUESDAY
 
NW WIND 5 TO 10 KTS BACKING W IN THE AFTERNOON. SUNNY.  
WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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