056  
FZUS53 KGRB 300905  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
405 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-  
405 AM CDT MON JUN 30 2025  
   
EARLY IN THE MORNING
 
SW WIND 5 TO 10 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.    
TUESDAY NIGHT
 
W WIND 5 TO 10 KTS. CLEAR. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-301300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
405 AM CDT MON JUN 30 2025  
   
EARLY IN THE MORNING
 
SW WIND 5 TO 10 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. 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.    
TUESDAY NIGHT
 
W WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ542-543-301300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
405 AM CDT MON JUN 30 2025  
   
EARLY IN THE MORNING
 
SW WIND 5 TO 10 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.    
TUESDAY NIGHT
 
W WIND 5 TO 10 KTS. CLEAR. WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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