337  
FZUS53 KGRB 290815  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
315 AM CDT SUN JUN 29 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-291300-  
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-  
315 AM CDT SUN JUN 29 2025  
   
EARLY IN THE MORNING
 
S WIND 5 TO 10 KTS. A SLIGHT CHANCE OF  
LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
SW WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 2 FT OR LESS.    
MONDAY
 
SW WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
W WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ541-291300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
315 AM CDT SUN JUN 29 2025  
   
EARLY IN THE MORNING
 
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT  
SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TODAY
 
S WIND 10 TO 20 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT IN THE  
AFTERNOON.    
TONIGHT
 
SW WIND 10 TO 15 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT AFTER  
MIDNIGHT.    
MONDAY
 
SW WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS. WAVES  
2 FT OR LESS.    
MONDAY NIGHT
 
W WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING  
THEN CLEARING. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-291300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
315 AM CDT SUN JUN 29 2025  
   
EARLY IN THE MORNING
 
S WIND 5 TO 10 KTS. A SLIGHT CHANCE OF  
LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS INCREASING TO 10 TO 20 KTS IN THE  
AFTERNOON. A CHANCE OF THUNDERSTORMS AND A SLIGHT CHANCE OF LIGHT  
SHOWERS. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE IN THE  
AFTERNOON.    
TONIGHT
 
SW WIND 10 TO 15 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS. WAVES 1 TO 3 FT.    
MONDAY
 
W WIND 5 TO 10 KTS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
W WIND 10 TO 15 KTS. MOSTLY CLEAR. WAVES 2 FT OR  
LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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