738  
FZUS53 KGRB 292139  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
439 PM CDT SUN JUN 29 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-300100-  
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-  
439 PM CDT SUN JUN 29 2025  
 
...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS  
EVENING...  
   
REST OF THIS AFTERNOON
 
S WIND 5 TO 10 KTS. A CHANCE OF SHOWERS  
AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
SW WIND 5 TO 10 KTS. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING, THEN A CHANCE OF LIGHT SHOWERS  
AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
MONDAY
 
SW WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. 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.    
TUESDAY
 
W WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-300100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
439 PM CDT SUN JUN 29 2025  
 
...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS  
EVENING...  
   
REST OF THIS AFTERNOON
 
S WIND 10 TO 20 KTS. A CHANCE OF LIGHT  
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.    
TONIGHT
 
SW WIND 10 TO 15 KTS. PATCHY FOG IN THE EVENING. A  
CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.  
WAVES 1 TO 3 FT.    
MONDAY
 
SW WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
SW WIND 5 TO 10 KTS VEERING W AFTER MIDNIGHT.  
MOSTLY CLEAR. WAVES 2 FT OR LESS.    
TUESDAY
 
W WIND 5 TO 10 KTS BACKING SW IN THE AFTERNOON. SUNNY.  
WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-300100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
439 PM CDT SUN JUN 29 2025  
 
...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS  
EVENING...  
   
REST OF THIS AFTERNOON
 
S WIND 10 TO 20 KTS. A CHANCE OF LIGHT  
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.    
TONIGHT
 
SW WIND 10 TO 15 KTS. PATCHY FOG IN THE EVENING. A  
CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT.    
MONDAY
 
SW WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. 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.    
TUESDAY
 
W WIND 10 TO 15 KTS. SUNNY. WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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