402  
FZUS53 KGRB 310136  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
836 PM CDT THU JUL 30 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-310400-  
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-  
836 PM CDT THU JUL 30 2026  
   
TONIGHT
 
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. PATCHY SMOKE.   
FRIDAY
 
SW WIND 5 TO 10 KTS BACKING S EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PATCHY SMOKE IN THE AFTERNOON. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PATCHY  
SMOKE IN THE EVENING. A CHANCE OF SHOWERS.    
SATURDAY
 
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS.  
 

 
 
LMZ541>543-310400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
836 PM CDT THU JUL 30 2026  
   
TONIGHT
 
SW WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. PATCHY SMOKE  
AFTER MIDNIGHT.    
FRIDAY
 
SW WIND 5 TO 10 KTS BACKING S IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS IN THE  
AFTERNOON.    
FRIDAY NIGHT
 
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PATCHY  
SMOKE IN THE EVENING. A CHANCE OF SHOWERS.    
SATURDAY
 
NE WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. A CHANCE OF  
SHOWERS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
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