582  
FZUS53 KGRB 212308  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
608 PM CDT SUN SEP 21 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-220800-  
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-  
608 PM CDT SUN SEP 21 2025  
   
TONIGHT
 
S WIND AROUND 5 KTS VEERING SW AFTER MIDNIGHT. PATCHY  
FOG IN THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. A SLIGHT CHANCE OF LIGHT  
SHOWERS. WAVES 2 FT OR LESS.    
MONDAY
 
SW WIND AROUND 5 KTS BACKING S IN THE AFTERNOON. AREAS  
OF FOG IN THE MORNING. PATCHY FOG IN THE AFTERNOON. A CHANCE OF  
LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
SE WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE EVENING. PATCHY  
FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. WAVES 2 FT  
OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 

 
 
LMZ541-220800-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
608 PM CDT SUN SEP 21 2025  
   
TONIGHT
 
S WIND 5 TO 10 KTS. PATCHY FOG IN THE EVENING. AREAS  
OF DENSE FOG AFTER MIDNIGHT. A SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. A SLIGHT CHANCE OF LIGHT SHOWERS. WAVES 2 FT OR  
LESS.    
MONDAY
 
S WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. A CHANCE  
OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
S WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE EVENING. PATCHY  
FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. WAVES 2 FT  
OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-220800-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
608 PM CDT SUN SEP 21 2025  
   
TONIGHT
 
SW WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS IN THE EVENING. AREAS OF DENSE FOG. WAVES 2 FT  
OR LESS.    
MONDAY
 
SW WIND AROUND 5 KTS BACKING S IN THE AFTERNOON. AREAS  
OF FOG IN THE MORNING. A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
MONDAY NIGHT
 
S WIND AROUND 5 KTS BACKING N AFTER MIDNIGHT.  
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. A CHANCE  
OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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