687  
FZUS53 KGRB 220748  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
248 AM CDT MON SEP 22 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-221300-  
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-  
248 AM CDT MON SEP 22 2025  
   
OVERNIGHT
 
SW WIND AROUND 5 KTS. AREAS OF DENSE FOG. A SLIGHT  
CHANCE OF LIGHT SHOWERS. WAVES 2 FT OR LESS.    
TODAY
 
SW WIND AROUND 5 KTS BACKING S IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. A CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS.  
WAVES 2 FT OR LESS.    
TONIGHT
 
E WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. PATCHY  
FOG. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF RAIN  
SHOWERS. WAVES 2 FT OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 

 
 
LMZ541-221300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
248 AM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
 
 
   
OVERNIGHT
 
SW WIND AROUND 5 KTS. AREAS OF DENSE FOG. A SLIGHT  
CHANCE OF LIGHT SHOWERS. WAVES 2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. PATCHY FOG. A CHANCE OF LIGHT  
SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
SE WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. PATCHY  
FOG. A CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF LIGHT  
SHOWERS. WAVES 2 FT OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-221300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
248 AM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING
 
 
   
OVERNIGHT
 
SW WIND AROUND 5 KTS. AREAS OF DENSE FOG. WAVES 2 FT  
OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. AREAS OF DENSE FOG IN THE MORNING. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FT OR LESS.    
TONIGHT
 
S WIND AROUND 5 KTS BACKING N AFTER MIDNIGHT. PATCHY  
FOG. 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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