939  
FZUS53 KGRB 221510  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1010 AM CDT MON SEP 22 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-230200-  
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-  
1010 AM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
 
 
   
THIS AFTERNOON
 
SE WIND 5 TO 10 KTS. A SLIGHT 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 LIGHT  
SHOWERS. WAVES 2 FT OR LESS.    
TUESDAY
 
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.    
TUESDAY NIGHT
 
N WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING  
THEN BECOMING MOSTLY CLOUDY. WAVES 2 FT OR LESS.  
 

 
 
LMZ541-230200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1010 AM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
 
 
   
THIS AFTERNOON
 
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS  
AND A SLIGHT CHANCE OF 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.    
TUESDAY NIGHT
 
NE WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE  
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-230200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1010 AM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 2 PM CDT THIS AFTERNOON
 
 
   
THIS AFTERNOON
 
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
S WIND AROUND 5 KTS BACKING NE 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.    
TUESDAY NIGHT
 
N WIND 5 TO 10 KTS. MOSTLY CLOUDY. WAVES 2 FT OR  
LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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