487  
FZUS53 KGRB 222059  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
359 PM CDT MON SEP 22 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ522-230100-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
359 PM CDT MON SEP 22 2025  
   
REST OF THIS AFTERNOON
 
SE 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 IN THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. 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. MOSTLY CLOUDY. WAVES 2 FT OR  
LESS.    
WEDNESDAY
 
NE WIND 10 TO 15 KTS. PARTLY SUNNY. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ521-230100-  
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-  
359 PM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY
 
 
   
REST OF THIS AFTERNOON
 
SE WIND 5 TO 10 KTS. PATCHY DENSE FOG.  
A CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
E WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. PATCHY  
DENSE FOG IN THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. 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.    
TUESDAY NIGHT
 
N WIND 5 TO 10 KTS. PARTLY CLOUDY IN THE EVENING  
THEN BECOMING MOSTLY CLOUDY. WAVES 2 FT OR LESS.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. PARTLY SUNNY. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ541-230100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
359 PM CDT MON SEP 22 2025  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT TUESDAY
 
 
   
REST OF THIS AFTERNOON
 
S WIND 5 TO 10 KTS. PATCHY DENSE FOG. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TONIGHT
 
SE WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. PATCHY  
DENSE FOG IN THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. 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.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. MOSTLY CLOUDY IN THE MORNING  
THEN BECOMING PARTLY CLOUDY. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-230100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
359 PM CDT MON SEP 22 2025  
   
REST OF THIS AFTERNOON
 
S WIND 5 TO 10 KTS. PATCHY FOG. 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.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS INCREASING TO 10 TO 20 KTS IN  
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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