342  
FZUS53 KGRB 160900  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
400 AM CDT TUE SEP 16 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-161300-  
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-  
400 AM CDT TUE SEP 16 2025  
   
EARLY IN THE MORNING
 
S WIND AROUND 5 KTS. PATCHY FOG. WAVES  
2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT OR LESS.    
TONIGHT
 
S WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR LESS.    
WEDNESDAY
 
SW WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.    
WEDNESDAY NIGHT
 
SE WIND 5 TO 10 KTS BACKING NE AFTER MIDNIGHT.  
PARTLY CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY. WAVES  
2 FT OR LESS.  
 

 
 
LMZ541-161300-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
400 AM CDT TUE SEP 16 2025  
   
EARLY IN THE MORNING
 
S WIND 5 TO 10 KTS. PATCHY FOG. WAVES  
2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT OR LESS.    
TONIGHT
 
S WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR LESS.    
WEDNESDAY
 
S WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.    
WEDNESDAY NIGHT
 
SE WIND 5 TO 10 KTS BACKING NE AFTER MIDNIGHT.  
MOSTLY CLOUDY. WAVES 2 FT OR LESS.  
 

 
 
LMZ542-543-161300-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
400 AM CDT TUE SEP 16 2025  
   
EARLY IN THE MORNING
 
SE WIND 5 TO 10 KTS. WIDESPREAD DENSE  
FOG. WAVES 2 FT OR LESS.    
TODAY
 
S WIND 5 TO 10 KTS. WIDESPREAD DENSE FOG IN THE MORNING.  
WAVES 2 FT OR LESS.    
TONIGHT
 
SW WIND 5 TO 10 KTS. PATCHY FOG. WAVES 2 FT OR LESS.    
WEDNESDAY
 
S WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.    
WEDNESDAY NIGHT
 
SW WIND AROUND 5 KTS VEERING N AFTER MIDNIGHT.  
PARTLY CLOUDY. WAVES 2 FT OR LESS.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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