419  
FZUS53 KGRB 272104  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
404 PM CDT MON OCT 27 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-280100-  
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-  
404 PM CDT MON OCT 27 2025  
   
REST OF THIS AFTERNOON
 
E WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT  
OR LESS.    
TONIGHT
 
SE WIND 10 TO 20 KTS. CLEAR. WAVES 1 TO 3 FT.    
TUESDAY
 
SE WIND 10 TO 20 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.    
TUESDAY NIGHT
 
E WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
MOSTLY CLEAR. WAVES 1 TO 3 FT. A SMALL CRAFT ADVISORY MAY BE  
NEEDED.    
WEDNESDAY
 
NE WIND 10 TO 20 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.  
 

 
 
LMZ541-280100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
404 PM CDT MON OCT 27 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
 
 
   
REST OF THIS AFTERNOON
 
E WIND 10 TO 20 KTS. SUNNY. WAVES 1 TO  
3 FT.    
TONIGHT
 
SE WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
CLEAR. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT IN THE LATE EVENING  
AND OVERNIGHT.    
TUESDAY
 
SE WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
MOSTLY SUNNY. WAVES 2 TO 4 FT.    
TUESDAY NIGHT
 
E WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
MOSTLY CLEAR. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT EARLY IN THE  
MORNING.    
WEDNESDAY
 
NE WIND 10 TO 20 KTS. MOSTLY SUNNY. WAVES 1 TO 3 FT.  
 

 
 
LMZ542-543-280100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
404 PM CDT MON OCT 27 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT
 
 
   
REST OF THIS AFTERNOON
 
E WIND 10 TO 20 KTS. SUNNY. WAVES 1 TO  
3 FT.    
TONIGHT
 
SE WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
CLEAR. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT.    
TUESDAY
 
E WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
MOSTLY SUNNY. WAVES 3 TO 5 FT.    
TUESDAY NIGHT
 
E WIND 15 TO 25 KTS. MOSTLY CLEAR. WAVES 4 TO  
7 FT.    
WEDNESDAY
 
NE WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS.  
MOSTLY SUNNY. WAVES 3 TO 5 FT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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