488  
FZUS53 KGRB 310824  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
223 AM CST WED DEC 31 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ522-311100-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
223 AM CST WED DEC 31 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH  
THIS EVENING...  
   
REST OF THE NIGHT
 
W WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
MOSTLY CLOUDY.    
WEDNESDAY
 
NW WIND 10 TO 20 KTS. WAVES 2 FT OR LESS. A CHANCE  
OF FLURRIES.    
WEDNESDAY NIGHT
 
NW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
MOSTLY CLEAR.    
THURSDAY
 
W WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.  
 

 
 
LMZ521-311100-  
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-  
223 AM CST WED DEC 31 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH  
LATE TONIGHT...  
   
REST OF THE NIGHT
 
NW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A  
SLIGHT CHANCE OF LIGHT SNOW.    
WEDNESDAY
 
NW WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS IN  
THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO  
5 FT IN THE AFTERNOON. A CHANCE OF FLURRIES.    
WEDNESDAY NIGHT
 
NW WIND 15 TO 25 KTS. WAVES 3 TO 5 FT. MOSTLY  
CLEAR.    
THURSDAY
 
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY SUNNY.  
 

 
 
LMZ541-311100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
223 AM CST WED DEC 31 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH  
LATE TONIGHT...  
   
REST OF THE NIGHT
 
NW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF LIGHT SNOW.    
WEDNESDAY
 
NW WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS IN  
THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO  
4 FT IN THE AFTERNOON. A SLIGHT CHANCE OF LIGHT SNOW IN THE  
MORNING, THEN A CHANCE OF FLURRIES IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
NW WIND TO 30 KTS. WAVES 2 TO 4 FT. MOSTLY  
CLEAR.    
THURSDAY
 
W WIND 15 TO 25 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY  
IN THE MORNING THEN BECOMING MOSTLY CLOUDY. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.  
 

 
 
LMZ542-543-311100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
223 AM CST WED DEC 31 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON CST TODAY THROUGH  
LATE TONIGHT...  
   
REST OF THE NIGHT
 
NW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
MOSTLY CLOUDY.    
WEDNESDAY
 
NW WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS IN  
THE LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO  
4 FT IN THE AFTERNOON. A CHANCE OF FLURRIES.    
WEDNESDAY NIGHT
 
NW WIND 15 TO 25 KTS. WAVES 2 TO 4 FT  
SUBSIDING TO 1 TO 3 FT AFTER MIDNIGHT. MOSTLY CLEAR.    
THURSDAY
 
W WIND 10 TO 20 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY IN THE MORNING THEN BECOMING MOSTLY CLOUDY.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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