613  
FZUS53 KGRB 211110  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
509 AM CST TUE JAN 21 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ522-212100-  
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-  
509 AM CST TUE JAN 21 2025  
   
TODAY
 
W WIND 10 TO 20 KTS. SUNNY.   
TONIGHT
 
SW WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS. A  
CHANCE OF LIGHT SNOW AND FLURRIES AFTER MIDNIGHT. A SMALL CRAFT  
ADVISORY MAY BE NEEDED.    
WEDNESDAY
 
SW WIND 10 TO 20 KTS WITH GUSTS TO AROUND 25 KTS. A  
CHANCE OF LIGHT SNOW.    
WEDNESDAY NIGHT
 
W WIND 5 TO 10 KTS VEERING NW AFTER MIDNIGHT.  
MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY CLOUDY.  
 
WAVE HEIGHT FORECAST OMITTED FOR MOSTLY ICE COVERED AREAS.  

 
 
LMZ521-212100-  
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-  
509 AM CST TUE JAN 21 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY MORNING...  
   
TODAY
 
W WIND 10 TO 20 KTS. SUNNY.   
TONIGHT
 
SW WIND 10 TO 20 KTS WITH GUSTS TO AROUND 30 KTS. A  
CHANCE OF LIGHT SNOW AND FLURRIES AFTER MIDNIGHT.    
WEDNESDAY
 
SW WIND 10 TO 20 KTS WITH GUSTS TO AROUND 30 KTS. A  
CHANCE OF LIGHT SNOW.    
WEDNESDAY NIGHT
 
W WIND 10 TO 15 KTS VEERING NW 10 TO 20 KTS  
AFTER MIDNIGHT. MOSTLY CLOUDY IN THE EVENING THEN BECOMING PARTLY  
CLOUDY.  
 
WAVE HEIGHT FORECAST OMITTED FOR MOSTLY ICE COVERED AREAS.  

 
 
LMZ541-212100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
509 AM CST TUE JAN 21 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY AFTERNOON...  
   
TODAY
 
W WIND 15 TO 25 KTS. MOSTLY SUNNY. WAVES 1 TO 3 FT.    
TONIGHT
 
SW WIND 15 TO 25 KTS WITH GUSTS TO AROUND 30 KTS. A  
CHANCE OF LIGHT SNOW AND FLURRIES AFTER MIDNIGHT. WAVES 2 TO 4 FT  
BUILDING TO 4 TO 7 FT.    
WEDNESDAY
 
SW WIND 15 TO 25 KTS WITH GUSTS TO AROUND 30 KTS.  
HEAVY FREEZING SPRAY. LIGHT SNOW LIKELY IN THE MORNING. A CHANCE  
OF LIGHT SNOW IN THE AFTERNOON. WAVES 4 TO 7 FT.    
WEDNESDAY NIGHT
 
W WIND 10 TO 20 KTS VEERING NW AFTER MIDNIGHT.  
GUSTS TO AROUND 25 KTS. MOSTLY CLOUDY IN THE EVENING THEN  
BECOMING PARTLY CLOUDY. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT  
AFTER MIDNIGHT.  
 

 
 
LMZ542-543-212100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
509 AM CST TUE JAN 21 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
WEDNESDAY AFTERNOON...  
   
TODAY
 
W WIND 10 TO 20 KTS. SUNNY. WAVES 1 TO 3 FT.    
TONIGHT
 
SW WIND 15 TO 25 KTS WITH GUSTS TO AROUND 30 KTS. A  
CHANCE OF LIGHT SNOW AND FLURRIES AFTER MIDNIGHT. WAVES 1 TO 3 FT  
BUILDING TO 4 TO 7 FT.    
WEDNESDAY
 
SW WIND 15 TO 25 KTS WITH GUSTS TO AROUND 30 KTS.  
HEAVY FREEZING SPRAY IN THE MORNING. LIGHT SNOW LIKELY IN THE  
MORNING, THEN A CHANCE OF LIGHT SNOW IN THE AFTERNOON. WAVES 4 TO  
7 FT SUBSIDING TO 3 TO 5 FT LATE IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
W WIND 10 TO 20 KTS VEERING NW AFTER MIDNIGHT.  
A CHANCE OF LIGHT SNOW IN THE EVENING. WAVES 3 TO 5 FT SUBSIDING  
TO 1 TO 3 FT AFTER MIDNIGHT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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