734  
FZUS53 KGRB 251610  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1109 AM CDT SAT APR 25 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-252200-  
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-  
1109 AM CDT SAT APR 25 2026  
   
THIS AFTERNOON
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY  
CLOUDY.    
TONIGHT
 
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY  
IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
SUNDAY
 
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY  
IN THE MORNING THEN BECOMING PARTLY CLOUDY.    
SUNDAY NIGHT
 
E WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY.  
 

 
 
LMZ541-252200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1109 AM CDT SAT APR 25 2026  
   
THIS AFTERNOON
 
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
MOSTLY CLOUDY.    
TONIGHT
 
E WIND 10 TO 15 KTS VEERING SE 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY.    
SUNDAY
 
SE WIND 5 TO 10 KTS BACKING E EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. MOSTLY CLOUDY IN THE MORNING THEN BECOMING  
MOSTLY SUNNY.    
SUNDAY NIGHT
 
NE WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS IN  
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FT. PARTLY CLOUDY IN  
THE EVENING THEN BECOMING MOSTLY CLOUDY.  
 

 
 
LMZ542-543-252200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1109 AM CDT SAT APR 25 2026  
   
THIS AFTERNOON
 
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. MOSTLY  
CLOUDY DURING THE MORNING THEN BECOMING PARTLY CLOUDY.    
TONIGHT
 
NE WIND 10 TO 15 KTS VEERING SE 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. MOSTLY CLEAR IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY.    
SUNDAY
 
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY SUNNY.    
SUNDAY NIGHT
 
NE WIND 5 TO 10 KTS VEERING SE 10 TO 20 KTS IN  
THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 3 TO  
5 FT AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR MONDAY THROUGH WEDNESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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