568  
FZUS53 KGRB 260624  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
124 AM CDT SUN APR 26 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-261000-  
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-  
124 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG.    
SUNDAY
 
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF DENSE  
FOG IN THE MORNING.    
SUNDAY NIGHT
 
E WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY.    
MONDAY
 
SE WIND 15 TO 25 KTS. WAVES 1 TO 3 FT. RAIN SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. A SMALL  
CRAFT ADVISORY MAY BE NEEDED.  
 

 
 
LMZ541-261000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
124 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG.    
SUNDAY
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY  
IN THE MORNING THEN BECOMING PARTLY CLOUDY.    
SUNDAY NIGHT
 
NE WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS IN  
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FT. PARTLY CLOUDY.    
MONDAY
 
SE WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. A CHANCE OF  
SHOWERS IN THE AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 

 
 
LMZ542-543-261000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
124 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG.    
SUNDAY
 
E WIND 5 TO 10 KTS VEERING SE MID-DAY, THEN BACKING E  
EARLY IN THE AFTERNOON. WAVES 2 FT OR LESS. PATCHY DENSE FOG.    
SUNDAY NIGHT
 
NE WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS, THEN  
INCREASING TO 15 TO 25 KTS AFTER MIDNIGHT. WAVES 2 FT OR LESS  
BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. PARTLY CLOUDY. A SMALL  
CRAFT ADVISORY MAY BE NEEDED.    
MONDAY
 
SE WIND TO 30 KTS WITH GALE FORCE GUSTS TO AROUND  
35 KTS. WAVES 4 TO 7 FT BUILDING TO 6 TO 10 FT IN THE AFTERNOON.  
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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