837  
FZUS53 KGRB 240624  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
124 AM CDT FRI APR 24 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-241000-  
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 FRI APR 24 2026  
   
REST OF THE NIGHT  
SE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.  
RAIN SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.    
FRIDAY  
S WIND 10 TO 15 KTS BACKING N EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PATCHY FOG. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
SATURDAY  
NE WIND 5 TO 10 KTS INCREASING TO 10 TO 15 KTS EARLY  
IN THE AFTERNOON. WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ541-241000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
124 AM CDT FRI APR 24 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
   
REST OF THE NIGHT  
SE WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.    
FRIDAY  
SE WIND 10 TO 15 KTS BACKING N EARLY IN THE AFTERNOON.  
WAVES 3 TO 5 FT. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING.  
A CHANCE OF THUNDERSTORMS. RAIN SHOWERS LIKELY IN THE AFTERNOON.    
FRIDAY NIGHT  
N WIND 10 TO 15 KTS. WAVES 2 TO 4 FT SUBSIDING TO  
1 TO 3 FT AFTER MIDNIGHT. PARTLY CLOUDY IN THE EVENING THEN  
BECOMING MOSTLY CLOUDY.    
SATURDAY  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.  
 
 
 
LMZ542-543-241000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
124 AM CDT FRI APR 24 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
   
REST OF THE NIGHT  
S WIND 10 TO 20 KTS. WAVES 3 TO 5 FT. RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS.    
FRIDAY  
S WIND 10 TO 15 KTS VEERING NW EARLY IN THE AFTERNOON.  
WAVES 3 TO 5 FT. PATCHY FOG. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS.    
FRIDAY NIGHT  
N WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY  
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
SATURDAY  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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