489  
FZUS53 KGRB 111635  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1135 AM CDT SAT APR 11 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-112200-  
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-  
1135 AM CDT SAT APR 11 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH LATE  
SUNDAY NIGHT...  
   
THIS AFTERNOON  
S WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. SUNNY  
DURING THE MORNING THEN BECOMING PARTLY CLOUDY.    
TONIGHT  
SE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. A CHANCE OF  
SHOWERS IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS. RAIN  
SHOWERS AFTER MIDNIGHT.    
SUNDAY  
S WIND 15 TO 25 KTS. WAVES 1 TO 3 FT BUILDING TO 2 TO  
4 FT IN THE AFTERNOON. RAIN SHOWERS IN THE MORNING, THEN A CHANCE  
OF SHOWERS IN THE AFTERNOON.    
SUNDAY NIGHT  
SW WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS  
AFTER MIDNIGHT. WAVES 3 TO 5 FT. RAIN SHOWERS LIKELY IN THE  
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
 
 
LMZ541-112200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1135 AM CDT SAT APR 11 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
MONDAY MORNING...  
   
THIS AFTERNOON  
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. MOSTLY  
SUNNY.    
TONIGHT  
S WIND 10 TO 15 KTS BACKING SE 15 TO 25 KTS AFTER  
MIDNIGHT. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT AFTER MIDNIGHT. A  
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.    
SUNDAY  
S WIND 15 TO 25 KTS. WAVES 5 TO 8 FT. RAIN SHOWERS IN  
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.    
SUNDAY NIGHT  
SW WIND TO 30 KTS DECREASING TO 10 TO 20 KTS  
AFTER MIDNIGHT. WAVES 6 TO 10 FT. RAIN SHOWERS LIKELY IN THE  
EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
 
 
LMZ542-543-112200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1135 AM CDT SAT APR 11 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH  
MONDAY MORNING...  
   
THIS AFTERNOON  
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. SUNNY  
DURING THE MORNING THEN BECOMING PARTLY SUNNY.    
TONIGHT  
S WIND 5 TO 10 KTS BECOMING SE 15 TO 25 KTS IN THE  
LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT  
AFTER MIDNIGHT. A CHANCE OF SHOWERS IN THE EVENING. A CHANCE OF  
THUNDERSTORMS. RAIN SHOWERS AFTER MIDNIGHT.    
SUNDAY  
S WIND 15 TO 25 KTS. WAVES 5 TO 8 FT. RAIN SHOWERS IN  
THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.    
SUNDAY NIGHT  
SW WIND TO 30 KTS. WAVES 5 TO 8 FT SUBSIDING TO  
4 TO 7 FT AFTER MIDNIGHT. RAIN SHOWERS LIKELY IN THE EVENING,  
THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR MONDAY THROUGH WEDNESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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