909  
FZUS53 KGRB 240512  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1212 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-  
1212 AM CDT FRI APR 24 2026  
   
REST OF THE NIGHT  
SE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS LATE IN THE EVENING. A CHANCE OF THUNDERSTORMS.  
RAIN SHOWERS LIKELY AFTER MIDNIGHT.    
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 VEERING E EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE MORNING THEN CLEARING.  
 
 
 
LMZ541-241000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1212 AM CDT FRI APR 24 2026  
 
...DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT EARLY THIS  
MORNING...   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON  
 
   
REST OF THE NIGHT  
SE WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. AREAS  
OF DENSE FOG LATE IN THE EVENING. SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.    
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  
N WIND 5 TO 10 KTS VEERING NE EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ542-543-241000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1212 AM CDT FRI APR 24 2026  
 
...DENSE FOG ADVISORY IN EFFECT UNTIL 1 AM CDT EARLY THIS  
MORNING...   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON  
 
   
REST OF THE NIGHT  
S WIND 10 TO 20 KTS. WAVES 3 TO 5 FT. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE EVENING. A CHANCE OF  
THUNDERSTORMS. RAIN SHOWERS LIKELY AFTER MIDNIGHT.    
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 IN THE MORNING THEN BECOMING MOSTLY SUNNY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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