609  
FZUS53 KGRB 181049  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
548 AM CDT FRI JUL 18 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-182000-  
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-  
548 AM CDT FRI JUL 18 2025  
   
TODAY  
S WIND 5 TO 10 KTS. SUNNY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. WAVES 2 FT OR LESS.    
TONIGHT  
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS. A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FT OR  
LESS.    
SATURDAY  
S WIND 5 TO 10 KTS VEERING N IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
SATURDAY NIGHT  
N WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR  
LESS.  
 
 
 
LMZ541-182000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
548 AM CDT FRI JUL 18 2025  
   
TODAY  
S WIND 5 TO 10 KTS. SUNNY IN THE MORNING THEN BECOMING  
PARTLY CLOUDY. WAVES 2 FT OR LESS.    
TONIGHT  
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FT OR  
LESS.    
SATURDAY  
S WIND 5 TO 10 KTS VEERING NW IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
SATURDAY NIGHT  
N WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT OR  
LESS.  
 
 
 
LMZ542-543-182000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
548 AM CDT FRI JUL 18 2025  
   
TODAY  
SE WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 2 FT OR LESS.    
TONIGHT  
S WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS AND A  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 FT OR  
LESS.    
SATURDAY  
S WIND 5 TO 10 KTS VEERING N IN THE AFTERNOON. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
SATURDAY NIGHT  
N WIND 5 TO 10 KTS. PARTLY CLOUDY. WAVES 2 FT  
OR LESS.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
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