981  
FZUS53 KGRB 131323  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
823 AM CDT THU AUG 13 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-131600-  
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-  
823 AM CDT THU AUG 13 2026  
   
TODAY  
N WIND AROUND 5 KTS VEERING E IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
TONIGHT  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY CLOUDY.   
FRIDAY  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. MOSTLY SUNNY.   
FRIDAY NIGHT  
E WIND 10 TO 15 KTS VEERING SE AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
 
 
LMZ541>543-131600-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
823 AM CDT THU AUG 13 2026  
   
TODAY  
NE WIND AROUND 5 KTS VEERING SE IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. PATCHY FOG IN THE MORNING. A  
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
TONIGHT  
E WIND 5 TO 10 KTS BACKING NE 10 TO 15 KTS IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. A SLIGHT CHANCE OF  
SHOWERS IN THE EVENING.    
FRIDAY  
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.    
FRIDAY NIGHT  
E WIND 10 TO 15 KTS VEERING SE AFTER MIDNIGHT.  
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT AFTER MIDNIGHT. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
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