523  
FZUS53 KGRB 130556  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1256 AM CDT THU AUG 13 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-131000-  
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-  
1256 AM CDT THU AUG 13 2026  
   
REST OF THE NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PARTLY CLOUDY LATE IN THE EVENING THEN BECOMING MOSTLY CLOUDY.    
THURSDAY  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A SLIGHT  
CHANCE OF SHOWERS.    
THURSDAY NIGHT  
E WIND 5 TO 10 KTS BACKING NE IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLOUDY IN THE  
EVENING THEN BECOMING PARTLY CLOUDY.    
FRIDAY  
NE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY.  
 
 
 
LMZ541>543-131000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1256 AM CDT THU AUG 13 2026  
   
REST OF THE NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG AFTER MIDNIGHT.    
THURSDAY  
NE WIND 5 TO 10 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 MORNING.    
THURSDAY NIGHT  
E WIND AROUND 5 KTS BACKING NE IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. MOSTLY CLOUDY.    
FRIDAY  
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
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