891  
FZUS53 KGRB 192010  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
310 PM CDT TUE AUG 19 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-200100-  
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-  
310 PM CDT TUE AUG 19 2025  
   
REST OF THIS AFTERNOON  
NE WIND 5 TO 10 KTS. A CHANCE OF  
SPRINKLES. WAVES 2 FT OR LESS.    
TONIGHT  
NE WIND 10 TO 15 KTS. A CHANCE OF LIGHT SHOWERS.  
PATCHY FOG AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
WEDNESDAY  
NE WIND 10 TO 20 KTS. A CHANCE OF SPRINKLES IN THE  
MORNING. WAVES 2 FT OR LESS.    
WEDNESDAY NIGHT  
NE WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT  
OR LESS.    
THURSDAY  
NE WIND 5 TO 10 KTS VEERING E IN THE AFTERNOON.  
SUNNY. WAVES 2 FT OR LESS.  
 
 
 
LMZ541-200100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
310 PM CDT TUE AUG 19 2025  
   
REST OF THIS AFTERNOON  
NE WIND 5 TO 10 KTS. A CHANCE OF  
SPRINKLES. WAVES 1 TO 3 FT.    
TONIGHT  
NE WIND 10 TO 15 KTS. PATCHY FOG AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
WEDNESDAY  
NE WIND 10 TO 20 KTS. MOSTLY CLOUDY IN THE MORNING  
THEN CLEARING. WAVES 2 FT OR LESS.    
WEDNESDAY NIGHT  
NE WIND 5 TO 10 KTS. MOSTLY CLEAR. WAVES 2 FT  
OR LESS.    
THURSDAY  
NE WIND AROUND 5 KTS VEERING E IN THE AFTERNOON.  
SUNNY. WAVES 2 FT OR LESS.  
 
 
 
LMZ542-543-200100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
310 PM CDT TUE AUG 19 2025  
   
REST OF THIS AFTERNOON  
NE WIND 5 TO 10 KTS. A CHANCE OF  
SPRINKLES. WAVES 1 TO 3 FT.    
TONIGHT  
NE WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
WEDNESDAY  
NE WIND 10 TO 20 KTS. A CHANCE OF LIGHT SHOWERS.  
WAVES 1 TO 3 FT.    
WEDNESDAY NIGHT  
NE WIND 10 TO 15 KTS. MOSTLY CLEAR. WAVES 1 TO  
3 FT.    
THURSDAY  
NE WIND 5 TO 10 KTS. SUNNY. WAVES 2 FT OR LESS.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
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