414  
FZUS53 KGRB 190048  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
748 PM CDT MON AUG 18 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-190800-  
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-  
748 PM CDT MON AUG 18 2025  
   
TONIGHT  
E WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS IN THE  
EVENING. PATCHY FOG AFTER MIDNIGHT. WAVES 2 FT OR LESS.    
TUESDAY  
N WIND 5 TO 10 KTS. A CHANCE OF SPRINKLES IN THE  
AFTERNOON. WAVES 2 FT OR LESS.    
TUESDAY NIGHT  
N WIND 5 TO 10 KTS. MOSTLY CLOUDY. WAVES 1 TO  
3 FT.    
WEDNESDAY  
NE WIND 5 TO 10 KTS. MOSTLY SUNNY. WAVES 1 TO 3 FT.  
 
 
 
LMZ541-190800-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
748 PM CDT MON AUG 18 2025  
   
TONIGHT  
SE WIND 10 TO 20 KTS. LIGHT SHOWERS LIKELY IN THE  
EVENING, THEN A SLIGHT CHANCE OF LIGHT SHOWERS AFTER MIDNIGHT.  
WAVES 1 TO 3 FT.    
TUESDAY  
NE WIND 5 TO 10 KTS. A CHANCE OF LIGHT SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FT.    
TUESDAY NIGHT  
N WIND 10 TO 15 KTS. MOSTLY CLOUDY. WAVES 1 TO  
3 FT.    
WEDNESDAY  
N WIND 10 TO 15 KTS. MOSTLY SUNNY. WAVES 2 FT OR  
LESS.  
 
 
 
LMZ542-543-190800-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
748 PM CDT MON AUG 18 2025  
   
TONIGHT  
SE WIND 10 TO 15 KTS VEERING S 5 TO 10 KTS AFTER  
MIDNIGHT. A CHANCE OF LIGHT SHOWERS IN THE EVENING. PATCHY FOG  
AFTER MIDNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT AFTER  
MIDNIGHT.    
TUESDAY  
NW WIND 5 TO 10 KTS VEERING N IN THE AFTERNOON. MOSTLY  
CLOUDY. WAVES 1 TO 3 FT.    
TUESDAY NIGHT  
N WIND 10 TO 15 KTS. PARTLY CLOUDY IN THE  
EVENING THEN BECOMING MOSTLY CLOUDY. WAVES 1 TO 3 FT.    
WEDNESDAY  
N WIND 10 TO 20 KTS. PARTLY CLOUDY. WAVES 1 TO 3 FT.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
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