170  
FZUS53 KGRB 220219  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
919 PM CDT TUE JUL 21 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-221000-  
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-  
919 PM CDT TUE JUL 21 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT WEDNESDAY  
 
   
REST OF TONIGHT  
N WIND 10 TO 20 KTS BACKING NW 5 TO 10 KTS  
AFTER MIDNIGHT. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT AFTER  
MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN CLEARING.    
WEDNESDAY  
NW WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.   
WEDNESDAY NIGHT  
NW WIND 5 TO 10 KTS BACKING W IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. CLEAR.   
THURSDAY  
SW WIND 5 TO 10 KTS INCREASING TO 10 TO 15 KTS EARLY  
IN THE AFTERNOON. WAVES 2 FT OR LESS. SUNNY.  
 
 
 
LMZ541>543-221000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
919 PM CDT TUE JUL 21 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT WEDNESDAY  
 
   
REST OF TONIGHT  
NW WIND 10 TO 15 KTS. WAVES 3 TO 5 FT. PARTLY  
CLOUDY.    
WEDNESDAY  
NW WIND 5 TO 10 KTS BACKING W EARLY IN THE  
AFTERNOON. WAVES 1 TO 3 FT. MOSTLY SUNNY.    
WEDNESDAY NIGHT  
W WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. CLEAR.   
THURSDAY  
W WIND 5 TO 10 KTS BACKING SW 10 TO 15 KTS IN THE  
LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FT. SUNNY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
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