073  
FZUS53 KGRB 292300  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
559 PM CDT WED APR 29 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-300400-  
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-  
559 PM CDT WED APR 29 2026  
   
LATE THIS AFTERNOON  
W WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
RAIN SHOWERS LIKELY.    
TONIGHT  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. RAIN SHOWERS  
LIKELY IN THE EVENING.    
THURSDAY  
NW WIND 5 TO 10 KTS BACKING SW MID-DAY, THEN BACKING  
E EARLY IN THE AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS.    
THURSDAY NIGHT  
NE WIND 5 TO 10 KTS BACKING NW AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. A CHANCE OF SHOWERS IN THE EVENING.    
FRIDAY  
NW WIND 5 TO 10 KTS VEERING NE EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ541-300400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
559 PM CDT WED APR 29 2026  
   
LATE THIS AFTERNOON  
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.    
TONIGHT  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. RAIN SHOWERS  
LIKELY IN THE EVENING.    
THURSDAY  
NW WIND 5 TO 10 KTS BACKING SW IN THE LATE MORNING  
AND AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS.    
THURSDAY NIGHT  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS IN THE EVENING.    
FRIDAY  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY SUNNY IN  
THE MORNING THEN BECOMING PARTLY CLOUDY.  
 
 
 
LMZ542-543-300400-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
559 PM CDT WED APR 29 2026  
   
LATE THIS AFTERNOON  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.    
TONIGHT  
NW WIND 5 TO 10 KTS VEERING N IN THE LATE EVENING AND  
OVERNIGHT. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS IN THE  
EVENING.    
THURSDAY  
NW WIND 5 TO 10 KTS VEERING SE IN THE LATE MORNING  
AND AFTERNOON. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS.    
THURSDAY NIGHT  
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. A CHANCE OF SHOWERS IN THE EVENING.    
FRIDAY  
N WIND 5 TO 10 KTS VEERING E EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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