027  
FZUS53 KGRB 260521  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1221 AM CDT SUN APR 26 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-261000-  
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-  
1221 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG AFTER MIDNIGHT.    
SUNDAY  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF DENSE  
FOG IN THE MORNING.    
SUNDAY NIGHT  
E WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY.    
MONDAY  
SE WIND 10 TO 20 KTS. WAVES 1 TO 3 FT. RAIN SHOWERS  
LIKELY IN THE AFTERNOON.  
 
 
 
LMZ541-261000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1221 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG AFTER MIDNIGHT.    
SUNDAY  
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. MOSTLY CLOUDY  
IN THE MORNING THEN BECOMING PARTLY CLOUDY.    
SUNDAY NIGHT  
NE WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS IN  
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FT. PARTLY CLOUDY.    
MONDAY  
SE WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS EARLY  
IN THE AFTERNOON. WAVES 4 TO 7 FT. A CHANCE OF SHOWERS IN THE  
AFTERNOON. A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 
 
 
LMZ542-543-261000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1221 AM CDT SUN APR 26 2026  
   
REST OF THE NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG AFTER MIDNIGHT.    
SUNDAY  
E WIND 5 TO 10 KTS VEERING SE MID-DAY, THEN BACKING E  
EARLY IN THE AFTERNOON. WAVES 2 FT OR LESS. PATCHY DENSE FOG.    
SUNDAY NIGHT  
NE WIND 5 TO 10 KTS VEERING SE 10 TO 15 KTS, THEN  
INCREASING TO 15 TO 25 KTS AFTER MIDNIGHT. WAVES 2 FT OR LESS  
BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. PARTLY CLOUDY. A SMALL  
CRAFT ADVISORY MAY BE NEEDED.    
MONDAY  
SE WIND TO 30 KTS. WAVES 4 TO 7 FT BUILDING TO 6 TO  
10 FT IN THE AFTERNOON. RAIN SHOWERS LIKELY IN THE AFTERNOON.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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