034  
FZUS53 KGRB 131807  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
107 PM CDT MON APR 13 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-132200-  
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-  
107 PM CDT MON APR 13 2026  
   
THIS AFTERNOON  
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.    
TONIGHT  
E WIND 10 TO 15 KTS BACKING N 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PATCHY FOG IN THE EVENING. AREAS OF  
DENSE FOG AFTER MIDNIGHT. SHOWERS AND A CHANCE OF THUNDERSTORMS.    
TUESDAY  
N WIND 5 TO 10 KTS VEERING NE IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. PATCHY FOG IN THE MORNING. A  
CHANCE OF SHOWERS IN THE AFTERNOON.    
TUESDAY NIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF SHOWERS.  
 
 
 
LMZ541-132200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
107 PM CDT MON APR 13 2026  
   
THIS AFTERNOON  
E WIND 5 TO 10 KTS. WAVES 2 TO 4 FT. MOSTLY  
CLOUDY.    
TONIGHT  
E WIND 10 TO 15 KTS. WAVES 3 TO 5 FT. PATCHY FOG IN  
THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. SHOWERS AND A  
CHANCE OF THUNDERSTORMS. A SMALL CRAFT ADVISORY MAY BE NEEDED.    
TUESDAY  
N WIND 5 TO 10 KTS VEERING E EARLY IN THE AFTERNOON.  
WAVES 3 TO 5 FT. WIDESPREAD FOG IN THE MORNING. . A SMALL CRAFT  
ADVISORY MAY BE NEEDED.    
TUESDAY NIGHT  
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT.  
WAVES 1 TO 3 FT. A CHANCE OF SHOWERS.  
 
 
 
LMZ542-543-132200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
107 PM CDT MON APR 13 2026  
   
THIS AFTERNOON  
E WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. AREAS OF  
DENSE FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
TONIGHT  
E WIND 10 TO 15 KTS VEERING SW AFTER MIDNIGHT. WAVES  
3 TO 5 FT. PATCHY FOG IN THE EVENING. AREAS OF DENSE FOG AFTER  
MIDNIGHT. THUNDERSTORMS LIKELY IN THE EVENING. RAIN SHOWERS. A  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. A SMALL CRAFT ADVISORY  
MAY BE NEEDED.    
TUESDAY  
NW WIND 5 TO 10 KTS VEERING E IN THE LATE MORNING AND  
AFTERNOON. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT IN THE  
AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. . A SMALL CRAFT  
ADVISORY MAY BE NEEDED.    
TUESDAY NIGHT  
N WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. RAIN  
SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN  
A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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