645  
FZUS53 KGRB 141825  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
125 PM CDT TUE APR 14 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-142200-  
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-  
125 PM CDT TUE APR 14 2026  
   
THIS AFTERNOON
 
E WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS  
OF DENSE FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TONIGHT
 
E WIND 5 TO 10 KTS BACKING NE IN THE LATE EVENING AND  
OVERNIGHT. WAVES 2 FT OR LESS. A CHANCE OF SHOWERS AND A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. AREAS OF DENSE FOG.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG IN THE MORNING, THEN PATCHY FOG IN THE AFTERNOON. .    
WEDNESDAY NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS.  
 

 
 
LMZ541-142200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
125 PM CDT TUE APR 14 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY
 
 
   
THIS AFTERNOON
 
E WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. WIDESPREAD  
DENSE FOG. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
TONIGHT
 
E WIND 5 TO 10 KTS BACKING NE IN THE LATE EVENING AND  
OVERNIGHT. WAVES 2 FT OR LESS. WIDESPREAD DENSE FOG. A SLIGHT  
CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF SHOWERS.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG IN THE MORNING, THEN PATCHY FOG IN THE AFTERNOON. .    
WEDNESDAY NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS.  
 

 
 
LMZ542-543-142200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
125 PM CDT TUE APR 14 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CDT WEDNESDAY
 
 
   
THIS AFTERNOON
 
E WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. WIDESPREAD  
DENSE FOG. A CHANCE OF THUNDERSTORMS AND A SLIGHT CHANCE OF  
SHOWERS.    
TONIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. WIDESPREAD  
DENSE FOG. SHOWERS LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
EVENING. A SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.    
WEDNESDAY
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG IN THE MORNING, THEN PATCHY FOG IN THE AFTERNOON. A  
CHANCE OF SHOWERS IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
PATCHY FOG IN THE EVENING. SHOWERS LIKELY IN THE EVENING. A  
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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