367  
FZUS53 KGRB 131556  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1056 AM 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-  
1056 AM CDT MON APR 13 2026  
   
THIS AFTERNOON
 
NW WIND 5 TO 10 KTS VEERING NE MID-DAY, THEN  
VEERING E 10 TO 15 KTS EARLY IN THE AFTERNOON. WAVES 2 FT OR  
LESS. PATCHY FOG DURING THE MORNING. A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.    
TONIGHT
 
E WIND 10 TO 15 KTS BACKING NE 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 FT OR LESS. PATCHY FOG IN THE EVENING, THEN  
AREAS OF FOG AFTER MIDNIGHT. RAIN WITH THUNDERSTORMS LIKELY IN  
THE EVENING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT.    
TUESDAY
 
N WIND 5 TO 10 KTS VEERING E IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. AREAS OF FOG IN THE MORNING. .    
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-  
1056 AM CDT MON APR 13 2026  
   
THIS AFTERNOON
 
NW WIND 5 TO 10 KTS VEERING E EARLY IN THE  
AFTERNOON. WAVES 2 TO 4 FT. PATCHY FOG DURING THE MORNING.    
TONIGHT
 
E WIND 10 TO 15 KTS. WAVES 2 TO 4 FT. PATCHY FOG IN  
THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. RAIN WITH  
THUNDERSTORMS LIKELY IN THE EVENING, THEN SHOWERS AND A CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT.    
TUESDAY
 
NW WIND 5 TO 10 KTS VEERING SE EARLY IN THE AFTERNOON.  
WAVES 3 TO 5 FT. AREAS OF FOG IN THE MORNING. PATCHY FOG IN THE  
AFTERNOON. .    
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-  
1056 AM CDT MON APR 13 2026  
   
THIS AFTERNOON
 
W WIND 10 TO 15 KTS BACKING E IN THE LATE  
MORNING AND AFTERNOON. WAVES 1 TO 3 FT. PATCHY DENSE FOG. A  
SLIGHT CHANCE OF LIGHT RAIN AND THUNDERSTORMS IN THE AFTERNOON.    
TONIGHT
 
E WIND 10 TO 15 KTS VEERING SW 5 TO 10 KTS AFTER  
MIDNIGHT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT AFTER MIDNIGHT.  
PATCHY FOG. RAIN WITH THUNDERSTORMS LIKELY IN THE EVENING. A  
CHANCE OF THUNDERSTORMS AND A SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. A SMALL CRAFT ADVISORY MAY BE NEEDED.    
TUESDAY
 
W WIND 5 TO 10 KTS BACKING SE EARLY IN THE AFTERNOON.  
WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON. AREAS OF  
FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON. 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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