488  
FZUS53 KGRB 150857  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
357 AM CDT WED APR 15 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-151600-  
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-  
357 AM CDT WED APR 15 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING  
 
   
EARLY THIS MORNING  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
WIDESPREAD DENSE FOG.    
TODAY  
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.    
TONIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG. A CHANCE OF SHOWERS.    
THURSDAY  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PATCHY FOG  
IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING.    
THURSDAY NIGHT  
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. PARTLY  
CLOUDY IN THE EVENING THEN BECOMING MOSTLY CLOUDY.  
 
 
 
LMZ541-151600-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
357 AM CDT WED APR 15 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING  
 
   
EARLY THIS MORNING  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
WIDESPREAD DENSE FOG.    
TODAY  
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.    
TONIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG. A CHANCE OF SHOWERS.    
THURSDAY  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF FOG  
IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING.    
THURSDAY NIGHT  
NE WIND 5 TO 10 KTS VEERING SE AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE EVENING THEN BECOMING  
MOSTLY CLOUDY.  
 
 
 
LMZ542-543-151600-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
357 AM CDT WED APR 15 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING  
 
   
EARLY THIS MORNING  
N WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
WIDESPREAD DENSE FOG. A SLIGHT CHANCE OF SHOWERS.    
TODAY  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF DENSE  
FOG. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.    
TONIGHT  
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
THURSDAY  
N WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. AREAS OF  
DENSE FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING,  
THEN A CHANCE OF LIGHT RAIN IN THE AFTERNOON.    
THURSDAY NIGHT  
NE WIND 5 TO 10 KTS VEERING SE IN THE LATE  
EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. PARTLY CLOUDY IN THE  
EVENING THEN BECOMING MOSTLY CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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