738  
FZUS53 KGRB 212119  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
418 PM CDT SUN SEP 21 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF THE SHORE ON LAKE MICHIGAN  
 
LMZ521-522-220100-  
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-  
418 PM CDT SUN SEP 21 2025  
   
REST OF THIS AFTERNOON  
S WIND 5 TO 10 KTS. PATCHY FOG. A  
CHANCE OF LIGHT SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES 2 FT OR LESS.    
TONIGHT  
S WIND AROUND 5 KTS VEERING SW AFTER MIDNIGHT. A  
SLIGHT CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE EVENING.  
PATCHY DENSE FOG. WAVES 2 FT OR LESS.    
MONDAY  
SW WIND AROUND 5 KTS BACKING S IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. A CHANCE OF LIGHT SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
MONDAY NIGHT  
SE WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE EVENING. PATCHY  
FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. WAVES 2 FT  
OR LESS.    
TUESDAY  
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 
 
 
LMZ541-220100-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
418 PM CDT SUN SEP 21 2025  
   
REST OF THIS AFTERNOON  
S WIND 5 TO 10 KTS. PATCHY FOG. A  
CHANCE OF LIGHT SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES 1 TO 3 FT.    
TONIGHT  
S WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS IN THE EVENING. AREAS OF DENSE FOG. WAVES 2 FT  
OR LESS.    
MONDAY  
S WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. A CHANCE  
OF LIGHT SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
WAVES 2 FT OR LESS.    
MONDAY NIGHT  
S WIND AROUND 5 KTS BACKING NE AFTER MIDNIGHT. A  
CHANCE OF LIGHT SHOWERS AND THUNDERSTORMS IN THE EVENING. PATCHY  
FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT. WAVES 2 FT  
OR LESS.    
TUESDAY  
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 
 
 
LMZ542-543-220100-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
418 PM CDT SUN SEP 21 2025  
   
REST OF THIS AFTERNOON  
S WIND 5 TO 10 KTS. PATCHY FOG. A  
CHANCE OF LIGHT SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES 1 TO 3 FT.    
TONIGHT  
SW WIND 5 TO 10 KTS. A SLIGHT CHANCE OF LIGHT SHOWERS  
AND THUNDERSTORMS IN THE EVENING. AREAS OF DENSE FOG. WAVES 2 FT  
OR LESS.    
MONDAY  
SW WIND AROUND 5 KTS BACKING S IN THE AFTERNOON. PATCHY  
FOG IN THE MORNING. A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.    
MONDAY NIGHT  
S WIND AROUND 5 KTS BACKING N AFTER MIDNIGHT.  
PATCHY FOG IN THE EVENING. AREAS OF FOG AFTER MIDNIGHT. A CHANCE  
OF LIGHT SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.    
TUESDAY  
NE WIND 5 TO 10 KTS. PATCHY FOG IN THE MORNING. .  
WAVES 2 FT OR LESS.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab WI Page
Main Text Page