429  
FZUS53 KGRB 242048  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
348 PM CDT THU JUL 24 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-250415-  
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-  
348 PM CDT THU JUL 24 2025  
   
TONIGHT
 
NE WIND 5 TO 10 KTS BACKING N AFTER MIDNIGHT. WAVES  
2 FT OR LESS. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. PATCHY FOG AFTER MIDNIGHT.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING SE IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. AREAS OF SMOKE.    
FRIDAY NIGHT
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
SMOKE.    
SATURDAY
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS.  
 

 
 
LMZ541-250415-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
348 PM CDT THU JUL 24 2025  
   
TONIGHT
 
NE WIND 5 TO 10 KTS BACKING N IN THE LATE EVENING AND  
OVERNIGHT. WAVES 1 TO 3 FT. A SLIGHT CHANCE OF SHOWERS IN THE  
EVENING. PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER  
MIDNIGHT.    
FRIDAY
 
N WIND 5 TO 10 KTS VEERING SE IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. AREAS OF FOG IN THE MORNING. AREAS  
OF SMOKE IN THE AFTERNOON.    
FRIDAY NIGHT
 
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
SMOKE.    
SATURDAY
 
S WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. AREAS OF  
SMOKE. A CHANCE OF SHOWERS.  
 

 
 
LMZ542-543-250415-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
348 PM CDT THU JUL 24 2025  
   
TONIGHT
 
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING.  
PATCHY FOG IN THE EVENING, THEN AREAS OF FOG AFTER MIDNIGHT.    
FRIDAY
 
NE WIND 5 TO 10 KTS VEERING E IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. AREAS OF FOG IN THE MORNING, THEN  
AREAS OF SMOKE IN THE AFTERNOON.    
FRIDAY NIGHT
 
E WIND 5 TO 10 KTS VEERING SE AFTER MIDNIGHT.  
WAVES 2 FT OR LESS. AREAS OF SMOKE.    
SATURDAY
 
S WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. AREAS OF  
SMOKE IN THE MORNING. A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.  
 

 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
 
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