036  
FZUS53 KGRB 170624  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
124 AM CDT FRI APR 17 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-171000-  
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-  
124 AM CDT FRI APR 17 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH  
LATE TONIGHT...  
   
REST OF THE NIGHT
 
S WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
AREAS OF DENSE FOG.    
FRIDAY
 
S WIND 5 TO 10 KTS INCREASING TO 15 TO 25 KTS IN THE  
LATE MORNING AND AFTERNOON. WAVES 2 TO 4 FT. PATCHY FOG IN THE  
MORNING. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON.    
FRIDAY NIGHT
 
S WIND 15 TO 25 KTS VEERING W 10 TO 20 KTS AFTER  
MIDNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT AFTER MIDNIGHT.  
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING.    
SATURDAY
 
W WIND 15 TO 25 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.  
A SMALL CRAFT ADVISORY MAY BE NEEDED.  
 

 
 
LMZ541-171000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
124 AM CDT FRI APR 17 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH  
SATURDAY MORNING...  
   
REST OF THE NIGHT
 
S WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
WIDESPREAD DENSE FOG.    
FRIDAY
 
S WIND 15 TO 25 KTS. WAVES 1 TO 3 FT BUILDING TO 4 TO  
7 FT IN THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING.    
FRIDAY NIGHT
 
S WIND 15 TO 25 KTS VEERING W AFTER MIDNIGHT.  
WAVES 4 TO 7 FT. RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY
 
W WIND 10 TO 15 KTS. WAVES 3 TO 5 FT SUBSIDING TO  
1 TO 3 FT IN THE AFTERNOON. PARTLY CLOUDY.  
 

 
 
LMZ542-543-171000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
124 AM CDT FRI APR 17 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH  
SATURDAY MORNING...  
   
REST OF THE NIGHT
 
S WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.  
WIDESPREAD DENSE FOG.    
FRIDAY
 
S WIND 10 TO 15 KTS INCREASING TO TO 30 KTS IN THE LATE  
MORNING AND AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT IN  
THE AFTERNOON. AREAS OF DENSE FOG IN THE MORNING. A SLIGHT CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
S WIND TO 30 KTS VEERING W 15 TO 25 KTS AFTER  
MIDNIGHT. WAVES 5 TO 8 FT SUBSIDING TO 4 TO 7 FT AFTER MIDNIGHT.  
RAIN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE EVENING, THEN A  
CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY
 
W WIND 15 TO 25 KTS. WAVES 3 TO 5 FT SUBSIDING TO  
1 TO 3 FT IN THE AFTERNOON. PARTLY CLOUDY.  
 

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