631  
FZUS53 KGRB 080624  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
124 AM CDT WED APR 8 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-081000-  
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 WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
REST OF THE NIGHT
 
S WIND 10 TO 20 KTS. WAVES 2 TO 4 FT. A  
CHANCE OF LIGHT SNOW.    
WEDNESDAY
 
S WIND TO 30 KTS WITH GALE FORCE GUSTS TO AROUND  
35 KTS. WAVES 4 TO 7 FT. LIGHT SNOW AND LIGHT SLEET LIKELY IN THE  
MORNING. A CHANCE OF LIGHT RAIN.    
WEDNESDAY NIGHT
 
S WIND 15 TO 25 KTS WITH GALE FORCE GUSTS TO  
AROUND 35 KTS VEERING SW 10 TO 15 KTS IN THE LATE EVENING AND  
OVERNIGHT. WAVES 4 TO 7 FT SUBSIDING TO 1 TO 3 FT AFTER MIDNIGHT.  
RAIN IN THE EVENING.    
THURSDAY
 
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. MOSTLY SUNNY.  
 

 
 
LMZ541-081000-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
124 AM CDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
 
 
...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH  
THIS EVENING...  
   
REST OF THE NIGHT
 
S WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. PARTLY  
CLOUDY.    
WEDNESDAY
 
S WIND TO 30 KTS INCREASING TO GALES TO 35 KTS IN  
THE LATE MORNING AND AFTERNOON. GUSTS TO 40 KTS. WAVES 8 TO 12 FT  
BUILDING TO 10 TO 14 FT IN THE AFTERNOON. LIGHT SNOW AND LIGHT  
SLEET LIKELY IN THE MORNING. A CHANCE OF LIGHT RAIN.    
WEDNESDAY NIGHT
 
S WIND TO 30 KTS WITH GALE FORCE GUSTS TO  
AROUND 40 KTS BECOMING SW 10 TO 20 KTS WITH GALE FORCE GUSTS TO  
AROUND 40 KTS IN THE LATE EVENING AND OVERNIGHT. WAVES 12 TO  
16 FT SUBSIDING TO 6 TO 10 FT AFTER MIDNIGHT. RAIN IN THE  
EVENING.    
THURSDAY
 
W WIND 10 TO 15 KTS. WAVES 4 TO 7 FT SUBSIDING TO  
2 TO 4 FT IN THE AFTERNOON. MOSTLY SUNNY. A SMALL CRAFT ADVISORY  
MAY BE NEEDED.  
 

 
 
LMZ542-543-081000-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
124 AM CDT WED APR 8 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
 
 
...GALE WARNING IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH  
THIS EVENING...  
   
REST OF THE NIGHT
 
S WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. A  
CHANCE OF LIGHT SNOW.    
WEDNESDAY
 
S WIND TO 30 KTS INCREASING TO GALES TO 35 KTS IN  
THE LATE MORNING AND AFTERNOON. GUSTS TO 40 KTS. WAVES 8 TO 12 FT  
BUILDING TO 10 TO 14 FT IN THE AFTERNOON. LIGHT SNOW AND LIGHT  
SLEET LIKELY IN THE MORNING. A CHANCE OF LIGHT RAIN.    
WEDNESDAY NIGHT
 
S WIND TO 30 KTS WITH GALE FORCE GUSTS TO  
AROUND 35 KTS BECOMING SW 10 TO 20 KTS WITH GALE FORCE GUSTS TO  
AROUND 35 KTS IN THE LATE EVENING AND OVERNIGHT. WAVES 10 TO  
14 FT SUBSIDING TO 5 TO 8 FT AFTER MIDNIGHT. RAIN IN THE EVENING,  
THEN A CHANCE OF LIGHT RAIN AFTER MIDNIGHT.    
THURSDAY
 
W WIND 10 TO 15 KTS. WAVES 3 TO 5 FT SUBSIDING TO  
1 TO 3 FT IN THE AFTERNOON. MOSTLY SUNNY. A SMALL CRAFT ADVISORY  
MAY BE NEEDED.  
 

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