579  
FZUS53 KGRB 011651  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
1151 AM CDT WED APR 1 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-012200-  
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-  
1151 AM CDT WED APR 1 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING  
 
   
THIS AFTERNOON  
NE WIND 10 TO 20 KTS. WAVES 1 TO 3 FT. PARTLY  
SUNNY.    
TONIGHT  
E WIND 15 TO 25 KTS. WAVES 2 TO 4 FT BUILDING TO 4 TO  
7 FT AFTER MIDNIGHT. A CHANCE OF FREEZING RAIN AND LIGHT SLEET  
AFTER MIDNIGHT.    
THURSDAY  
E WIND TO 30 KTS BECOMING NE 10 TO 20 KTS EARLY IN  
THE AFTERNOON. WAVES 4 TO 7 FT. RAIN AND FREEZING RAIN.    
THURSDAY NIGHT  
NE WIND 10 TO 15 KTS VEERING SW 15 TO 25 KTS,  
THEN VEERING W 10 TO 20 KTS AFTER MIDNIGHT. WAVES 3 TO 5 FT  
SUBSIDING TO 1 TO 3 FT AFTER MIDNIGHT. RAIN AND A CHANCE OF  
THUNDERSTORMS IN THE EVENING. A SMALL CRAFT ADVISORY MAY BE  
NEEDED.  
 
 
 
LMZ541-012200-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
1151 AM CDT WED APR 1 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
NE WIND 15 TO 25 KTS. WAVES 3 TO 5 FT BUILDING  
TO 4 TO 7 FT IN THE AFTERNOON. PARTLY SUNNY.    
TONIGHT  
E WIND TO 30 KTS. WAVES 4 TO 7 FT. A CHANCE OF LIGHT  
SLEET AND LIGHT FREEZING RAIN AFTER MIDNIGHT.    
THURSDAY  
E WIND TO 30 KTS. WAVES 6 TO 10 FT. SLEET WITH  
FREEZING RAIN LIKELY IN THE MORNING. RAIN.   
THURSDAY NIGHT  
E WIND 15 TO 25 KTS VEERING SW, THEN BECOMING  
SW 15 TO 25 KTS AFTER MIDNIGHT. WAVES 6 TO 10 FT. RAIN AND A  
CHANCE OF THUNDERSTORMS IN THE EVENING.  
 
 
 
LMZ542-543-012200-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
1151 AM CDT WED APR 1 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING  
 
   
THIS AFTERNOON  
NE WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. PARTLY  
SUNNY.    
TONIGHT  
E WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. A CHANCE OF RAIN  
AND FREEZING RAIN AFTER MIDNIGHT.    
THURSDAY  
E WIND TO 30 KTS VEERING SE 15 TO 25 KTS EARLY IN THE  
AFTERNOON. WAVES 6 TO 10 FT. RAIN.   
THURSDAY NIGHT  
S WIND 15 TO 25 KTS VEERING SW TO 30 KTS IN THE  
LATE EVENING AND OVERNIGHT. WAVES 6 TO 10 FT. RAIN AND A CHANCE  
OF THUNDERSTORMS IN THE EVENING.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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