489  
FZUS53 KGRB 180015  
NSHGRB  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE GREEN BAY WI  
715 PM CDT TUE MAR 17 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ521-522-180400-  
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-  
715 PM CDT TUE MAR 17 2026  
   
TONIGHT  
S WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE OF  
FLURRIES IN THE EVENING, THEN A CHANCE OF LIGHT SNOW AFTER  
MIDNIGHT.    
WEDNESDAY  
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A CHANCE  
OF LIGHT SNOW AND FREEZING DRIZZLE IN THE MORNING.    
WEDNESDAY NIGHT  
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A  
CHANCE OF LIGHT SNOW IN THE EVENING. A CHANCE OF LIGHT RAIN AND  
LIGHT FREEZING RAIN.    
THURSDAY  
W WIND 5 TO 10 KTS VEERING NE EARLY IN THE AFTERNOON.  
WAVES 2 FT OR LESS. PARTLY CLOUDY.  
 
 
 
LMZ541-180400-  
ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
715 PM CDT TUE MAR 17 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH  
WEDNESDAY EVENING...  
   
TONIGHT  
SW WIND 10 TO 15 KTS. WAVES 1 TO 3 FT BUILDING TO 3 TO  
5 FT AFTER MIDNIGHT. A CHANCE OF LIGHT SNOW AFTER MIDNIGHT.    
WEDNESDAY  
SW WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS  
EARLY IN THE AFTERNOON. WAVES 4 TO 7 FT. A CHANCE OF LIGHT SNOW  
AND FREEZING DRIZZLE IN THE MORNING.    
WEDNESDAY NIGHT  
SW WIND 10 TO 15 KTS. WAVES 3 TO 5 FT. A  
CHANCE OF LIGHT SNOW IN THE EVENING. A CHANCE OF LIGHT RAIN.    
THURSDAY  
W WIND 5 TO 10 KTS VEERING N IN THE LATE MORNING AND  
AFTERNOON. WAVES 1 TO 3 FT. PARTLY CLOUDY.  
 
 
 
LMZ542-543-180400-  
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-  
715 PM CDT TUE MAR 17 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT WEDNESDAY THROUGH  
WEDNESDAY EVENING...  
   
TONIGHT  
SW WIND 10 TO 15 KTS BACKING S 15 TO 25 KTS AFTER  
MIDNIGHT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT AFTER MIDNIGHT. A  
CHANCE OF FLURRIES IN THE EVENING, THEN A CHANCE OF LIGHT SNOW  
AFTER MIDNIGHT.    
WEDNESDAY  
SW WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS  
EARLY IN THE AFTERNOON. WAVES 4 TO 7 FT. A CHANCE OF LIGHT SNOW  
AND FREEZING DRIZZLE IN THE MORNING.    
WEDNESDAY NIGHT  
SW WIND 10 TO 15 KTS. WAVES 2 TO 4 FT  
SUBSIDING TO 1 TO 3 FT AFTER MIDNIGHT. A CHANCE OF LIGHT RAIN AND  
LIGHT SNOW IN THE EVENING, THEN LIGHT RAIN LIKELY AFTER MIDNIGHT.   
THURSDAY  
W WIND 5 TO 10 KTS VEERING N IN THE LATE MORNING AND  
AFTERNOON. WAVES 2 FT OR LESS. MOSTLY CLOUDY IN THE MORNING THEN  
BECOMING PARTLY CLOUDY.  
 
 
 
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.  
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