258  
FZUS53 KMKX 090805  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
305 AM CDT TUE SEP 9 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-092100-  
SHEBOYGAN TO PORT WASHINGTON WI-  
305 AM CDT TUE SEP 9 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
 
 
   
EARLY THIS MORNING
 
SOUTH WIND 15 TO 20 KNOTS. PARTLY CLOUDY.  
WAVES 3 TO 4 FEET.    
TODAY
 
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO 20 KNOTS LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES 2 TO 4 FEET.    
TONIGHT
 
SOUTH WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS  
LATE IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER  
MIDNIGHT. MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET AFTER MIDNIGHT.    
WEDNESDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHEAST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.  
 

 
LMZ644-092100-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
305 AM CDT TUE SEP 9 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY.  
WAVES 2 TO 4 FEET.    
TODAY
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 1 TO  
2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN VEERING SOUTHWEST EARLY IN THE MORNING.  
MOSTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE  
LATE EVENING AND OVERNIGHT.    
WEDNESDAY
 
WEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN  
THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHEAST  
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.  
 

 
LMZ645-092100-  
NORTH POINT LIGHT TO WIND POINT WI-  
305 AM CDT TUE SEP 9 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY.  
WAVES 1 TO 2 FEET.    
TODAY
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY SUNNY. WAVES 1 TO  
2 FEET.    
TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN VEERING SOUTHWEST EARLY IN THE MORNING.  
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
WEDNESDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST  
AFTER MIDNIGHT. PARTLY CLOUDY. WAVES AROUND 1 FOOT.  
 

 
LMZ646-092100-  
WIND POINT WI TO WINTHROP HARBOR IL-  
305 AM CDT TUE SEP 9 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 10 TO 15 KNOTS. PARTLY CLOUDY.  
WAVES 1 TO 3 FEET.    
TODAY
 
SOUTH WIND 10 TO 15 KNOTS BACKING SOUTHEAST LATE IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTH 5 TO  
10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN VEERING  
SOUTHWEST EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.   
WEDNESDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.  
 
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