863  
FZUS53 KMKX 100405  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1105 PM CDT TUE SEP 9 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-101000-  
SHEBOYGAN TO PORT WASHINGTON WI-  
1105 PM CDT TUE SEP 9 2025  
   
REST OF TONIGHT  
SOUTH WIND 10 TO 15 KNOTS EASING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. PARTLY 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  
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHEAST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES AROUND  
1 FOOT.  
 
 
LMZ644-101000-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
1105 PM CDT TUE SEP 9 2025  
   
REST OF TONIGHT  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
EARLY IN THE MORNING. PARTLY 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.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST EARLY IN  
THE AFTERNOON, THEN BACKING NORTHEAST LATE IN THE AFTERNOON.  
SUNNY. WAVES AROUND 1 FOOT.  
 
 
LMZ645-101000-  
NORTH POINT LIGHT TO WIND POINT WI-  
1105 PM CDT TUE SEP 9 2025  
   
REST OF TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
AROUND 1 FOOT.    
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.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST IN THE LATE  
MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST 10 TO  
15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.  
 
 
LMZ646-101000-  
WIND POINT WI TO WINTHROP HARBOR IL-  
1105 PM CDT TUE SEP 9 2025  
   
REST OF TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. PARTLY CLOUDY. WAVES  
AROUND 1 FOOT.    
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.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST IN THE LATE  
MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST 10 TO  
15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
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