872  
FZUS53 KMKX 100805  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
305 AM CDT WED SEP 10 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-102100-  
SHEBOYGAN TO PORT WASHINGTON WI-  
305 AM CDT WED SEP 10 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
TODAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN  
THE AFTERNOON. ISOLATED SHOWERS EARLY IN THE AFTERNOON. WAVES  
AROUND 1 FOOT.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST LATE IN THE  
EVENING, THEN EASING TO 5 KNOTS AFTER MIDNIGHT RISING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND  
1 FOOT.    
THURSDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ644-102100-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
305 AM CDT WED SEP 10 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
TODAY
 
SOUTHWEST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE IN  
THE MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON  
BACKING EAST LATE IN THE AFTERNOON. ISOLATED SHOWERS EARLY IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST LATE IN THE  
EVENING, THEN EASING TO 5 KNOTS AFTER MIDNIGHT RISING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND  
1 FOOT.    
THURSDAY
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ645-102100-  
NORTH POINT LIGHT TO WIND POINT WI-  
305 AM CDT WED SEP 10 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.  
WAVES AROUND 1 FOOT.    
TODAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BACKING  
EAST LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
TONIGHT
 
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 BECOMING EAST 5 TO 10 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST EARLY  
IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ646-102100-  
WIND POINT WI TO WINTHROP HARBOR IL-  
305 AM CDT WED SEP 10 2025  
   
EARLY THIS MORNING
 
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLOUDY.  
WAVES AROUND 1 FOOT.    
TODAY
 
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BACKING  
EAST LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
TONIGHT
 
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 LATE IN THE  
MORNING, THEN BECOMING EAST 5 TO 10 KNOTS IN THE AFTERNOON.  
SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
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