614  
FZUS53 KMKX 151805  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
105 PM CDT MON SEP 15 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-152200-  
SHEBOYGAN TO PORT WASHINGTON WI-  
105 PM CDT MON SEP 15 2025  
   
REST OF TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST LATE  
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST EARLY IN THE  
MORNING. CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES AROUND  
1 FOOT.    
TUESDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST LATE  
IN THE EVENING, THEN BECOMING SOUTHWEST 5 KNOTS AFTER MIDNIGHT.  
MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ644-152200-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
105 PM CDT MON SEP 15 2025  
   
REST OF TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST LATE  
IN THE AFTERNOON. SUNNY. WAVES 1 TO 3 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST EARLY IN THE  
MORNING. CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES AROUND  
1 FOOT.    
TUESDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BECOMING SOUTH LATE  
IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT VEERING  
WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ645-152200-  
NORTH POINT LIGHT TO WIND POINT WI-  
105 PM CDT MON SEP 15 2025  
   
REST OF TODAY
 
EAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO  
2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST EARLY  
IN THE MORNING. CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
TUESDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE  
IN THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BECOMING  
NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND  
1 FOOT.  
 

 
LMZ646-152200-  
WIND POINT WI TO WINTHROP HARBOR IL-  
105 PM CDT MON SEP 15 2025  
   
REST OF TODAY
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST LATE  
IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST EARLY  
IN THE MORNING. CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
TUESDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS  
LATE IN THE EVENING, THEN RISING TO 5 TO 10 KNOTS AFTER MIDNIGHT  
BECOMING NORTH EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND  
1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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