604  
FZUS53 KMKX 151205  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
705 AM CDT MON SEP 15 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-151600-  
SHEBOYGAN TO PORT WASHINGTON WI-  
705 AM CDT MON SEP 15 2025  
   
TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN EASING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST EARLY  
IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH LATE IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.    
TUESDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS LATE  
IN THE EVENING, THEN BECOMING SOUTH 5 KNOTS AFTER MIDNIGHT  
VEERING WEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND  
1 FOOT.  
 

 
LMZ644-151600-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
705 AM CDT MON SEP 15 2025  
   
TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING EAST 5 TO  
10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST EARLY  
IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
TUESDAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES AROUND  
1 FOOT.    
TUESDAY NIGHT
 
SOUTHEAST WIND 5 KNOTS BACKING NORTH EARLY IN  
THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ645-151600-  
NORTH POINT LIGHT TO WIND POINT WI-  
705 AM CDT MON SEP 15 2025  
   
TODAY
 
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING EAST 5 TO  
10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST EARLY  
IN THE MORNING. MOSTLY 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 KNOTS BECOMING NORTHEAST LATE IN THE  
EVENING, THEN BECOMING NORTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT.  
MOSTLY CLEAR. WAVES AROUND 1 FOOT.  
 

 
LMZ646-151600-  
WIND POINT WI TO WINTHROP HARBOR IL-  
705 AM CDT MON SEP 15 2025  
   
TODAY
 
SOUTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON, THEN 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. MOSTLY 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. MOSTLY CLEAR.  
WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
 
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