649  
FZUS53 KMKX 161810  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
110 PM CDT WED SEP 16 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-162200-  
SHEBOYGAN TO PORT WASHINGTON WI-  
110 PM CDT WED SEP 16 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. MOSTLY CLOUDY.  
WAVES 2 TO 4 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN BACKING NORTH EARLY IN THE MORNING. CHANCE  
OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS IN  
THE MORNING. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT  
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH LATE  
IN THE EVENING, THEN BECOMING NORTH 5 TO 10 KNOTS AFTER MIDNIGHT  
BECOMING NORTHEAST 10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY. WAVES AROUND 1 FOOT.  
 
 
LMZ644-162200-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
110 PM CDT WED SEP 16 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. CLOUDY. WAVES  
2 TO 4 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN BACKING NORTH EARLY IN THE MORNING. CHANCE  
OF SPRINKLES THROUGH AROUND MIDNIGHT, THEN CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 2 FEET IN THE LATE EVENING AND OVERNIGHT.    
THURSDAY  
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST IN THE  
LATE MORNING AND AFTERNOON. CHANCE OF SHOWERS IN THE MORNING.  
WAVES 1 TO 2 FEET.    
THURSDAY NIGHT  
NORTHEAST WIND 5 TO 10 KNOTS BACKING NORTH IN  
THE LATE EVENING AND EARLY MORNING, THEN BECOMING NORTHEAST 10 TO  
15 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.  
 
 
LMZ645-162200-  
NORTH POINT LIGHT TO WIND POINT WI-  
110 PM CDT WED SEP 16 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. CHANCE OF  
SPRINKLES THROUGH THE DAY. WAVES 2 TO 4 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN BACKING NORTH EARLY IN THE MORNING. CHANCE  
OF SPRINKLES THROUGH AROUND MIDNIGHT, THEN CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.    
THURSDAY  
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN  
THE AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO  
2 FEET.    
THURSDAY NIGHT  
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO  
2 FEET.  
 
 
LMZ646-162200-  
WIND POINT WI TO WINTHROP HARBOR IL-  
110 PM CDT WED SEP 16 2026  
   
REST OF TODAY  
NORTHEAST WIND 10 TO 15 KNOTS. CHANCE OF  
SPRINKLES. WAVES 2 TO 4 FEET.    
TONIGHT  
NORTHEAST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
AFTER MIDNIGHT, THEN BACKING NORTH EARLY IN THE MORNING. CHANCE  
OF SPRINKLES THROUGH AROUND MIDNIGHT, THEN CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET IN THE LATE EVENING AND OVERNIGHT.    
THURSDAY  
NORTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN VEERING NORTHEAST LATE  
IN THE AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO  
2 FEET.    
THURSDAY NIGHT  
NORTH WIND 10 TO 15 KNOTS EASING TO 5 TO  
10 KNOTS LATE IN THE EVENING, THEN VEERING NORTHEAST AFTER  
MIDNIGHT RISING TO 10 TO 15 KNOTS EARLY IN THE MORNING. MOSTLY  
CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING PARTLY CLOUDY. WAVES  
1 TO 2 FEET.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
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