446  
FZUS53 KMKX 200210  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
910 PM CDT THU MAR 19 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-201000-  
SHEBOYGAN TO PORT WASHINGTON WI-  
910 PM CDT THU MAR 19 2026  
   
REST OF TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
FRIDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN THE  
MORNING, THEN BECOMING NORTHWEST 10 TO 15 KNOTS EARLY IN THE  
AFTERNOON BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.  
MOSTLY CLOUDY. WAVES 1 TO 2 FEET.    
FRIDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS BACKING NORTHWEST LATE  
IN THE EVENING, THEN BACKING SOUTHWEST AFTER MIDNIGHT BACKING  
SOUTH EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
SATURDAY
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS IN  
THE LATE MORNING AND AFTERNOON. PARTLY SUNNY. WAVES AROUND  
1 FOOT.  
 

 
LMZ644-201000-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
910 PM CDT THU MAR 19 2026  
   
REST OF TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN VEERING SOUTHWEST EARLY IN THE  
MORNING. MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
FRIDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN THE  
MORNING, THEN BECOMING NORTHWEST 10 TO 15 KNOTS EARLY IN THE  
AFTERNOON BECOMING NORTH 5 TO 10 KNOTS LATE IN THE AFTERNOON.  
MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
FRIDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS BECOMING SOUTH AFTER  
MIDNIGHT, THEN RISING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
SATURDAY
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTH 10 TO  
15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND  
1 FOOT.  
 

 
LMZ645-201000-  
NORTH POINT LIGHT TO WIND POINT WI-  
910 PM CDT THU MAR 19 2026  
   
REST OF TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN VEERING SOUTHWEST EARLY IN THE  
MORNING. MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
FRIDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN THE  
MORNING, THEN VEERING NORTH EARLY IN THE AFTERNOON EASING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.   
FRIDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE  
IN THE EVENING, THEN BECOMING SOUTHEAST AFTER MIDNIGHT BECOMING  
SOUTH EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
SATURDAY
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
EARLY IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO 15 KNOTS LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.  
 

 
LMZ646-201000-  
WIND POINT WI TO WINTHROP HARBOR IL-  
910 PM CDT THU MAR 19 2026  
   
REST OF TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS BECOMING SOUTHWEST  
10 TO 15 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY JUST BEFORE MIDNIGHT  
THEN BECOMING MOSTLY CLOUDY. WAVES AROUND 1 FOOT.    
FRIDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN THE  
MORNING, THEN VEERING NORTH EARLY IN THE AFTERNOON EASING TO 5 TO  
10 KNOTS LATE IN THE AFTERNOON. MOSTLY CLOUDY. WAVES 1 TO 2 FEET.   
FRIDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE  
IN THE EVENING, THEN BECOMING EAST AFTER MIDNIGHT BECOMING SOUTH  
EARLY IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND  
1 FOOT.    
SATURDAY
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
EARLY IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO 15 KNOTS LATE  
IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
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