042  
FZUS53 KMKX 080610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
110 AM CDT SAT AUG 8 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-080900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
110 AM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.    
SATURDAY
 
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON, THEN BACKING SOUTHWEST LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
SATURDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES AROUND 1 FOOT.    
SUNDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH LATE IN THE  
MORNING, THEN RISING TO 15 TO 20 KNOTS IN THE AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS THROUGH  
THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND  
1 FOOT BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.  
 

 
LMZ644-080900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
110 AM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
WEST WIND 10 TO 15 KNOTS. PARTLY CLOUDY. WAVES  
AROUND 1 FOOT.    
SATURDAY
 
NORTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON, THEN BACKING SOUTHWEST LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
SATURDAY NIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES NEARLY CALM.    
SUNDAY
 
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS LATE  
IN THE MORNING, THEN BECOMING SOUTH 10 TO 15 KNOTS IN THE  
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE  
OF SHOWERS THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
LMZ645-080900-  
NORTH POINT LIGHT TO WIND POINT WI-  
110 AM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST  
EARLY IN THE MORNING. PARTLY CLOUDY. WAVES AROUND 1 FOOT.    
SATURDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN  
THE MORNING, THEN BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE  
AFTERNOON VEERING SOUTHEAST LATE IN THE AFTERNOON. SUNNY. WAVES  
AROUND 1 FOOT.    
SATURDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER  
MIDNIGHT. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. CHANCE OF SHOWERS THROUGH THE DAY.  
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
LMZ646-080900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
110 AM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST  
10 TO 15 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH THE NIGHT. WAVES AROUND 1 FOOT.    
SATURDAY
 
WEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE IN  
THE MORNING, THEN BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE  
AFTERNOON VEERING EAST LATE IN THE AFTERNOON. SUNNY. WAVES AROUND  
1 FOOT.    
SATURDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS AFTER  
MIDNIGHT. CLEAR. WAVES NEARLY CALM.    
SUNDAY
 
SOUTH WIND 5 TO 15 KNOTS BECOMING 10 TO 15 KNOTS LATE  
IN THE MORNING, THEN BECOMING SOUTH 10 TO 15 KNOTS IN THE  
AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE  
OF SHOWERS THROUGH THE DAY. CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR MONDAY THROUGH WEDNESDAY.  
 
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