842  
FZUS53 KMKX 090610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
110 AM CDT SUN AUG 9 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-090900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
110 AM CDT SUN AUG 9 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES AROUND 1 FOOT.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 20 KNOTS IN THE AFTERNOON. CHANCE OF SHOWERS  
IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE DAY.  
SHOWERS IN THE AFTERNOON. WAVES AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
LATE IN THE EVENING, THEN BECOMING WEST AFTER MIDNIGHT BECOMING  
NORTHWEST EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH AROUND MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.  
WAVES 1 TO 2 FEET.    
MONDAY
 
NORTH WIND 5 KNOTS BECOMING NORTHEAST LATE IN THE  
MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON BECOMING EAST  
5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND  
1 FOOT.  
 

 
LMZ644-090900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
110 AM CDT SUN AUG 9 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. MOSTLY CLEAR.  
WAVES NEARLY CALM.    
SUNDAY
 
SOUTH WIND 5 TO 15 KNOTS BECOMING 10 TO 15 KNOTS WITH  
GUSTS TO AROUND 20 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON,  
THEN BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE AFTERNOON. CHANCE  
OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING,  
THEN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
WAVES AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 5 TO 15 KNOTS BECOMING 5 TO 10 KNOTS  
LATE IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT  
VEERING NORTHWEST EARLY IN THE MORNING. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS THROUGH AROUND MIDNIGHT, THEN  
SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. PATCHY FOG AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET.    
MONDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING EAST IN THE AFTERNOON.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES AROUND 1 FOOT.  
 

 
LMZ645-090900-  
NORTH POINT LIGHT TO WIND POINT WI-  
110 AM CDT SUN AUG 9 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CLEAR. WAVES  
NEARLY CALM.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE MORNING, THEN SHOWERS AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
LATE IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT  
VEERING WEST EARLY IN THE MORNING. CHANCE OF SHOWERS AND  
THUNDERSTORMS THROUGH AROUND MIDNIGHT, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
LMZ646-090900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
110 AM CDT SUN AUG 9 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CLEAR. WAVES  
NEARLY CALM.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTH 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. SLIGHT  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN SHOWERS  
LIKELY AND A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES  
AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO  
10 KNOTS AFTER MIDNIGHT, THEN VEERING WEST EARLY IN THE MORNING.  
SHOWERS LIKELY THROUGH AROUND MIDNIGHT. CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO  
2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING EAST IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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