238  
FZUS53 KMKX 090210  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
910 PM CDT SAT AUG 8 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-091000-  
SHEBOYGAN TO PORT WASHINGTON WI-  
910 PM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CLEAR. WAVES  
AROUND 1 FOOT.    
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 IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH  
THE DAY. SHOWERS LIKELY IN THE AFTERNOON. WAVES AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 5 TO 15 KNOTS VEERING SOUTHWEST 5 TO  
10 KNOTS IN THE LATE EVENING AND EARLY MORNING, THEN VEERING  
NORTHWEST EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS THROUGH  
AROUND MIDNIGHT. CHANCE OF SHOWERS THROUGH THE NIGHT. PATCHY FOG  
AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
MONDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND  
1 FOOT.  
 

 
LMZ644-091000-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
910 PM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CLEAR. WAVES  
AROUND 1 FOOT.    
SUNDAY
 
SOUTH WIND 5 TO 15 KNOTS BECOMING 10 TO 15 KNOTS IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN BECOMING SOUTH 10 TO  
15 KNOTS LATE IN THE AFTERNOON. SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING, THEN SHOWERS LIKELY AND A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FOOT.    
SUNDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING WEST EARLY IN  
THE MORNING. CHANCE OF THUNDERSTORMS THROUGH AROUND MIDNIGHT.  
CHANCE OF SHOWERS THROUGH THE NIGHT. SLIGHT CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES  
1 TO 2 FEET.    
MONDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN THE  
MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON BECOMING EAST  
5 TO 10 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS THROUGH  
THE DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND  
1 FOOT.  
 

 
LMZ645-091000-  
NORTH POINT LIGHT TO WIND POINT WI-  
910 PM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTHWEST WIND 5 TO 10 KNOTS. CLEAR. WAVES  
AROUND 1 FOOT.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS. SHOWERS AND SLIGHT CHANCE OF  
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 EASING TO 5 TO 10 KNOTS  
LATE IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT  
BECOMING SOUTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING. CHANCE OF  
THUNDERSTORMS THROUGH AROUND MIDNIGHT. SHOWERS LIKELY THROUGH THE  
NIGHT. SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO  
2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
AFTERNOON. CHANCE OF SHOWERS THROUGH THE DAY. CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON. WAVES AROUND 1 FOOT.  
 

 
LMZ646-091000-  
WIND POINT WI TO WINTHROP HARBOR IL-  
910 PM CDT SAT AUG 8 2026  
   
REST OF TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
AFTER MIDNIGHT. CLEAR. WAVES NEARLY CALM.    
SUNDAY
 
SOUTH WIND 10 TO 15 KNOTS. SHOWERS LIKELY AND A CHANCE  
OF THUNDERSTORMS THROUGH THE DAY. 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  
BECOMING SOUTHWEST 5 TO 10 KNOTS EARLY IN THE MORNING. SHOWERS  
LIKELY THROUGH AROUND MIDNIGHT. CHANCE OF THUNDERSTORMS THROUGH  
THE NIGHT. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO  
2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN  
THE MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON BECOMING  
EAST 5 TO 10 KNOTS LATE 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 TUESDAY THROUGH THURSDAY.  
 
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