551  
FZUS53 KMKX 051610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1110 AM CDT WED AUG 5 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-052200-  
SHEBOYGAN TO PORT WASHINGTON WI-  
1110 AM CDT WED AUG 5 2026  
   
REST OF TODAY
 
SOUTH WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FOOT.    
TONIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHEAST LATE IN  
THE EVENING, THEN BECOMING NORTHWEST AFTER MIDNIGHT VEERING NORTH  
EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
THROUGH AROUND MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND  
1 FOOT.    
THURSDAY
 
NORTH WIND 5 KNOTS BECOMING SOUTHEAST EARLY IN THE  
AFTERNOON, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS LATE IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES NEARLY CALM.    
THURSDAY NIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES NEARLY CALM.  
 

 
LMZ644-052200-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
1110 AM CDT WED AUG 5 2026  
   
REST OF TODAY
 
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST  
LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES AROUND 1 FOOT.    
TONIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST LATE IN THE  
EVENING, THEN BECOMING NORTHWEST AFTER MIDNIGHT VEERING NORTH  
EARLY IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS THROUGH AROUND MIDNIGHT. PATCHY FOG AFTER MIDNIGHT.  
WAVES NEARLY CALM.    
THURSDAY
 
NORTH WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE IN  
THE MORNING, THEN BECOMING EAST EARLY IN THE AFTERNOON BECOMING  
EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES  
NEARLY CALM.    
THURSDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS EASING TO 5 KNOTS  
LATE IN THE EVENING, THEN VEERING SOUTHWEST AFTER MIDNIGHT  
BECOMING SOUTHWEST 5 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR.  
WAVES NEARLY CALM.  
 

 
LMZ645-052200-  
NORTH POINT LIGHT TO WIND POINT WI-  
1110 AM CDT WED AUG 5 2026  
   
REST OF TODAY
 
EAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE  
IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES AROUND 1 FOOT.    
TONIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING NORTH AFTER  
MIDNIGHT, THEN RISING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THROUGH  
AROUND MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
THURSDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES NEARLY CALM.    
THURSDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE  
IN THE EVENING, THEN VEERING SOUTH AFTER MIDNIGHT VEERING  
SOUTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES NEARLY CALM.  
 

 
LMZ646-052200-  
WIND POINT WI TO WINTHROP HARBOR IL-  
1110 AM CDT WED AUG 5 2026  
   
REST OF TODAY
 
SOUTHEAST WIND 5 TO 10 KNOTS. CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES AROUND 1 FOOT.    
TONIGHT
 
NORTH WIND 5 TO 10 KNOTS EASING TO 5 KNOTS AFTER  
MIDNIGHT, THEN RISING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
PATCHY FOG THROUGH THE NIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS THROUGH AROUND MIDNIGHT. ISOLATED SHOWERS AFTER  
MIDNIGHT. WAVES AROUND 1 FOOT.    
THURSDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
AFTERNOON. PATCHY FOG IN THE MORNING. WAVES NEARLY CALM.    
THURSDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST LATE  
IN THE EVENING, THEN VEERING SOUTH AFTER MIDNIGHT VEERING  
SOUTHWEST EARLY IN THE MORNING. PARTLY CLOUDY. WAVES NEARLY CALM.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
 
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