824  
FZUS53 KMKX 091610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1110 AM CDT SUN AUG 9 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-092200-  
SHEBOYGAN TO PORT WASHINGTON WI-  
1110 AM CDT SUN AUG 9 2026  
 
...SEVERE THUNDERSTORM WATCH 546 IN EFFECT UNTIL 2 PM CDT THIS  
AFTERNOON...  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS. GUSTS UP TO 20 KNOTS  
EARLY IN THE AFTERNOON. SHOWERS LIKELY AND SLIGHT CHANCE OF  
THUNDERSTORMS EARLY IN THE AFTERNOON, THEN SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS BACKING EAST LATE IN THE  
EVENING, THEN VEERING SOUTHEAST AFTER MIDNIGHT VEERING WEST EARLY  
IN THE MORNING. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES AROUND 1 FOOT.    
MONDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHWEST  
AFTER MIDNIGHT, THEN BACKING EAST EARLY IN THE MORNING. AND  
PATCHY FOG. WAVES AROUND 1 FOOT.  
 

 
LMZ644-092200-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
1110 AM CDT SUN AUG 9 2026  
 
...SEVERE THUNDERSTORM WATCH 546 IN EFFECT UNTIL 2 PM CDT THIS  
AFTERNOON...  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS. SHOWERS AND A CHANCE  
OF THUNDERSTORMS EARLY IN THE AFTERNOON, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN THE  
EVENING, THEN VEERING SOUTH AFTER MIDNIGHT VEERING WEST EARLY IN  
THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH  
THE NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
MONDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE IN  
THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES AROUND 1 FOOT.    
MONDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST AFTER  
MIDNIGHT. AND PATCHY FOG. WAVES AROUND 1 FOOT.  
 

 
LMZ645-092200-  
NORTH POINT LIGHT TO WIND POINT WI-  
1110 AM CDT SUN AUG 9 2026  
 
...SEVERE THUNDERSTORM WATCH 546 IN EFFECT UNTIL 2 PM CDT THIS  
AFTERNOON...  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS. SHOWERS LIKELY AND A  
CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON, THEN CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO  
2 FEET.    
TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN THE  
EVENING, THEN VEERING SOUTH AFTER MIDNIGHT VEERING WEST EARLY IN  
THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH  
AROUND MIDNIGHT, THEN CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT. PATCHY FOG 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 VEERING  
SOUTHEAST LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING. WAVES  
AROUND 1 FOOT.    
MONDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING EAST AFTER  
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.  
 

 
LMZ646-092200-  
WIND POINT WI TO WINTHROP HARBOR IL-  
1110 AM CDT SUN AUG 9 2026  
 
...SEVERE THUNDERSTORM WATCH 546 IN EFFECT UNTIL 2 PM CDT THIS  
AFTERNOON...  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS. SHOWERS AND A CHANCE  
OF THUNDERSTORMS EARLY IN THE AFTERNOON, THEN CHANCE OF SHOWERS  
AND THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 2 FEET.    
TONIGHT
 
SOUTH WIND 5 TO 10 KNOTS VEERING WEST EARLY IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH  
AROUND MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS 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 VEERING  
SOUTHEAST LATE IN THE AFTERNOON. PATCHY FOG IN THE MORNING.  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.  
WAVES AROUND 1 FOOT.    
MONDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST AFTER  
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH THE  
NIGHT. PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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