833  
FZUS53 KMKX 012010  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
310 PM CDT TUE SEP 1 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-020900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
310 PM CDT TUE SEP 1 2026  
   
THROUGH EARLY EVENING  
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO  
15 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. CHANCE OF  
SPRINKLES. WAVES AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST 5 TO  
10 KNOTS IN THE LATE EVENING AND OVERNIGHT. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT.  
PATCHY FOG AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
WEDNESDAY  
NORTHWEST WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE  
IN THE MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON BACKING  
NORTHEAST LATE IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT  
NORTHEAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST  
AFTER MIDNIGHT, THEN BACKING NORTHEAST EARLY IN THE MORNING.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
AROUND 1 FOOT.    
THURSDAY  
NORTHEAST WIND 5 TO 10 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN BECOMING EAST 5 TO 10 KNOTS IN THE AFTERNOON.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
AROUND 1 FOOT.  
 
 
LMZ644-020900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
310 PM CDT TUE SEP 1 2026  
   
THROUGH EARLY EVENING  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY.  
CHANCE OF SPRINKLES. WAVES AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE  
EVENING AND EARLY MORNING. WAVES AROUND 1 FOOT.    
WEDNESDAY  
WEST WIND 5 TO 10 KNOTS VEERING NORTH LATE IN THE  
MORNING, THEN VEERING SOUTHEAST EARLY IN THE AFTERNOON BACKING  
NORTH LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS BECOMING NORTH  
5 TO 10 KNOTS LATE IN THE EVENING, THEN BACKING NORTHWEST AFTER  
MIDNIGHT BACKING SOUTHEAST EARLY IN THE MORNING. CHANCE OF  
SHOWERS AND THUNDERSTORMS THROUGH THE NIGHT. WAVES AROUND 1 FOOT.   
THURSDAY  
EAST WIND 5 TO 10 KNOTS VEERING SOUTHEAST LATE IN THE  
AFTERNOON. CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF  
SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 
 
LMZ645-020900-  
NORTH POINT LIGHT TO WIND POINT WI-  
310 PM CDT TUE SEP 1 2026  
   
THROUGH EARLY EVENING  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY  
WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT. CHANCE OF SPRINKLES IN THE EVENING. WAVES AROUND  
1 FOOT.    
WEDNESDAY  
SOUTHWEST WIND 5 TO 10 KNOTS VEERING WEST LATE IN  
THE MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON VEERING  
WEST LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.    
WEDNESDAY NIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST  
LATE IN THE EVENING, THEN BECOMING NORTHEAST 5 TO 10 KNOTS AFTER  
MIDNIGHT VEERING SOUTHEAST EARLY IN THE MORNING. SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS THROUGH AROUND MIDNIGHT. CHANCE OF  
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
THURSDAY  
SOUTH WIND 5 TO 10 KNOTS BACKING SOUTHEAST IN THE  
AFTERNOON. CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE OF  
SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 
 
LMZ646-020900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
310 PM CDT TUE SEP 1 2026  
   
THROUGH EARLY EVENING  
SOUTH WIND 5 TO 10 KNOTS. PARTLY SUNNY  
WITH CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES  
AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT. CHANCE OF SPRINKLES IN THE EVENING. WAVES AROUND  
1 FOOT.    
WEDNESDAY  
SOUTHWEST WIND 5 TO 10 KNOTS BECOMING WEST 10 TO  
15 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES AROUND  
1 FOOT.    
WEDNESDAY NIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS BECOMING WEST  
5 TO 10 KNOTS AFTER MIDNIGHT, THEN BACKING SOUTH EARLY IN THE  
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.  
WAVES AROUND 1 FOOT.    
THURSDAY  
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE  
IN THE AFTERNOON. CHANCE OF THUNDERSTORMS IN THE MORNING. CHANCE  
OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES AROUND 1 FOOT.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
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