538  
FZUS53 KMKX 310005  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
705 PM CDT FRI MAY 30 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-310400-  
SHEBOYGAN TO PORT WASHINGTON WI-  
705 PM CDT FRI MAY 30 2025  
   
TONIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS VEERING NORTH WITH GUSTS TO AROUND 20 KNOTS LATE IN THE  
EVENING, THEN BECOMING NORTH 10 TO 15 KNOTS AFTER MIDNIGHT.  
PATCHY SMOKE THROUGH AROUND MIDNIGHT. NUMEROUS THUNDERSTORMS IN  
THE EVENING. ISOLATED SHOWERS THROUGH AROUND MIDNIGHT. WAVES 1 TO  
2 FEET.    
SATURDAY
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON, THEN VEERING EAST LATE IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHWEST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
SUNDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING NORTHEAST EARLY IN  
THE AFTERNOON, THEN VEERING SOUTH LATE IN THE AFTERNOON. SUNNY.  
WAVES AROUND 1 FOOT.  
 

 
LMZ644-310400-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
705 PM CDT FRI MAY 30 2025  
   
TONIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS VEERING NORTH WITH GUSTS TO AROUND 20 KNOTS IN THE LATE  
EVENING AND EARLY MORNING, THEN BECOMING NORTH 10 TO 15 KNOTS  
EARLY IN THE MORNING. NUMEROUS SHOWERS AND THUNDERSTORMS IN THE  
EVENING. SLIGHT CHANCE OF SHOWERS LATE IN THE EVENING. PATCHY  
SMOKE UNTIL EARLY MORNING. WAVES 1 TO 2 FEET.    
SATURDAY
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON, THEN VEERING EAST LATE IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
SATURDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS VEERING NORTHWEST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES AROUND 1 FOOT.    
SUNDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING EAST EARLY IN THE  
AFTERNOON, THEN VEERING SOUTHEAST LATE IN THE AFTERNOON. SUNNY.  
WAVES AROUND 1 FOOT.  
 

 
LMZ645-310400-  
NORTH POINT LIGHT TO WIND POINT WI-  
705 PM CDT FRI MAY 30 2025  
   
TONIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS VEERING NORTH AFTER MIDNIGHT. SCATTERED SHOWERS AND  
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS LATE IN  
THE EVENING. PATCHY SMOKE UNTIL EARLY MORNING. WAVES 1 TO 2 FEET.   
SATURDAY
 
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST EARLY IN  
THE AFTERNOON, THEN EASING TO 5 TO 10 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN  
THE LATE MORNING AND EARLY AFTERNOON, THEN SUBSIDING TO 1 TO  
3 FEET LATE IN THE AFTERNOON.    
SATURDAY NIGHT
 
SOUTHEAST WIND 5 TO 10 KNOTS BACKING NORTHWEST  
EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHWEST WIND 5 TO 10 KNOTS VEERING NORTH LATE IN THE  
MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON VEERING  
SOUTHEAST LATE IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.  
 

 
LMZ646-310400-  
WIND POINT WI TO WINTHROP HARBOR IL-  
705 PM CDT FRI MAY 30 2025  
   
TONIGHT
 
NORTHWEST WIND 5 TO 10 KNOTS WITH GUSTS TO AROUND  
20 KNOTS BECOMING NORTH 10 TO 15 KNOTS IN THE LATE EVENING AND  
OVERNIGHT. NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS IN THE  
EVENING. CHANCE OF SHOWERS LATE IN THE EVENING, THEN SLIGHT  
CHANCE OF SHOWERS AFTER MIDNIGHT. PATCHY SMOKE THROUGH THE NIGHT.  
WAVES 1 TO 2 FEET.    
SATURDAY
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET BUILDING  
TO 2 TO 4 FEET LATE IN THE MORNING, THEN SUBSIDING TO 1 TO 3 FEET  
IN THE AFTERNOON.    
SATURDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BECOMING NORTHEAST LATE  
IN THE EVENING, THEN BECOMING NORTH AFTER MIDNIGHT BACKING  
NORTHWEST EARLY IN THE MORNING. MOSTLY CLEAR. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST LATE IN  
THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR MONDAY THROUGH WEDNESDAY.  
 
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