337  
FZUS53 KMKX 300610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
110 AM CDT MON MAR 30 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-300900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
110 AM CDT MON MAR 30 2026  
   
REST OF TONIGHT  
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY. WAVES 1 TO 2 FEET.    
MONDAY  
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTH LATE IN THE  
MORNING, THEN BACKING NORTHEAST EARLY IN THE AFTERNOON RISING TO  
10 TO 15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 20 KNOTS BACKING NORTH 10 TO  
15 KNOTS LATE IN THE EVENING, THEN EASING TO 5 TO 10 KNOTS AFTER  
MIDNIGHT BECOMING NORTH 5 TO 10 KNOTS EARLY IN THE MORNING.  
CHANCE OF RAIN THROUGH AROUND MIDNIGHT. CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. SLIGHT CHANCE OF RAIN AFTER MIDNIGHT. WAVES  
1 TO 2 FEET BUILDING TO 2 TO 4 FEET IN THE LATE EVENING AND  
OVERNIGHT.    
TUESDAY  
EAST WIND 5 TO 10 KNOTS VEERING SOUTH 5 TO 15 KNOTS  
LATE IN THE MORNING, THEN VEERING WEST 10 TO 15 KNOTS WITH GUSTS  
TO AROUND 20 KNOTS EARLY IN THE AFTERNOON VEERING NORTHWEST WITH  
GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN IN  
THE MORNING. CHANCE OF THUNDERSTORMS THROUGH THE DAY. RAIN IN THE  
AFTERNOON. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE LATE  
MORNING AND AFTERNOON.  
 
 
LMZ644-300900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
110 AM CDT MON MAR 30 2026  
   
REST OF TONIGHT  
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.  
WAVES 1 TO 2 FEET.    
MONDAY  
SOUTHWEST WIND 5 TO 10 KNOTS BACKING EAST EARLY IN THE  
AFTERNOON, THEN BACKING NORTHEAST LATE IN THE AFTERNOON. SUNNY.  
WAVES AROUND 1 FOOT.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS BACKING NORTH LATE  
IN THE EVENING, THEN EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT  
VEERING NORTHEAST EARLY IN THE MORNING. CHANCE OF RAIN AND  
THUNDERSTORMS. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET EARLY IN  
THE MORNING.    
TUESDAY  
SOUTHEAST WIND 5 TO 10 KNOTS VEERING SOUTH 5 TO  
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS LATE IN THE MORNING, THEN  
VEERING SOUTHWEST 10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS  
EARLY IN THE AFTERNOON VEERING NORTHWEST WITH GUSTS TO AROUND  
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF RAIN IN THE MORNING.  
CHANCE OF THUNDERSTORMS THROUGH THE DAY. RAIN IN THE AFTERNOON.  
WAVES 1 TO 2 FEET.  
 
 
LMZ645-300900-  
NORTH POINT LIGHT TO WIND POINT WI-  
110 AM CDT MON MAR 30 2026  
   
REST OF TONIGHT  
SOUTHWEST WIND 5 TO 10 KNOTS. PARTLY CLOUDY.  
WAVES AROUND 1 FOOT.    
MONDAY  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST LATE IN THE  
MORNING, THEN BACKING SOUTHEAST EARLY IN THE AFTERNOON BACKING  
EAST LATE IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
MONDAY NIGHT  
NORTHEAST WIND 10 TO 15 KNOTS BACKING NORTHWEST  
5 TO 15 KNOTS AFTER MIDNIGHT, THEN VEERING NORTH 5 TO 10 KNOTS  
EARLY IN THE MORNING. SLIGHT CHANCE OF RAIN AND THUNDERSTORMS  
THROUGH AROUND MIDNIGHT. CHANCE OF RAIN AND THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 1 TO 2 FEET.    
TUESDAY  
SOUTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS WITH  
GUSTS TO AROUND 20 KNOTS LATE IN THE MORNING, THEN VEERING  
SOUTHWEST WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE AFTERNOON  
VEERING NORTHWEST WITH GUSTS TO AROUND 20 KNOTS LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN AND THUNDERSTORMS IN THE  
MORNING, THEN RAIN LIKELY AND A CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON. WAVES 1 TO 2 FEET.  
 
 
LMZ646-300900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
110 AM CDT MON MAR 30 2026  
   
REST OF TONIGHT  
SOUTH WIND 5 TO 10 KNOTS. MOSTLY CLEAR. WAVES  
AROUND 1 FOOT.    
MONDAY  
SOUTH WIND 5 TO 10 KNOTS VEERING SOUTHWEST LATE IN THE  
MORNING, THEN BACKING SOUTH EARLY IN THE AFTERNOON BECOMING  
SOUTHEAST 10 TO 15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES  
AROUND 1 FOOT.    
MONDAY NIGHT  
SOUTHEAST WIND 10 TO 15 KNOTS BACKING EAST 5 TO  
15 KNOTS LATE IN THE EVENING, THEN VEERING SOUTHWEST 10 TO  
15 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST 10 TO 15 KNOTS WITH  
GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. SLIGHT CHANCE OF  
RAIN AND THUNDERSTORMS. WAVES 1 TO 2 FEET.    
TUESDAY  
SOUTHWEST WIND 10 TO 15 KNOTS VEERING NORTHWEST LATE  
IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. SLIGHT CHANCE OF  
THUNDERSTORMS IN THE MORNING. SLIGHT CHANCE OF RAIN THROUGH THE  
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET EARLY IN THE AFTERNOON, THEN SUBSIDING TO  
1 TO 2 FEET LATE IN THE AFTERNOON.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
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