598  
FZUS53 KMKX 291410  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
910 AM CDT SUN MAR 29 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-292200-  
SHEBOYGAN TO PORT WASHINGTON WI-  
910 AM CDT SUN MAR 29 2026  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS RISING TO 15 TO  
20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET IN THE AFTERNOON.    
TONIGHT
 
SOUTH WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 20 KNOTS IN THE LATE EVENING AND EARLY  
MORNING, THEN VEERING SOUTHWEST EARLY IN THE MORNING. MOSTLY  
CLEAR. WAVES 3 TO 4 FEET.    
MONDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
LATE IN THE MORNING, THEN BECOMING SOUTHEAST 10 TO 15 KNOTS IN  
THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
EAST WIND 15 TO 20 KNOTS BECOMING NORTHEAST 10 TO  
15 KNOTS LATE IN THE EVENING, THEN BACKING NORTHWEST AFTER  
MIDNIGHT BACKING WEST EARLY IN THE MORNING. RAIN LIKELY AND A  
CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. WAVES 2 TO 4 FEET.  
 

 
LMZ644-292200-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
910 AM CDT SUN MAR 29 2026  
   
REST OF TODAY
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH WITH  
GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.  
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST EARLY IN  
THE MORNING. MOSTLY CLEAR. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET AFTER MIDNIGHT.    
MONDAY
 
SOUTHWEST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BACKING SOUTHEAST 5 TO 15 KNOTS EARLY  
IN THE AFTERNOON VEERING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTHEAST WIND 10 TO 15 KNOTS BECOMING SOUTHWEST  
15 TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN THROUGH AROUND  
MIDNIGHT. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY  
AFTER MIDNIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY  
IN THE MORNING.  
 

 
LMZ645-292200-  
NORTH POINT LIGHT TO WIND POINT WI-  
910 AM CDT SUN MAR 29 2026  
   
REST OF TODAY
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH WITH  
GUSTS TO AROUND 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY.  
WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST EARLY IN  
THE MORNING. PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET IN THE LATE EVENING AND OVERNIGHT.    
MONDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH LATE IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS BECOMING SOUTHWEST  
15 TO 20 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN THROUGH AROUND  
MIDNIGHT. CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. RAIN LIKELY  
AFTER MIDNIGHT. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE  
LATE EVENING AND OVERNIGHT.  
 

 
LMZ646-292200-  
WIND POINT WI TO WINTHROP HARBOR IL-  
910 AM CDT SUN MAR 29 2026  
   
REST OF TODAY
 
SOUTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS. PARTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET  
LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST EARLY IN  
THE MORNING. PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET IN THE LATE EVENING AND OVERNIGHT.    
MONDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH LATE IN THE  
AFTERNOON. PARTLY SUNNY. WAVES 1 TO 2 FEET.    
MONDAY NIGHT
 
SOUTH WIND 10 TO 15 KNOTS VEERING SOUTHWEST AFTER  
MIDNIGHT, THEN RISING TO 15 TO 20 KNOTS EARLY IN THE MORNING.  
CHANCE OF RAIN THROUGH AROUND MIDNIGHT. CHANCE OF THUNDERSTORMS  
THROUGH THE NIGHT. RAIN LIKELY AFTER MIDNIGHT. WAVES 1 TO 3 FEET  
BUILDING TO 2 TO 4 FEET EARLY IN THE MORNING.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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