406  
FZUS53 KMKX 050010  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
710 PM CDT SAT JUL 4 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-050400-  
SHEBOYGAN TO PORT WASHINGTON WI-  
710 PM CDT SAT JUL 4 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT SUNDAY
 
 
   
TONIGHT
 
NORTH WIND 10 TO 15 KNOTS WITH GUSTS TO AROUND  
20 KNOTS EASING TO 5 TO 10 KNOTS LATE IN THE EVENING, THEN RISING  
TO 10 TO 15 KNOTS AFTER MIDNIGHT VEERING NORTHEAST EARLY IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE EVENING. PATCHY DENSE  
FOG IN THE EVENING, THEN AREAS OF DENSE FOG LATE IN THE EVENING.  
PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTHEAST WIND 10 TO 15 KNOTS. PATCHY DENSE FOG IN THE  
MORNING. WAVES 1 TO 3 FEET.    
SUNDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.    
MONDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.  
 

 
LMZ644-050400-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
710 PM CDT SAT JUL 4 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT SUNDAY
 
 
   
TONIGHT
 
NORTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
AFTER MIDNIGHT, THEN BECOMING NORTH 10 TO 15 KNOTS EARLY IN THE  
MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING, THEN SLIGHT CHANCE OF SHOWERS LATE IN THE EVENING.  
PATCHY DENSE FOG IN THE EVENING, THEN AREAS OF DENSE FOG LATE IN  
THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST IN THE LATE  
MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHEAST 10 TO  
15 KNOTS LATE IN THE AFTERNOON. PATCHY DENSE FOG IN THE MORNING.  
WAVES 1 TO 3 FEET.    
SUNDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET  
SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.    
MONDAY
 
NORTHEAST WIND 5 TO 10 KNOTS. SUNNY. WAVES 1 TO 2 FEET.  
 

 
LMZ645-050400-  
NORTH POINT LIGHT TO WIND POINT WI-  
710 PM CDT SAT JUL 4 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT SUNDAY
 
 
   
TONIGHT
 
NORTH WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
AFTER MIDNIGHT, THEN BECOMING NORTH 10 TO 15 KNOTS EARLY IN THE  
MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN  
THE EVENING. SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND  
EARLY MORNING. PATCHY DENSE FOG IN THE EVENING, THEN AREAS OF  
DENSE FOG LATE IN THE EVENING. PATCHY DENSE FOG AFTER MIDNIGHT.  
WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST IN THE LATE  
MORNING AND EARLY AFTERNOON, THEN BACKING NORTH LATE IN THE  
AFTERNOON. PATCHY DENSE FOG IN THE MORNING. SLIGHT CHANCE OF  
SHOWERS IN THE MORNING. WAVES 1 TO 3 FEET.    
SUNDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET.    
MONDAY
 
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS EARLY  
IN THE AFTERNOON BACKING NORTH LATE IN THE AFTERNOON. SUNNY.  
WAVES 1 TO 2 FEET.  
 

 
LMZ646-050400-  
WIND POINT WI TO WINTHROP HARBOR IL-  
710 PM CDT SAT JUL 4 2026  
   
..DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT SUNDAY
 
 
   
TONIGHT
 
NORTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS IN  
THE LATE EVENING AND EARLY MORNING, THEN RISING TO 10 TO 15 KNOTS  
EARLY IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS IN THE EVENING. SLIGHT CHANCE OF SHOWERS IN THE  
LATE EVENING AND EARLY MORNING. PATCHY DENSE FOG THROUGH THE  
NIGHT. WAVES 1 TO 2 FEET.    
SUNDAY
 
NORTH WIND 10 TO 15 KNOTS. PATCHY DENSE FOG IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 1 TO  
2 FEET.    
SUNDAY NIGHT
 
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS AFTER MIDNIGHT. PARTLY CLOUDY. WAVES 2 TO 4 FEET.    
MONDAY
 
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING NORTHEAST 10 TO 15 KNOTS EARLY  
IN THE AFTERNOON BACKING NORTH LATE IN THE AFTERNOON. SUNNY.  
WAVES 1 TO 2 FEET.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR TUESDAY THROUGH THURSDAY.  
 
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