424  
FZUS53 KMKX 170605  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
105 AM CDT THU JUL 17 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-170900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
105 AM CDT THU JUL 17 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHWEST WIND 15 TO 20 KNOTS WITH GUSTS TO  
AROUND 25 KNOTS. PATCHY DRIZZLE. WAVES 4 TO 6 FEET SUBSIDING TO  
3 TO 5 FEET EARLY IN THE MORNING.    
THURSDAY
 
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTHEAST LATE  
IN THE AFTERNOON. GUSTS UP TO 25 KNOTS. CLOUDY IN THE MORNING  
THEN BECOMING PARTLY SUNNY. WAVES 3 TO 4 FEET.    
THURSDAY NIGHT
 
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS BECOMING NORTHEAST 10 TO 15 KNOTS LATE IN THE  
EVENING, THEN EASING TO 5 TO 10 KNOTS AFTER MIDNIGHT BECOMING  
NORTHEAST 5 TO 10 KNOTS EARLY IN THE MORNING. MOSTLY CLEAR. WAVES  
3 TO 4 FEET SUBSIDING TO 1 TO 3 FEET EARLY IN THE MORNING.    
FRIDAY
 
EAST WIND 5 TO 10 KNOTS BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND EARLY AFTERNOON, THEN EASING TO  
5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET.  
 

 
LMZ644-170900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
105 AM CDT THU JUL 17 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. PATCHY DRIZZLE EARLY IN THE  
MORNING. WAVES 3 TO 4 FEET.    
THURSDAY
 
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH LATE IN  
THE MORNING, THEN EASING TO 10 TO 15 KNOTS EARLY IN THE AFTERNOON  
VEERING NORTHEAST LATE IN THE AFTERNOON. CLOUDY IN THE MORNING  
THEN BECOMING PARTLY SUNNY. WAVES 3 TO 4 FEET.    
THURSDAY NIGHT
 
NORTHEAST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
MOSTLY CLEAR. WAVES 3 TO 4 FEET.    
FRIDAY
 
NORTHEAST WIND 5 TO 10 KNOTS BECOMING EAST 10 TO  
15 KNOTS LATE IN THE MORNING, THEN VEERING SOUTHEAST EARLY IN THE  
AFTERNOON EASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SUNNY.  
WAVES 1 TO 2 FEET.  
 

 
LMZ645-170900-  
NORTH POINT LIGHT TO WIND POINT WI-  
105 AM CDT THU JUL 17 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 3 TO 4 FEET.    
THURSDAY
 
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH LATE IN  
THE AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING PARTLY SUNNY.  
WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET LATE IN THE AFTERNOON.    
THURSDAY NIGHT
 
NORTH WIND 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. MOSTLY CLEAR.  
WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET IN THE LATE EVENING  
AND OVERNIGHT.    
FRIDAY
 
NORTHEAST WIND 10 TO 15 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS IN THE AFTERNOON.  
MOSTLY SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE  
LATE MORNING AND AFTERNOON.  
 

 
LMZ646-170900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
105 AM CDT THU JUL 17 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
 
 
   
REST OF TONIGHT
 
NORTHWEST WIND 10 TO 15 KNOTS WITH GUSTS TO  
AROUND 20 KNOTS. MOSTLY CLOUDY. WAVES 3 TO 4 FEET.    
THURSDAY
 
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH LATE IN  
THE AFTERNOON. CLOUDY IN THE MORNING THEN BECOMING PARTLY SUNNY.  
WAVES 3 TO 4 FEET BUILDING TO 3 TO 5 FEET LATE IN THE AFTERNOON.    
THURSDAY NIGHT
 
NORTH WIND 15 TO 20 KNOTS BECOMING NORTHEAST  
10 TO 15 KNOTS IN THE LATE EVENING AND OVERNIGHT. PARTLY CLOUDY.  
WAVES 3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET IN THE LATE EVENING  
AND OVERNIGHT.    
FRIDAY
 
NORTHEAST WIND 10 TO 15 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST 5 TO 10 KNOTS EARLY IN THE  
AFTERNOON BACKING EAST LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES  
2 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND  
AFTERNOON.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.  
 
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