321  
FZUS53 KMKX 160210  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
910 PM CDT FRI MAY 15 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-161000-  
SHEBOYGAN TO PORT WASHINGTON WI-  
910 PM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY  
 
   
REST OF TONIGHT  
SOUTH WIND 15 TO 20 KNOTS BECOMING 10 TO  
20 KNOTS EARLY IN THE MORNING. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES 4 TO 6 FEET.    
SATURDAY  
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST LATE IN  
THE AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES  
3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.    
SATURDAY NIGHT  
WEST WIND 10 TO 15 KNOTS BECOMING NORTHWEST  
5 TO 10 KNOTS LATE IN THE EVENING, THEN VEERING NORTH 5 TO  
15 KNOTS AFTER MIDNIGHT VEERING NORTHEAST 10 TO 15 KNOTS EARLY IN  
THE MORNING. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES 1 TO  
2 FEET.    
SUNDAY  
NORTHEAST WIND 10 TO 15 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN RISING TO 15 TO 20 KNOTS EARLY IN THE AFTERNOON  
VEERING SOUTHEAST LATE IN THE AFTERNOON. CHANCE OF SHOWERS  
THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.  
WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET LATE IN THE AFTERNOON.  
 
 
LMZ644-161000-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
910 PM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY  
 
   
REST OF TONIGHT  
SOUTH WIND 15 TO 20 KNOTS BECOMING 10 TO  
20 KNOTS AFTER MIDNIGHT, THEN BECOMING 10 TO 15 KNOTS EARLY IN  
THE MORNING. CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. RAIN SHOWERS  
AFTER MIDNIGHT. SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE  
MORNING. WAVES 3 TO 4 FEET.    
SATURDAY  
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST LATE IN  
THE MORNING, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS IN THE  
AFTERNOON. PARTLY SUNNY IN THE MORNING THEN CLEARING. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND  
AFTERNOON.    
SATURDAY NIGHT  
WEST WIND 5 TO 10 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT, THEN RISING TO 10 TO 15 KNOTS EARLY IN THE MORNING.  
CHANCE OF SHOWERS AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
SUNDAY  
NORTHEAST WIND 10 TO 15 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST 15 TO 20 KNOTS IN THE AFTERNOON.  
CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS  
IN THE AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 3 TO 4 FEET IN  
THE LATE MORNING AND AFTERNOON.  
 
 
LMZ645-161000-  
NORTH POINT LIGHT TO WIND POINT WI-  
910 PM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY  
 
   
REST OF TONIGHT  
SOUTH WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS AFTER MIDNIGHT. WAVES 3 TO 4 FEET.    
SATURDAY  
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS  
LATE IN THE AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES  
1 TO 2 FEET.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTHEAST  
AFTER MIDNIGHT, THEN BECOMING EAST 10 TO 15 KNOTS EARLY IN THE  
MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
SUNDAY  
NORTHEAST WIND 10 TO 15 KNOTS VEERING EAST LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST 15 TO 20 KNOTS IN THE AFTERNOON.  
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO  
2 FEET BUILDING TO 3 TO 4 FEET IN THE LATE MORNING AND AFTERNOON.  
 
 
LMZ646-161000-  
WIND POINT WI TO WINTHROP HARBOR IL-  
910 PM CDT FRI MAY 15 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT SATURDAY  
 
   
REST OF TONIGHT  
SOUTH WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. THUNDERSTORMS LIKELY AND A CHANCE  
OF SHOWERS AFTER MIDNIGHT. RAIN SHOWERS AND A CHANCE OF  
THUNDERSTORMS EARLY IN THE MORNING. WAVES 3 TO 4 FEET.    
SATURDAY  
SOUTHWEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS  
EARLY IN THE AFTERNOON, THEN BECOMING SOUTHWEST 5 TO 10 KNOTS  
LATE IN THE AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES  
1 TO 2 FEET.    
SATURDAY NIGHT  
SOUTHWEST WIND 5 TO 10 KNOTS BACKING SOUTH  
AFTER MIDNIGHT, THEN BACKING EAST EARLY IN THE MORNING. CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES  
AROUND 1 FOOT.    
SUNDAY  
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST WITH GUSTS  
TO AROUND 20 KNOTS EARLY IN THE AFTERNOON, THEN RISING TO 15 TO  
20 KNOTS LATE IN THE AFTERNOON. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. WAVES 1 TO 2 FEET BUILDING TO 2 TO  
4 FEET IN THE AFTERNOON.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR MONDAY THROUGH WEDNESDAY.  
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