828  
FZUS53 KMKX 200410  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1110 PM CDT SUN OCT 19 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-201000-  
SHEBOYGAN TO PORT WASHINGTON WI-  
1110 PM CDT SUN OCT 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
REST OF TONIGHT  
WEST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES AROUND 1 FOOT.    
MONDAY  
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE MORNING, THEN RISING TO 15 TO 25 KNOTS EARLY  
IN THE AFTERNOON RISING TO UP TO 30 KNOTS LATE IN THE AFTERNOON.  
SUNNY. WAVES AROUND 1 FOOT BUILDING TO 6 TO 8 FEET.    
MONDAY NIGHT  
SOUTH WIND UP TO 30 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN BECOMING WEST 15 TO 25 KNOTS AFTER MIDNIGHT  
EASING TO 10 TO 20 KNOTS EARLY IN THE MORNING. RAIN SHOWERS.  
WAVES 8 TO 10 FEET SUBSIDING TO 3 TO 5 FEET.    
TUESDAY  
WEST WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
RISING TO 15 TO 25 KNOTS LATE IN THE MORNING, THEN RISING TO UP  
TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS EARLY IN THE AFTERNOON  
RISING TO GALES TO 35 KNOTS LATE IN THE AFTERNOON. SLIGHT CHANCE  
OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.  
WAVES 4 TO 6 FEET.  
 
 
LMZ644-201000-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
1110 PM CDT SUN OCT 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
REST OF TONIGHT  
WEST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 TO 2 FEET.    
MONDAY  
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE MORNING, THEN RISING TO 15 TO 25 KNOTS EARLY  
IN THE AFTERNOON BECOMING SOUTH 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES AROUND 1 FOOT  
BUILDING TO 5 TO 7 FEET.    
MONDAY NIGHT  
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN VEERING WEST AFTER MIDNIGHT BECOMING 15 TO  
20 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. RAIN  
SHOWERS. WAVES 6 TO 8 FEET SUBSIDING TO 5 TO 7 FEET LATE IN THE  
EVENING, THEN SUBSIDING TO 3 TO 5 FEET AFTER MIDNIGHT SUBSIDING  
TO 3 TO 4 FEET EARLY IN THE MORNING.    
TUESDAY  
WEST WIND 10 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
RISING TO 15 TO 25 KNOTS LATE IN THE MORNING, THEN RISING TO  
GALES TO 35 KNOTS IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN  
THE MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 4 TO  
6 FEET.  
 
 
LMZ645-201000-  
NORTH POINT LIGHT TO WIND POINT WI-  
1110 PM CDT SUN OCT 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
REST OF TONIGHT  
WEST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 TO 2 FEET.    
MONDAY  
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE MORNING, THEN RISING TO 15 TO 25 KNOTS EARLY  
IN THE AFTERNOON BECOMING SOUTH 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET  
BUILDING TO 4 TO 6 FEET IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN VEERING WEST AFTER MIDNIGHT BECOMING 15 TO  
20 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. RAIN  
SHOWERS. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO 5 FEET AFTER  
MIDNIGHT.    
TUESDAY  
WEST WIND 15 TO 25 KNOTS RISING TO GALES TO 35 KNOTS  
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FEET.  
 
 
LMZ646-201000-  
WIND POINT WI TO WINTHROP HARBOR IL-  
1110 PM CDT SUN OCT 19 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
WEDNESDAY EVENING...  
   
REST OF TONIGHT  
WEST WIND 10 TO 20 KNOTS BECOMING 10 TO  
15 KNOTS EARLY IN THE MORNING. CLEAR. WAVES 1 TO 2 FEET.    
MONDAY  
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE MORNING, THEN RISING TO 15 TO 25 KNOTS EARLY  
IN THE AFTERNOON BECOMING SOUTH 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 30 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 1 TO 2 FEET  
BUILDING TO 4 TO 6 FEET.    
MONDAY NIGHT  
SOUTH WIND 15 TO 25 KNOTS VEERING SOUTHWEST LATE  
IN THE EVENING, THEN VEERING WEST AFTER MIDNIGHT BECOMING 15 TO  
20 KNOTS EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. CHANCE OF  
SHOWERS AFTER MIDNIGHT. WAVES 5 TO 7 FEET SUBSIDING TO 3 TO  
5 FEET AFTER MIDNIGHT.    
TUESDAY  
WEST WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND 25 KNOTS  
BECOMING 15 TO 25 KNOTS LATE IN THE MORNING, THEN RISING TO UP TO  
30 KNOTS WITH GUSTS TO AROUND 35 KNOTS IN THE AFTERNOON. SLIGHT  
CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY IN THE  
AFTERNOON. WAVES 1 TO 2 FEET BUILDING TO 3 TO 5 FEET.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
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