375  
FZUS53 KMKX 191710  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
1110 AM CST FRI DEC 19 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-192300-  
SHEBOYGAN TO PORT WASHINGTON WI-  
1110 AM CST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CST THIS EVENING  
THROUGH SUNDAY MORNING...  
   
REST OF TODAY
 
NORTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
25 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING WEST 10 TO  
20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 3 TO 4 FEET  
SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE EVENING, THEN RISING TO UP TO 30 KNOTS AFTER  
MIDNIGHT. MOSTLY CLOUDY. WAVES AROUND 1 FOOT BUILDING TO 6 TO  
8 FEET.    
SATURDAY
 
SOUTHWEST WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS  
LATE IN THE MORNING, THEN VEERING WEST 15 TO 25 KNOTS EARLY IN  
THE AFTERNOON RISING TO UP TO 30 KNOTS LATE IN THE AFTERNOON.  
CHANCE OF SNOW AND LIGHT FREEZING RAIN IN THE MORNING, THEN  
SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES 6 TO 8 FEET  
SUBSIDING TO 3 TO 4 FEET.    
SATURDAY NIGHT
 
WEST WIND UP TO 30 KNOTS VEERING NORTHWEST  
EARLY IN THE MORNING. GUSTS UP TO 35 KNOTS. MOSTLY CLEAR. WAVES  
3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET EARLY IN THE MORNING.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
LMZ644-192300-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
1110 AM CST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CST THIS EVENING  
THROUGH SUNDAY MORNING...  
   
REST OF TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS BECOMING WEST  
10 TO 20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO  
4 FEET SUBSIDING TO 1 TO 2 FEET LATE IN THE AFTERNOON.    
TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE EVENING, THEN RISING TO 15 TO 25 KNOTS AFTER  
MIDNIGHT. MOSTLY CLOUDY. WAVES AROUND 1 FOOT BUILDING TO 5 TO  
7 FEET.    
SATURDAY
 
SOUTHWEST WIND 15 TO 25 KNOTS VEERING WEST 15 TO  
20 KNOTS EARLY IN THE AFTERNOON, THEN RISING TO UP TO 30 KNOTS  
LATE IN THE AFTERNOON. CHANCE OF RAIN, SNOW AND LIGHT FREEZING  
RAIN IN THE MORNING, THEN SLIGHT CHANCE OF SNOW IN THE AFTERNOON.  
WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET.    
SATURDAY NIGHT
 
WEST WIND UP TO 30 KNOTS VEERING NORTHWEST  
AFTER MIDNIGHT, THEN EASING TO 15 TO 25 KNOTS EARLY IN THE  
MORNING. MOSTLY CLEAR. WAVES 3 TO 5 FEET SUBSIDING TO 3 TO 4 FEET  
AFTER MIDNIGHT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
LMZ645-192300-  
NORTH POINT LIGHT TO WIND POINT WI-  
1110 AM CST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CST THIS EVENING  
THROUGH SUNDAY MORNING...  
   
REST OF TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS BECOMING WEST  
10 TO 20 KNOTS LATE IN THE AFTERNOON. MOSTLY SUNNY. WAVES 3 TO  
5 FEET SUBSIDING TO 1 TO 2 FEET.    
TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS WITH GUSTS TO AROUND 25 KNOTS LATE IN THE EVENING, THEN  
RISING TO 15 TO 25 KNOTS AFTER MIDNIGHT RISING TO UP TO 30 KNOTS  
EARLY IN THE MORNING. MOSTLY CLOUDY. WAVES 1 TO 2 FEET BUILDING  
TO 5 TO 7 FEET.    
SATURDAY
 
SOUTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
25 KNOTS LATE IN THE MORNING, THEN VEERING WEST 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON BECOMING 15 TO 25 KNOTS LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF RAIN, LIGHT FREEZING RAIN AND SNOW IN  
THE MORNING, THEN CHANCE OF SNOW AND RAIN IN THE AFTERNOON. WAVES  
4 TO 6 FEET.    
SATURDAY NIGHT
 
WEST WIND UP TO 30 KNOTS VEERING NORTHWEST  
AFTER MIDNIGHT, THEN EASING TO 15 TO 25 KNOTS EARLY IN THE  
MORNING. MOSTLY CLEAR. WAVES 3 TO 4 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
LMZ646-192300-  
WIND POINT WI TO WINTHROP HARBOR IL-  
1110 AM CST FRI DEC 19 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM CST THIS AFTERNOON
 
 
...SMALL CRAFT ADVISORY IN EFFECT FROM 11 PM CST THIS EVENING  
THROUGH SUNDAY MORNING...  
   
REST OF TODAY
 
NORTHWEST WIND 15 TO 25 KNOTS BACKING WEST EARLY  
IN THE AFTERNOON, THEN EASING TO 10 TO 20 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES 3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET LATE  
IN THE AFTERNOON.    
TONIGHT
 
SOUTHWEST WIND 10 TO 15 KNOTS BACKING SOUTH 10 TO  
20 KNOTS LATE IN THE EVENING, THEN RISING TO 15 TO 25 KNOTS AFTER  
MIDNIGHT RISING TO UP TO 30 KNOTS EARLY IN THE MORNING. MOSTLY  
CLOUDY. WAVES 1 TO 2 FEET BUILDING TO 4 TO 6 FEET.    
SATURDAY
 
SOUTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
25 KNOTS LATE IN THE MORNING, THEN VEERING WEST 15 TO 20 KNOTS  
EARLY IN THE AFTERNOON BECOMING 15 TO 25 KNOTS LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING. SLIGHT CHANCE OF  
RAIN THROUGH THE DAY. CHANCE OF SNOW IN THE AFTERNOON. WAVES 4 TO  
6 FEET SUBSIDING TO 3 TO 5 FEET IN THE LATE MORNING AND  
AFTERNOON.    
SATURDAY NIGHT
 
WEST WIND 15 TO 25 KNOTS VEERING NORTHWEST  
EARLY IN THE MORNING. GUSTS UP TO 30 KNOTS. MOSTLY CLEAR. WAVES  
3 TO 4 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SUNDAY THROUGH TUESDAY.  
 
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