898  
FZUS53 KMKX 171111  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
511 AM CST WED DEC 17 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-171700-  
SHEBOYGAN TO PORT WASHINGTON WI-  
511 AM CST WED DEC 17 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
THURSDAY AFTERNOON...  
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE  
THURSDAY NIGHT...  
   
TODAY  
NORTHWEST WIND 15 TO 25 KNOTS EASING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING WEST 5 TO 10 KNOTS EARLY IN  
THE AFTERNOON BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO AROUND 1 FOOT IN  
THE LATE MORNING AND AFTERNOON.    
TONIGHT  
SOUTH WIND 15 TO 25 KNOTS RISING TO UP TO 30 KNOTS  
WITH GUSTS TO AROUND 35 KNOTS LATE IN THE EVENING, THEN RISING TO  
GALES TO 35 KNOTS AFTER MIDNIGHT. SLIGHT CHANCE OF RAIN AFTER  
MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 7 TO 9 FEET.    
THURSDAY  
SOUTH WIND UP TO 30 KNOTS EASING TO 15 TO 25 KNOTS  
LATE IN THE MORNING, THEN VEERING SOUTHWEST EARLY IN THE  
AFTERNOON VEERING WEST LATE IN THE AFTERNOON. RAIN IN THE  
MORNING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 7 TO 9 FEET SUBSIDING TO 4 TO 6 FEET.    
THURSDAY NIGHT  
WEST WIND UP TO 30 KNOTS RISING TO GALES TO  
35 KNOTS LATE IN THE EVENING, THEN BECOMING WEST GALES TO  
35 KNOTS AFTER MIDNIGHT VEERING NORTHWEST EARLY IN THE MORNING.  
CHANCE OF SNOW THROUGH AROUND MIDNIGHT, THEN SLIGHT CHANCE OF  
SNOW AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. WAVES 4 TO  
6 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ644-171700-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
511 AM CST WED DEC 17 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
THURSDAY AFTERNOON...  
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE  
THURSDAY NIGHT...  
   
TODAY  
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING WEST 5 TO 10 KNOTS EARLY IN  
THE AFTERNOON BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS LATE  
IN THE EVENING, THEN RISING TO UP TO 30 KNOTS AFTER MIDNIGHT.  
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 6 TO  
8 FEET.    
THURSDAY  
SOUTH WIND UP TO 30 KNOTS EASING TO 15 TO 25 KNOTS  
LATE IN THE MORNING, THEN VEERING SOUTHWEST EARLY IN THE  
AFTERNOON BECOMING WEST UP TO 30 KNOTS LATE IN THE AFTERNOON.  
RAIN IN THE MORNING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF  
SNOW IN THE AFTERNOON. WAVES 6 TO 8 FEET SUBSIDING TO 4 TO 6 FEET  
IN THE LATE MORNING AND AFTERNOON.    
THURSDAY NIGHT  
WEST GALES TO 35 KNOTS VEERING NORTHWEST EARLY  
IN THE MORNING. CHANCE OF SNOW THROUGH AROUND MIDNIGHT, THEN  
SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES 3 TO 5 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ645-171700-  
NORTH POINT LIGHT TO WIND POINT WI-  
511 AM CST WED DEC 17 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
THURSDAY AFTERNOON...  
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE  
THURSDAY NIGHT...  
   
TODAY  
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING WEST 5 TO 10 KNOTS EARLY IN  
THE AFTERNOON BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. SUNNY. WAVES AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS LATE  
IN THE EVENING, THEN RISING TO UP TO 30 KNOTS AFTER MIDNIGHT.  
CHANCE OF RAIN AFTER MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 5 TO  
7 FEET AFTER MIDNIGHT.    
THURSDAY  
SOUTH WIND UP TO 30 KNOTS EASING TO 15 TO 25 KNOTS  
LATE IN THE MORNING, THEN VEERING SOUTHWEST EARLY IN THE  
AFTERNOON VEERING WEST LATE IN THE AFTERNOON. RAIN IN THE  
MORNING, THEN CHANCE OF RAIN AND SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 5 TO 7 FEET SUBSIDING TO 4 TO 6 FEET IN THE LATE  
MORNING AND AFTERNOON.    
THURSDAY NIGHT  
WEST WIND UP TO 30 KNOTS RISING TO GALES TO  
35 KNOTS LATE IN THE EVENING, THEN BECOMING WEST GALES TO  
35 KNOTS AFTER MIDNIGHT VEERING NORTHWEST EARLY IN THE MORNING.  
CHANCE OF SNOW AND RAIN THROUGH AROUND MIDNIGHT, THEN SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT.  
WAVES 4 TO 6 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ646-171700-  
WIND POINT WI TO WINTHROP HARBOR IL-  
511 AM CST WED DEC 17 2025  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS  
MORNING...  
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH  
THURSDAY AFTERNOON...  
...GALE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE  
THURSDAY NIGHT...  
   
TODAY  
NORTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO 15 KNOTS  
LATE IN THE MORNING, THEN BECOMING WEST 5 TO 10 KNOTS EARLY IN  
THE AFTERNOON BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. MOSTLY SUNNY. WAVES AROUND 1 FOOT.    
TONIGHT  
SOUTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS WITH  
GUSTS TO AROUND 30 KNOTS LATE IN THE EVENING, THEN RISING TO UP  
TO 30 KNOTS AFTER MIDNIGHT. CHANCE OF RAIN AFTER MIDNIGHT. WAVES  
4 TO 6 FEET BUILDING TO 5 TO 7 FEET AFTER MIDNIGHT.    
THURSDAY  
SOUTH WIND UP TO 30 KNOTS EASING TO 15 TO 25 KNOTS  
LATE IN THE MORNING, THEN VEERING SOUTHWEST 15 TO 20 KNOTS EARLY  
IN THE AFTERNOON VEERING WEST 15 TO 25 KNOTS LATE IN THE  
AFTERNOON. RAIN IN THE MORNING, THEN CHANCE OF RAIN IN THE  
AFTERNOON. WAVES 4 TO 6 FEET SUBSIDING TO 3 TO 4 FEET.    
THURSDAY NIGHT  
WEST WIND UP TO 30 KNOTS. GUSTS UP TO 35 KNOTS.  
CHANCE OF SNOW AND RAIN THROUGH AROUND MIDNIGHT, THEN SLIGHT  
CHANCE OF SNOW AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 3 TO  
5 FEET IN THE LATE EVENING AND OVERNIGHT.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR FRIDAY THROUGH SUNDAY.  
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