279  
FZUS53 KMKX 121011  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
510 AM CDT THU MAR 12 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-121600-  
SHEBOYGAN TO PORT WASHINGTON WI-  
510 AM CDT THU MAR 12 2026  
 
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
EVENING...  
   
TODAY
 
NORTHWEST WIND 10 TO 15 KNOTS BECOMING WEST 5 TO  
10 KNOTS EARLY IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO  
20 KNOTS LATE IN THE AFTERNOON. SCATTERED SNOW SHOWERS IN THE  
MORNING. WAVES AROUND 1 FOOT.    
TONIGHT
 
SOUTH WIND 15 TO 25 KNOTS RISING TO GALES TO 35 KNOTS  
WITH GUSTS TO AROUND 40 KNOTS LATE IN THE EVENING, THEN BECOMING  
SOUTH GALES TO 35 KNOTS WITH GUSTS TO AROUND 40 KNOTS AFTER  
MIDNIGHT VEERING SOUTHWEST WITH GUSTS TO AROUND 40 KNOTS EARLY IN  
THE MORNING. CHANCE OF RAIN THROUGH AROUND MIDNIGHT. CHANCE OF  
SNOW THROUGH THE NIGHT. RAIN AFTER MIDNIGHT. WAVES 3 TO 5 FEET  
BUILDING TO 9 TO 11 FEET.    
FRIDAY
 
WEST WIND UP TO 30 KNOTS RISING TO GALES TO 35 KNOTS  
LATE IN THE MORNING, THEN BECOMING WEST GALES TO 35 KNOTS EARLY  
IN THE AFTERNOON VEERING NORTHWEST LATE IN THE AFTERNOON. GUSTS  
UP TO 45 KNOTS. SLIGHT CHANCE OF SNOW IN THE MORNING. WAVES 5 TO  
7 FEET SUBSIDING TO 4 TO 6 FEET IN THE LATE MORNING AND  
AFTERNOON.    
FRIDAY NIGHT
 
NORTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
25 KNOTS LATE IN THE EVENING, THEN BECOMING 15 TO 20 KNOTS AFTER  
MIDNIGHT EASING TO 10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.  
 

 
LMZ644-121600-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
510 AM CDT THU MAR 12 2026  
 
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
EVENING...  
   
TODAY
 
WEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS EARLY  
IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. NUMEROUS SNOW SHOWERS IN THE MORNING. WAVES AROUND  
1 FOOT.    
TONIGHT
 
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
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 WITH GUSTS  
TO AROUND 40 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST UP TO  
30 KNOTS WITH GUSTS TO AROUND 40 KNOTS EARLY IN THE MORNING.  
CHANCE OF RAIN THROUGH AROUND MIDNIGHT, THEN RAIN AND A CHANCE OF  
SNOW AFTER MIDNIGHT. WAVES 3 TO 4 FEET BUILDING TO 6 TO 8 FEET.    
FRIDAY
 
WEST GALES TO 35 KNOTS VEERING NORTHWEST LATE IN THE  
AFTERNOON. GUSTS UP TO 45 KNOTS. PARTLY SUNNY. WAVES 4 TO 6 FEET.   
FRIDAY NIGHT
 
NORTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
20 KNOTS LATE IN THE EVENING, THEN BECOMING 10 TO 20 KNOTS AFTER  
MIDNIGHT BECOMING 10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING MOSTLY CLOUDY. WAVES  
3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET AFTER MIDNIGHT.  
 

 
LMZ645-121600-  
NORTH POINT LIGHT TO WIND POINT WI-  
510 AM CDT THU MAR 12 2026  
 
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
EVENING...  
   
TODAY
 
WEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS EARLY  
IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. NUMEROUS SNOW SHOWERS IN THE MORNING. WAVES AROUND  
1 FOOT.    
TONIGHT
 
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS RISING TO UP TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS  
LATE IN THE EVENING, THEN BECOMING SOUTH UP TO 30 KNOTS WITH  
GUSTS TO AROUND 40 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST GALES  
TO 35 KNOTS WITH GUSTS TO AROUND 40 KNOTS EARLY IN THE MORNING.  
CHANCE OF RAIN THROUGH AROUND MIDNIGHT, THEN RAIN AFTER MIDNIGHT.  
WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET.    
FRIDAY
 
WEST GALES TO 35 KNOTS. GUSTS UP TO 45 KNOTS. PARTLY  
SUNNY. WAVES 4 TO 6 FEET.    
FRIDAY NIGHT
 
NORTHWEST WIND UP TO 30 KNOTS EASING TO 15 TO  
20 KNOTS LATE IN THE EVENING, THEN BECOMING 10 TO 20 KNOTS AFTER  
MIDNIGHT BECOMING 10 TO 15 KNOTS EARLY IN THE MORNING. PARTLY  
CLOUDY THROUGH AROUND MIDNIGHT THEN BECOMING MOSTLY CLOUDY. WAVES  
3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.  
 

 
LMZ646-121600-  
WIND POINT WI TO WINTHROP HARBOR IL-  
510 AM CDT THU MAR 12 2026  
 
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY  
EVENING...  
   
TODAY
 
WEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS EARLY  
IN THE AFTERNOON, THEN BECOMING SOUTH 10 TO 15 KNOTS LATE IN THE  
AFTERNOON. SCATTERED SNOW SHOWERS IN THE MORNING. WAVES 1 TO  
2 FEET.    
TONIGHT
 
SOUTH WIND 15 TO 20 KNOTS WITH GUSTS TO AROUND  
25 KNOTS RISING TO UP TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS  
LATE IN THE EVENING, THEN BECOMING SOUTH UP TO 30 KNOTS WITH  
GUSTS TO AROUND 40 KNOTS AFTER MIDNIGHT BECOMING SOUTHWEST GALES  
TO 35 KNOTS WITH GUSTS TO AROUND 40 KNOTS EARLY IN THE MORNING.  
CHANCE OF RAIN THROUGH AROUND MIDNIGHT, THEN RAIN LIKELY AFTER  
MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 5 TO 7 FEET.    
FRIDAY
 
WEST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS LATE IN  
THE AFTERNOON. GUSTS UP TO 45 KNOTS. PARTLY SUNNY. WAVES 4 TO  
6 FEET SUBSIDING TO 3 TO 5 FEET LATE IN THE AFTERNOON.    
FRIDAY NIGHT
 
NORTHWEST WIND 15 TO 25 KNOTS WITH GUSTS TO  
AROUND 30 KNOTS BECOMING 15 TO 20 KNOTS LATE IN THE EVENING, THEN  
EASING TO 10 TO 15 KNOTS AFTER MIDNIGHT BECOMING NORTHWEST 10 TO  
15 KNOTS EARLY IN THE MORNING. PARTLY CLOUDY THROUGH AROUND  
MIDNIGHT THEN BECOMING MOSTLY CLOUDY. WAVES 3 TO 4 FEET SUBSIDING  
TO 1 TO 2 FEET AFTER MIDNIGHT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.  
 
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