378  
FZUS53 KMKX 312205  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
505 PM CDT MON MAR 31 2025  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-010400-  
SHEBOYGAN TO PORT WASHINGTON WI-  
505 PM CDT MON MAR 31 2025  
 
...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TONIGHT  
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST EARLY IN  
THE MORNING. PARTLY CLOUDY. WAVES 1 TO 3 FEET.    
TUESDAY  
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST IN THE  
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES  
1 TO 3 FEET.    
TUESDAY NIGHT  
EAST WIND 15 TO 20 KNOTS VEERING SOUTHEAST 15 TO  
25 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE IN THE EVENING, THEN  
BECOMING EAST UP TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS AFTER  
MIDNIGHT BECOMING SOUTHEAST GALES TO 35 KNOTS EARLY IN THE  
MORNING. RAIN THROUGH AROUND MIDNIGHT. SNOW THROUGH THE NIGHT.  
RAIN SHOWERS AFTER MIDNIGHT. WAVES 3 TO 5 FEET BUILDING TO 8 TO  
10 FEET AFTER MIDNIGHT.    
WEDNESDAY  
SOUTHEAST GALES TO 35 KNOTS WITH GUSTS TO AROUND  
40 KNOTS BECOMING SOUTHEAST GALES TO 35 KNOTS LATE IN THE  
MORNING, THEN EASING TO UP TO 30 KNOTS EARLY IN THE AFTERNOON  
BECOMING SOUTH 15 TO 25 KNOTS WITH GUSTS TO AROUND 30 KNOTS LATE  
IN THE AFTERNOON. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES 10 TO 13 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ644-010400-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
505 PM CDT MON MAR 31 2025  
 
...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TONIGHT  
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT, THEN EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
PARTLY CLOUDY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET IN THE  
LATE EVENING AND OVERNIGHT.    
TUESDAY  
EAST WIND 10 TO 15 KNOTS VEERING SOUTHEAST IN THE  
AFTERNOON. SUNNY IN THE MORNING THEN BECOMING PARTLY SUNNY. WAVES  
1 TO 3 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
TUESDAY NIGHT  
EAST 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 WITH GUSTS TO AROUND 35 KNOTS AFTER MIDNIGHT  
BECOMING SOUTHEAST GALES TO 35 KNOTS EARLY IN THE MORNING. RAIN  
LIKELY AND A CHANCE OF SNOW THROUGH AROUND MIDNIGHT, THEN SHOWERS  
AFTER MIDNIGHT. WAVES 4 TO 6 FEET BUILDING TO 8 TO 10 FEET AFTER  
MIDNIGHT.    
WEDNESDAY  
SOUTHEAST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS  
EARLY IN THE AFTERNOON, THEN BECOMING SOUTH 15 TO 25 KNOTS LATE  
IN THE AFTERNOON. RAIN SHOWERS AND SLIGHT CHANCE OF  
THUNDERSTORMS. WAVES 9 TO 11 FEET.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ645-010400-  
NORTH POINT LIGHT TO WIND POINT WI-  
505 PM CDT MON MAR 31 2025  
 
...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TONIGHT  
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST AFTER  
MIDNIGHT, THEN EASING TO 5 TO 10 KNOTS EARLY IN THE MORNING.  
PARTLY CLOUDY. WAVES 2 TO 4 FEET.    
TUESDAY  
EAST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE  
AFTERNOON.    
TUESDAY NIGHT  
EAST WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS  
WITH GUSTS TO AROUND 30 KNOTS LATE IN THE EVENING, THEN BECOMING  
SOUTHEAST UP TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS AFTER  
MIDNIGHT RISING TO GALES TO 35 KNOTS EARLY IN THE MORNING. RAIN  
AND SNOW LIKELY THROUGH AROUND MIDNIGHT, THEN SHOWERS AFTER  
MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 8 TO 10 FEET.    
WEDNESDAY  
SOUTHEAST GALES TO 35 KNOTS EASING TO UP TO 30 KNOTS  
LATE IN THE MORNING, THEN EASING TO 15 TO 25 KNOTS EARLY IN THE  
AFTERNOON VEERING SOUTH LATE IN THE AFTERNOON. RAIN SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 8 TO 10 FEET SUBSIDING TO  
6 TO 8 FEET LATE IN THE AFTERNOON.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
LMZ646-010400-  
WIND POINT WI TO WINTHROP HARBOR IL-  
505 PM CDT MON MAR 31 2025  
 
...GALE WATCH IN EFFECT FROM LATE TUESDAY NIGHT THROUGH WEDNESDAY  
AFTERNOON...  
   
TONIGHT  
NORTH WIND 10 TO 15 KNOTS VEERING NORTHEAST EARLY IN  
THE MORNING. PARTLY CLOUDY. WAVES 2 TO 4 FEET.    
TUESDAY  
EAST WIND 10 TO 15 KNOTS. SLIGHT CHANCE OF SNOW IN THE  
AFTERNOON. WAVES 1 TO 3 FEET BUILDING TO 2 TO 4 FEET IN THE  
AFTERNOON.    
TUESDAY NIGHT  
EAST WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS  
WITH GUSTS TO AROUND 30 KNOTS LATE IN THE EVENING, THEN BECOMING  
SOUTHEAST UP TO 30 KNOTS WITH GUSTS TO AROUND 35 KNOTS AFTER  
MIDNIGHT. RAIN LIKELY AND A CHANCE OF SNOW THROUGH AROUND  
MIDNIGHT, THEN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT. WAVES 2 TO 4 FEET BUILDING TO 7 TO 9 FEET.    
WEDNESDAY  
SOUTHEAST WIND UP TO 30 KNOTS WITH GUSTS TO AROUND  
35 KNOTS BECOMING SOUTHEAST UP TO 30 KNOTS LATE IN THE MORNING,  
THEN BECOMING SOUTH 15 TO 25 KNOTS IN THE AFTERNOON. SLIGHT  
CHANCE OF THUNDERSTORMS IN THE MORNING. RAIN SHOWERS THROUGH THE  
DAY. CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 8 TO 10 FEET  
SUBSIDING TO 5 TO 7 FEET LATE IN THE AFTERNOON.  
 
WAVE HEIGHTS ARE FOR ICE FREE AREAS.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR THURSDAY THROUGH SATURDAY.  
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