371  
FZUS53 KMKX 052010  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
310 PM CDT SUN APR 5 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-060900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
310 PM CDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
TUESDAY MORNING...  
   
THROUGH EARLY EVENING  
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES  
1 TO 2 FEET.    
TONIGHT  
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO  
15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING.  
SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF SHOWERS  
LATE IN THE EVENING. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT.  
WAVES AROUND 1 FOOT.    
MONDAY  
NORTHWEST WIND 15 TO 20 KNOTS BECOMING 10 TO 20 KNOTS  
LATE IN THE AFTERNOON. CHANCE OF SNOW SHOWERS IN THE AFTERNOON.  
WAVES 1 TO 2 FEET BUILDING TO 3 TO 4 FEET IN THE AFTERNOON.    
MONDAY NIGHT  
NORTH WIND 15 TO 25 KNOTS BECOMING 15 TO 20 KNOTS  
AFTER MIDNIGHT, THEN BECOMING 10 TO 20 KNOTS EARLY IN THE  
MORNING. SNOW SHOWERS LIKELY THROUGH AROUND MIDNIGHT, THEN SLIGHT  
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES 4 TO 6 FEET  
SUBSIDING TO 3 TO 4 FEET EARLY IN THE MORNING.    
TUESDAY  
NORTH WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS LATE  
IN THE MORNING, THEN VEERING EAST EARLY IN THE AFTERNOON BECOMING  
SOUTHEAST 10 TO 15 KNOTS LATE IN THE AFTERNOON. SUNNY. WAVES 2 TO  
4 FEET SUBSIDING TO 1 TO 2 FEET IN THE LATE MORNING AND  
AFTERNOON.  
 
 
LMZ644-060900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
310 PM CDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
TUESDAY MORNING...  
   
THROUGH EARLY EVENING  
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES  
1 TO 2 FEET.    
TONIGHT  
WEST WIND 10 TO 15 KNOTS EASING TO 5 TO 10 KNOTS LATE  
IN THE EVENING, THEN VEERING NORTHWEST AFTER MIDNIGHT RISING TO  
10 TO 15 KNOTS WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE  
MORNING. SLIGHT CHANCE OF SHOWERS IN THE LATE EVENING AND EARLY  
MORNING. WAVES AROUND 1 FOOT.    
MONDAY  
NORTHWEST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS  
LATE IN THE MORNING, THEN BECOMING NORTHWEST 15 TO 20 KNOTS EARLY  
IN THE AFTERNOON BECOMING 10 TO 20 KNOTS LATE IN THE AFTERNOON.  
PARTLY SUNNY. WAVES 1 TO 2 FEET BUILDING TO 2 TO 4 FEET LATE IN  
THE AFTERNOON.    
MONDAY NIGHT  
NORTH WIND 10 TO 20 KNOTS RISING 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. CHANCE OF  
SNOW SHOWERS THROUGH THE NIGHT. WAVES 4 TO 6 FEET SUBSIDING TO  
3 TO 5 FEET EARLY IN THE MORNING.    
TUESDAY  
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS LATE IN THE MORNING, THEN VEERING EAST EARLY IN THE  
AFTERNOON VEERING SOUTHEAST LATE IN THE AFTERNOON. SUNNY. WAVES  
3 TO 4 FEET SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.  
 
 
LMZ645-060900-  
NORTH POINT LIGHT TO WIND POINT WI-  
310 PM CDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
TUESDAY MORNING...  
   
THROUGH EARLY EVENING  
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES  
1 TO 2 FEET.    
TONIGHT  
WEST WIND 5 TO 10 KNOTS BECOMING NORTHWEST 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHWEST 10 TO 15 KNOTS  
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF  
SHOWERS LATE IN THE EVENING. SLIGHT CHANCE OF SHOWERS AFTER  
MIDNIGHT. WAVES AROUND 1 FOOT.    
MONDAY  
NORTHWEST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS  
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHWEST  
15 TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO  
2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
MONDAY NIGHT  
NORTH WIND 15 TO 20 KNOTS BECOMING 15 TO 25 KNOTS  
LATE IN THE EVENING, THEN BECOMING 15 TO 20 KNOTS AFTER MIDNIGHT  
BECOMING 10 TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW  
SHOWERS THROUGH THE NIGHT. WAVES 4 TO 6 FEET BUILDING TO 5 TO  
7 FEET AFTER MIDNIGHT, THEN SUBSIDING TO 4 TO 6 FEET EARLY IN THE  
MORNING.    
TUESDAY  
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS LATE IN THE MORNING, THEN VEERING EAST EARLY IN THE  
AFTERNOON VEERING SOUTHEAST LATE IN THE AFTERNOON. MOSTLY SUNNY.  
WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.  
 
 
LMZ646-060900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
310 PM CDT SUN APR 5 2026  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM CDT THIS AFTERNOON  
 
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH  
TUESDAY MORNING...  
   
THROUGH EARLY EVENING  
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES  
1 TO 2 FEET.    
TONIGHT  
WEST WIND 5 TO 10 KNOTS RISING TO 10 TO 15 KNOTS WITH  
GUSTS TO AROUND 20 KNOTS AFTER MIDNIGHT, THEN VEERING NORTHWEST  
WITH GUSTS TO AROUND 20 KNOTS EARLY IN THE MORNING. CHANCE OF  
SHOWERS IN THE LATE EVENING AND EARLY MORNING. WAVES AROUND  
1 FOOT.    
MONDAY  
NORTHWEST WIND 10 TO 20 KNOTS BECOMING 15 TO 20 KNOTS  
IN THE LATE MORNING AND EARLY AFTERNOON, THEN BECOMING NORTHWEST  
15 TO 20 KNOTS LATE IN THE AFTERNOON. PARTLY SUNNY. WAVES 1 TO  
2 FEET BUILDING TO 2 TO 4 FEET LATE IN THE AFTERNOON.    
MONDAY NIGHT  
NORTHWEST WIND 15 TO 20 KNOTS VEERING NORTH LATE  
IN THE EVENING, THEN BECOMING NORTH 15 TO 20 KNOTS AFTER MIDNIGHT  
BECOMING 10 TO 20 KNOTS EARLY IN THE MORNING. CHANCE OF SNOW  
SHOWERS. WAVES 3 TO 4 FEET BUILDING TO 4 TO 6 FEET.    
TUESDAY  
NORTH WIND 10 TO 15 KNOTS BECOMING NORTHEAST 5 TO  
10 KNOTS LATE IN THE MORNING, THEN VEERING EAST EARLY IN THE  
AFTERNOON BECOMING EAST 5 TO 10 KNOTS LATE IN THE AFTERNOON.  
PARTLY SUNNY. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 2 FEET.  
 
 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR WEDNESDAY THROUGH FRIDAY.  
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