311  
FZUS53 KMKX 090610  
NSHMKX  
 
NEARSHORE MARINE FORECAST  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
110 AM CDT THU APR 9 2026  
 
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
 
LMZ643-090900-  
SHEBOYGAN TO PORT WASHINGTON WI-  
110 AM CDT THU APR 9 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS  
MORNING...  
   
REST OF TONIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. RAIN SHOWERS AFTER MIDNIGHT, THEN  
SCATTERED SHOWERS EARLY IN THE MORNING. WAVES 5 TO 7 FEET  
SUBSIDING TO 3 TO 5 FEET EARLY IN THE MORNING.    
THURSDAY
 
WEST WIND 10 TO 15 KNOTS. SUNNY. WAVES 3 TO 4 FEET  
SUBSIDING TO 1 TO 2 FEET IN THE AFTERNOON.    
THURSDAY NIGHT
 
WEST WIND 5 TO 10 KNOTS VEERING EAST LATE IN  
THE EVENING, THEN BACKING NORTHEAST AFTER MIDNIGHT BACKING NORTH  
EARLY IN THE MORNING. CHANCE OF SHOWERS THROUGH AROUND MIDNIGHT,  
THEN SHOWERS AFTER MIDNIGHT. WAVES AROUND 1 FOOT.    
FRIDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN THE  
AFTERNOON. PARTLY SUNNY. WAVES AROUND 1 FOOT.  
 

 
LMZ644-090900-  
PORT WASHINGTON TO NORTH POINT LIGHT WI-  
110 AM CDT THU APR 9 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS  
MORNING...  
   
REST OF TONIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS EASING TO 10 TO  
15 KNOTS EARLY IN THE MORNING. RAIN SHOWERS AFTER MIDNIGHT, THEN  
NUMEROUS SHOWERS EARLY IN THE MORNING. WAVES 3 TO 5 FEET  
SUBSIDING TO 3 TO 4 FEET EARLY IN THE MORNING.    
THURSDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST IN THE  
LATE MORNING AND EARLY AFTERNOON, THEN EASING TO 5 TO 10 KNOTS  
LATE IN THE AFTERNOON. SUNNY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO  
2 FEET IN THE LATE MORNING AND AFTERNOON.    
THURSDAY NIGHT
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE  
IN THE EVENING, THEN BECOMING NORTHEAST 5 TO 10 KNOTS AFTER  
MIDNIGHT. RAIN SHOWERS THROUGH THE NIGHT. WAVES AROUND 1 FOOT.    
FRIDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST EARLY IN THE  
AFTERNOON, THEN BECOMING NORTHEAST 5 TO 10 KNOTS LATE IN THE  
AFTERNOON. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES AROUND  
1 FOOT.  
 

 
LMZ645-090900-  
NORTH POINT LIGHT TO WIND POINT WI-  
110 AM CDT THU APR 9 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS  
MORNING...  
   
REST OF TONIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING 10 TO  
20 KNOTS EARLY IN THE MORNING. NUMEROUS SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS AFTER MIDNIGHT, THEN SHOWERS EARLY IN THE  
MORNING. WAVES 3 TO 4 FEET.    
THURSDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST LATE IN  
THE MORNING, THEN BECOMING WEST 10 TO 15 KNOTS EARLY IN THE  
AFTERNOON BECOMING SOUTHWEST 5 TO 10 KNOTS LATE IN THE AFTERNOON.  
MOSTLY SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
EAST WIND 5 TO 10 KNOTS BACKING NORTHEAST EARLY  
IN THE MORNING. RAIN SHOWERS THROUGH THE NIGHT. WAVES AROUND  
1 FOOT.    
FRIDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN THE  
AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES AROUND 1 FOOT.  
 

 
LMZ646-090900-  
WIND POINT WI TO WINTHROP HARBOR IL-  
110 AM CDT THU APR 9 2026  
 
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS  
MORNING...  
   
REST OF TONIGHT
 
SOUTHWEST WIND 15 TO 20 KNOTS BECOMING 10 TO  
20 KNOTS EARLY IN THE MORNING. NUMEROUS SHOWERS AND SLIGHT CHANCE  
OF THUNDERSTORMS. WAVES 3 TO 4 FEET.    
THURSDAY
 
SOUTHWEST WIND 10 TO 15 KNOTS VEERING WEST LATE IN  
THE MORNING, THEN BECOMING WEST 10 TO 15 KNOTS EARLY IN THE  
AFTERNOON BECOMING SOUTHWEST 5 TO 10 KNOTS LATE IN THE AFTERNOON.  
MOSTLY SUNNY. WAVES AROUND 1 FOOT.    
THURSDAY NIGHT
 
NORTHEAST WIND 5 TO 10 KNOTS RISING TO 10 TO  
15 KNOTS AFTER MIDNIGHT, THEN BECOMING NORTHEAST 10 TO 15 KNOTS  
EARLY IN THE MORNING. RAIN SHOWERS THROUGH THE NIGHT. WAVES  
AROUND 1 FOOT.    
FRIDAY
 
NORTH WIND 5 TO 10 KNOTS VEERING NORTHEAST LATE IN THE  
AFTERNOON. CHANCE OF SHOWERS IN THE MORNING. WAVES AROUND 1 FOOT.  
 

 
SEE LAKE MICHIGAN OPEN WATERS FORECAST FOR SATURDAY THROUGH MONDAY.  
 
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