113  
FZUS63 KMKX 230909  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
309 AM CST SAT NOV 23 2024  
 
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.  
 
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS, WHICH  
IS THE AVERAGE OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE  
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL  
OCCASIONALLY BE ENCOUNTERED.  
   
SYNOPSIS
 
 
HIGH PRESSURE OF 30.0 INCHES WILL MOVE THROUGH THE AREA TODAY INTO  
TONIGHT, BRINGING LIGHTER WINDS TO LAKE MICHIGAN. SOUTHEAST WINDS  
WILL THEN PICK UP ON SUNDAY AHEAD OF AN APPROACHING LOW, WITH  
BREEZY NORTHWEST WINDS THEN EXPECTED LATER MONDAY INTO TUESDAY  
BEHIND THE LOW AND AN ASSOCIATED COLD FRONT. LIGHTER WINDS ARE  
EXPECTED TO RETURN TO THE AREA WEDNESDAY UNDER WEAK HIGH PRESSURE.  
 
LMZ261-362-364-366-563-565-567-868-231715-  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE  
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH  
FOX ISLAND 5 NM OFFSHORE-  
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID  
LAKE-  
309 AM CST SAT NOV 23 2024  
 
SHEBOYGAN WI TO PENTWATER MI NORTH...  
   
TODAY
 
NORTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT SUBSIDING  
TO 2 TO 4 FT.    
TONIGHT
 
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO  
15 KT. WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.    
SUNDAY
 
NORTH WINDS 5 TO 10 KT BECOMING EAST LATE IN THE  
MORNING, THEN BECOMING SOUTHEAST EARLY IN THE AFTERNOON BECOMING  
EAST 10 TO 20 KT LATE. WAVES 2 TO 4 FT.    
SUNDAY NIGHT
 
EAST WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES  
2 TO 4 FT.    
MONDAY
 
EAST WINDS 10 TO 20 KT BECOMING NORTH. CHANCE OF RAIN  
IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON. WAVES 1 TO  
3 FT BUILDING TO 2 TO 4 FT.    
MONDAY NIGHT
 
NORTHWEST WINDS TO 30 KT. RAIN LIKELY WITH A  
CHANCE OF SNOW. WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.    
TUESDAY
 
NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN AND SNOW.  
WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.    
WEDNESDAY
 
NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW. WAVES  
1 TO 3 FT.  
 

 
 
LMZ080-669-671-673-675-777-779-870-872-874-876-878-231715-  
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE  
TO MID LAKE-  
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO  
MID LAKE-  
309 AM CST SAT NOV 23 2024  
 
SHEBOYGAN WI TO PENTWATER MI SOUTH...  
   
TODAY
 
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT.  
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.    
TONIGHT
 
WEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.  
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.    
SUNDAY
 
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO  
20 KT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES  
3 TO 5 FT.    
MONDAY
 
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO 25 KT.  
CHANCE OF RAIN IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO  
5 FT.    
MONDAY NIGHT
 
NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN. WAVES  
6 TO 9 FT OCCASIONALLY TO 12 FT BUILDING TO 8 TO 11 FT  
OCCASIONALLY TO 14 FT.    
TUESDAY
 
NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.  
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 6 TO 9 FT  
OCCASIONALLY TO 12 FT.    
WEDNESDAY
 
WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. WAVES  
2 TO 4 FT.  
 

 
 
LMZ761-231715-  
MAFOR 2311/  
MICHIGAN NORTH 14720 11720 13710. WAVES 3 TO 5 FEET SUBSIDING TO  
1 TO 3 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.  
 
MICHIGAN SOUTH 11720 11710 13610 13600. WAVES 3 TO 6 FEET  
SUBSIDING TO 1 TO 3 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.  
 

 
 
DDV  
 
EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT  
WEATHER.GOV/MKX/GLFTABLE  
 
GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:  
WEATHER.GOV/GREATLAKES  
 
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