357  
FZUS63 KMKX 220820  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
220 AM CST FRI NOV 22 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
 
 
BREEZY NORTH TO NORTHWEST WINDS GUSTING TO 30 KNOTS WILL CONTINUE  
TODAY BETWEEN LOW PRESSURE 29.2 INCHES OVER THE NORTHEAST UNITED  
STATES AND HIGH PRESSURE OF 30.4 INCHES OVER THE NORTHERN PLAINS.  
WINDS WILL GRADUALLY EASE TONIGHT INTO THE WEEKEND AS THE HIGH  
MOVES INTO THE AREA FROM THE WEST. SOUTHEAST WINDS WILL  
EVENTUALLY PICK UP A BIT BY LATER SUNDAY AS THE HIGH HEADS  
EASTWARD IN ADVANCE OF AN APPROACHING LOW. THE LOW WILL MOVE  
THROUGH BY MONDAY NIGHT, BRINGING BREEZY WEST TO NORTHWEST WINDS  
BEHIND THE LOW MONDAY NIGHT INTO TUESDAY.  
 
LMZ261-362-364-366-563-565-567-868-221630-  
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-  
220 AM CST FRI NOV 22 2024  
 
SHEBOYGAN WI TO PENTWATER MI NORTH...  
   
TODAY
 
NORTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN SHOWERS.  
WAVES 6 TO 9 FT OCCASIONALLY TO 12 FT.    
TONIGHT
 
NORTH WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT.  
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN  
SHOWERS OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT  
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.    
SATURDAY
 
NORTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT  
SUBSIDING TO 2 TO 4 FT.    
SATURDAY NIGHT
 
NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO  
10 KT OVERNIGHT. WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.    
SUNDAY
 
SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING  
TO 3 TO 5 FT.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KT. CHANCE OF RAIN.  
WAVES 3 TO 5 FT.    
MONDAY
 
NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT. CHANCE  
OF RAIN. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO  
8 FT.    
TUESDAY
 
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.  
SNOW LIKELY WITH A CHANCE OF RAIN. WAVES 5 TO 8 FT OCCASIONALLY  
TO 10 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.  
 

 
 
LMZ080-669-671-673-675-777-779-870-872-874-876-878-221630-  
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-  
220 AM CST FRI NOV 22 2024  
 
SHEBOYGAN WI TO PENTWATER MI SOUTH...  
   
TODAY
 
NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN SHOWERS. WAVES  
7 TO 10 FT OCCASIONALLY TO 13 FT BUILDING TO 8 TO 12 FT  
OCCASIONALLY TO 16 FT.    
TONIGHT
 
NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.  
CHANCE OF RAIN SHOWERS IN THE EVENING, THEN SLIGHT CHANCE OF RAIN  
SHOWERS OVERNIGHT. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT  
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.    
SATURDAY
 
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO  
15 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO  
5 FT.    
SATURDAY NIGHT
 
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 5 TO  
10 KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.    
SUNDAY
 
SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT BUILDING TO  
4 TO 6 FT OCCASIONALLY TO 8 FT.    
SUNDAY NIGHT
 
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 10 TO  
15 KT. CHANCE OF RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT  
SUBSIDING TO 3 TO 5 FT.    
MONDAY
 
WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30 KT.  
CHANCE OF RAIN. WAVES 3 TO 5 FT BUILDING TO 5 TO 8 FT  
OCCASIONALLY TO 10 FT.    
TUESDAY
 
NORTHWEST WINDS 15 TO 25 KT. WAVES 7 TO 10 FT  
OCCASIONALLY TO 13 FT.  
 

 
 
LMZ761-221630-  
MAFOR 2211/  
MICHIGAN NORTH 14840 11840 13730. A CHANCE OF SHOWERS THIS  
EVENING. WAVES 3 TO 6 FEET BUILDING TO 5 TO 8 FEET TODAY. WAVES 5  
TO 8 FEET SUBSIDING TO 3 TO 6 FEET TONIGHT.  
 
MICHIGAN SOUTH 11740 11840 14740 11730 11720. A CHANCE OF SHOWERS  
TODAY AND THIS EVENING. WAVES 4 TO 7 FEET BUILDING TO 7 TO 11  
FEET TODAY. WAVES 7 TO 11 FEET SUBSIDING TO 5 TO 8 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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