469  
FZUS63 KMKX 222035  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE MILWAUKEE/SULLIVAN WI  
235 PM 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  
GRADUALLY DECREASE AS LOW PRESSURE OF 29.3 INCHES OVER THE  
NORTHEAST UNITED STATES PUSHES FURTHER EAST AND HIGH PRESSURE OF  
30.2 INCHES WEAKENS AND 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 PRESSURE  
OF 29.7 INCHES TO THE SOUTH. THE LOW WILL MOVE THROUGH BY MONDAY  
NIGHT, BRINGING BREEZY WEST TO NORTHWEST WINDS BEHIND THE LOW  
MONDAY NIGHT INTO TUESDAY AS THE LOW DEEPENS TO 29.4 INCHES OVER  
THE EASTERN GREAT LAKES REGION WITH HIGH PRESSURE OF 30.4 INCHES  
DEVELOPING TO THE WEST. WEAKER HIGH PRESSURE EXPECTED THROUGH THE  
MIDDLE PART OF THE WEEK WITH MUCH WEAKER WINDS OVERALL.  
 
LMZ261-362-364-366-563-565-567-868-230430-  
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-  
235 PM CST FRI NOV 22 2024  
 
SHEBOYGAN WI TO PENTWATER MI NORTH...  
   
TONIGHT
 
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.  
SLIGHT CHANCE OF RAIN THIS EVENING. WAVES 6 TO 9 FT OCCASIONALLY  
TO 12 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  
10 TO 15 KT. WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.    
SUNDAY
 
NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHEAST. WAVES  
1 TO 2 FT BUILDING TO 3 TO 5 FT.    
SUNDAY NIGHT
 
EAST WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES  
3 TO 5 FT.    
MONDAY
 
NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT.  
CHANCE OF RAIN IN THE MORNING, THEN RAIN IN THE AFTERNOON. WAVES  
2 TO 4 FT BUILDING TO 3 TO 5 FT.    
MONDAY NIGHT
 
NORTH WINDS TO 30 KT BECOMING NORTHWEST. RAIN  
LIKELY. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.    
TUESDAY
 
NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.  
CHANCE OF RAIN AND SNOW. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT  
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.    
WEDNESDAY
 
NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF  
SNOW. WAVES 1 TO 3 FT.  
 

 
 
LMZ080-669-671-673-675-777-779-870-872-874-876-878-230430-  
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-  
235 PM CST FRI NOV 22 2024  
 
SHEBOYGAN WI TO PENTWATER MI SOUTH...  
   
TONIGHT
 
NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.  
SLIGHT CHANCE OF RAIN THIS EVENING. WAVES 8 TO 12 FT OCCASIONALLY  
TO 16 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 12 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 2 TO  
4 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  
3 TO 5 FT.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 10 TO  
15 KT. CHANCE OF RAIN. WAVES 3 TO 5 FT.    
MONDAY
 
NORTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.  
RAIN LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO  
7 FT OCCASIONALLY TO 9 FT.    
MONDAY NIGHT
 
NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN. WAVES  
8 TO 11 FT OCCASIONALLY TO 14 FT.    
TUESDAY
 
NORTHWEST WINDS TO 30 KT BECOMING WEST. WAVES 7 TO  
10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY  
TO 12 FT.    
WEDNESDAY
 
WEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.  
CHANCE OF SNOW. WAVES 1 TO 3 FT.  
 

 
 
LMZ761-230430-  
MAFOR 2223/  
MICHIGAN NORTH 11840 13730 14720. WAVES 5 TO 8 FEET SUBSIDING TO  
3 TO 6 FEET TONIGHT. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET  
SATURDAY.  
 
MICHIGAN SOUTH 12740 11730 12720 11710 12610. WAVES 7 TO 11 FEET  
SUBSIDING TO 5 TO 8 FEET TONIGHT. WAVES 3 TO 6 FEET SUBSIDING TO  
2 TO 4 FEET SATURDAY.  
 

 
 
KUROSKI  
 
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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