090  
FZUS63 KLOT 241927  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
227 PM CDT FRI MAY 24 2013  
 
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
   
SYNOPSIS
 
A BROAD AREA OF HIGH PRESSURE AVERAGING 30.4 INCHES  
SPANS FROM CENTRAL ONTARIO SOUTH INTO THE LOWER OHIO RIVER VALLEY.  
LOW PRESSURE OF 29.9 INCHES SPANS FROM MONTANA SOUTH INTO COLORADO.  
THE HIGH WILL STEADILY SHIFT EAST TOWARDS THE EAST COAST BY  
MONDAY...WHILE THE LOW CONSOLIDATES OVER THE CENTRAL PLAINS AND  
DEEPENS TO 29.4 INCHES. THE LOW LIFTS NORTH INTO THE DAKOTAS MONDAY  
NIGHT INTO TUESDAY WITH A WARM FRONT LIFTING NORTH ACROSS LAKE  
MICHIGAN. BY FRIDAY...THE LOW WILL SLOWLY MOVE NORTHEAST INTO  
NORTHERN MINNESOTA.  
 
//  
 
WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH  
IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG  
WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES  
WHICH WILL OCCASIONALLY BE ENCOUNTERED.  
 
LMZ261-362-364-366-563-565-250415-  
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-  
227 PM CDT FRI MAY 24 2013  
 
TWO RIVERS WI TO MANISTEE MI NORTH  
   
TONIGHT
 
VARIABLE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.   
SATURDAY
 
VARIABLE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.   
SATURDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KT. WAVES AROUND 1 FT.   
SUNDAY
 
EAST WINDS 5 TO 10 KT. WAVES AROUND 1 FT.   
SUNDAY NIGHT
 
NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES  
1 FT OR LESS.    
MONDAY
 
SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF  
SHOWERS. WAVES 1 TO 2 FT.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF  
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.   
WEDNESDAY
 
SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6  
FT.  
 

 
 
LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-250415-  
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-  
227 PM CDT FRI MAY 24 2013  
 
TWO RIVERS WI TO MANISTEE MI SOUTH  
   
TONIGHT
 
NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST AROUND 10  
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT  
LATE.   
SATURDAY
 
EAST WINDS 5 TO 10 KT BECOMING VARIABLE. WAVES 1 TO 2  
FT.   
SATURDAY NIGHT
 
EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.    
SUNDAY
 
EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.   
SUNDAY NIGHT
 
EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO 20  
KT. WAVES 1 TO 3 FT.   
MONDAY
 
SOUTHEAST WINDS 15 TO 20 KT. SLIGHT CHANCE OF SHOWERS.  
WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT.   
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO  
15 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.  
WAVES SUBSIDING TO 1 TO 3 FT.   
TUESDAY
 
SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND SLIGHT  
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.    
WEDNESDAY
 
SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND  
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6  
FT.  
 

 
 
LMZ761-250415-  
MAFOR 2421/  
MICHIGAN NORTH 16900. WAVES 1 TO 2 FT.  
 
MICHIGAN SOUTH 11820 11810 13100 11200 12900. WAVES 3 TO 5 FT  
OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 2  
FT SATURDAY.  
 

 
 
BMD  
 
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