762  
FZUS63 KLOT 290753  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
253 AM CDT MON MAY 29 2017  
 
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
 
BROAD LOW PRESSURE OF 29.5 INCHES OVER WESTERN  
ONTARIO WILL REMAIN STATIONARY TODAY AND THEN SLOWLY DRIFT NORTH  
AND REACH JAMES BAY WEDNESDAY MORNING. HIGH PRESSURE OF 30.2  
INCHES WILL BUILD OVER THE PLAINS TUESDAY NIGHT...SLIDE SOUTH OF  
THE LAKE WEDNESDAY NIGHT...AND THEN REACH THE MID ATLANTIC COAST  
THURSDAY AFTERNOON. A COLD FRONT WILL SHIFT SOUTH ACROSS  
LAKE MICHIGAN LATE FRIDAY.  
 
LMZ261-362-364-366-563-565-567-868-291530-  
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-  
253 AM CDT MON MAY 29 2017  
 
SHEBOYGAN WI TO PENTWATER MI NORTH...  
   
TODAY
 
SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.  
SLIGHT CHANCE OF SHOWERS THIS MORNING...THEN CHANCE OF SHOWERS  
AND SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON. WAVES BUILDING  
TO 2 TO 4 FT.    
TONIGHT
 
SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF RAIN  
SHOWERS. WAVES 2 TO 4 FT.    
TUESDAY
 
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.    
TUESDAY NIGHT
 
WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.    
WEDNESDAY
 
WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.    
WEDNESDAY NIGHT
 
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.    
THURSDAY
 
SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.    
FRIDAY
 
WEST WINDS 10 TO 15 KT VEERING TO NORTH. WAVES 1 TO  
2 FT.  
 

 
 
LMZ080-669-671-673-675-777-779-870-872-874-876-878-291530-  
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-  
253 AM CDT MON MAY 29 2017  
 
SHEBOYGAN WI TO PENTWATER MI SOUTH...  
   
TODAY
 
SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS THIS AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2 TO  
4 FT LATE.   
TONIGHT
 
WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.    
TUESDAY
 
SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE  
AFTERNOON. WAVES 1 TO 3 FT.    
TUESDAY NIGHT
 
WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.    
WEDNESDAY
 
WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.    
WEDNESDAY NIGHT
 
SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.    
THURSDAY
 
SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.    
FRIDAY
 
WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES 1 TO  
2 FT.  
 

 
 
LMZ761-291530-  
MAFOR 2909/  
MICHIGAN NORTH 12510 11520 12530 13520. CHANCE OF SHOWERS. WAVES  
1 TO 3 FT BUILDING TO 2 TO 4 FT LATE THIS AFTERNOON AND TONIGHT.  
 
MICHIGAN SOUTH 13520 11530 11630 13620. CHANCE OF SHOWERS LATE  
TONIGHT. WAVES 2 TO 4 FT.  
 

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