045  
FZUS63 KLOT 120800  
GLFLM  
 
OPEN LAKE FORECAST FOR LAKE MICHIGAN  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
300 AM CDT MON MAY 12 2008  
 
FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN  
   
SYNOPSIS
 
AN AREA OF LOW PRESSURE ACROSS OF 29.5 INCHES ACROSS  
NORTHEAST OHIO WILL CONTINUE TO TRACK EASTWARD TODAY AND MERGE WITH  
A LOW PRESSURE AREA ACROSS THE MID ATLANTIC STATES. A RIDGE OF  
HIGH PRESSURE OF 30.0 INCHES WILL BUILD BACK INTO THE WESTERN  
GREAT LAKES REGION TODAY. AN AREA OF LOW PRESSURE OF 29.6 INCHES  
WILL DEVELOP ACROSS EASTERN SOUTH DAKOTA MONDAY EVENING...AND THEN  
TRACK INTO SOUTHERN ONTARIO BY WEDNESDAY MORNING DEEPENING TO 29.4  
INCHES. THIS LOW WILL LIFT NORTHEAST TO JAMES BAY WEDNESDAY EVENING  
AS ANOTHER RIDGE OF HIGH PRESSURE SETTLES INTO THE WESTERN GREAT  
LAKES WEDNESDAY EVENING.  
 
LMZ080-669-671-673-675-777-779-870-872-874-876-878-121530-  
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-  
300 AM CDT MON MAY 12 2008  
   
TODAY
 
NORTH WINDS 10 TO 20 KNOTS DECREASING TO AROUND 10 KNOTS  
THIS AFTERNOON. WAVES 3 TO 6 FEET SUBSIDING TO 1 TO 3 FEET THIS  
AFTERNOON.    
TONIGHT
 
NORTHEAST WINDS AROUND 10 KNOTS VEERING TO SOUTHEAST.  
WAVES 1 TO 2 FEET.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH. WAVES  
2 TO 4 FEET BUILDING TO 3 TO 5 FEET IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS 15 TO 25 KNOTS. SHOWERS AND  
THUNDERSTORMS LIKELY. WAVES 3 TO 6 FEET.   
WEDNESDAY
 
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST.  
CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. WAVES 1 TO 3 FEET.   
THURSDAY
 
NORTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST AROUND  
10 KNOTS DURING THE NIGHT. WAVES 1 TO 2 FEET.   
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO 2 FEET.  
 

 
 
LMZ261-362-364-366-563-565-567-868-121530-  
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-  
300 AM CDT MON MAY 12 2008  
   
TODAY
 
NORTH WINDS 15 TO 25 KNOTS DECREASING TO 10 TO 15 KNOTS  
THIS AFTERNOON. WAVES 5 TO 8 FEET SUBSIDING TO 2 TO 4 FEET THIS  
AFTERNOON.   
TONIGHT
 
NORTH WINDS AROUND 10 KNOTS BECOMING SOUTHEAST  
OVERNIGHT. WAVES SUBSIDING TO 1 TO 2 FEET.   
TUESDAY
 
SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH. WAVES  
2 TO 4 FEET BUILDING TO 3 TO 5 FEET IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS 15 TO 25 KNOTS. SHOWERS LIKELY.  
WAVES 3 TO 6 FEET.    
WEDNESDAY
 
SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST.  
CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET IN  
THE AFTERNOON.    
WEDNESDAY NIGHT
 
NORTHWEST WINDS 10 TO 15 KNOTS. WAVES 1 TO  
3 FEET.    
THURSDAY
 
WEST WINDS 10 TO 15 KNOTS. WAVES AROUND 1 FOOT.    
FRIDAY
 
SOUTHWEST WINDS 10 TO 15 KNOTS. CHANCE OF SHOWERS.  
WAVES 1 TO 3 FEET.  
 

 
 
LMZ761-121530-  
MAFOR 1209/  
MICHIGAN NORTH 12820 12810 12100 11200 11310. WAVES 3 TO 6 FEET  
SUBSIDING TO 1 TO 3 FEET THIS AFTERNOON. WAVES 1 TO 2 FEET  
TONIGHT. 210306 210305.  
 
MICHIGAN SOUTH 12830 11820 12810 11100 11200 11300. WAVES 5 TO 8  
FEET SUBSIDING TO 2 TO 4 FEET THIS AFTERNOON...THEN TO 1 TO 2 FEET  
TONIGHT. 210508 210406.  
 

 
 
MARSILI  
 
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