952 FZUS63 KLOT 220800 GLFLM OPEN LAKE FORECAST FOR LAKE MICHIGAN NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 300 AM CDT WED MAY 22 2013 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN .SYNOPSIS...A BROAD WEAK AREA OF LOW PRESSURE OF 29.7 INCHES WAS CENTERED OVER IOWA EARLY THIS MORNING. A RIDGE OF HIGH PRESSURE WAS FROM NORTHERN MANITOBA TO THE NORTHERN GREAT PLAINS. THE LOW WILL MOVE SLOWLY EAST TO THE LOWER GREAT LAKES BY THURSDAY MORNING...WHILE THE RIDGE BUILDS INTO THE UPPER MISSISSIPPI VALLEY. THIS WILL CAUSE GALE FORCE NORTH WINDS TO DEVELOP OVER LAKE MICHIGAN LATE TONIGHT AND THURSDAY. BY FRIDAY THE LOW WILL MOVE TO THE EAST COAST WHILE HIGH PRESSURE OF 30.4 INCHES SETTLES OVER LAKE MICHIGAN. THE HIGH WILL THEN BE NEARLY STATIONARY OVER THE GREAT LAKES THROUGH THE WEEKEND. // 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. LMZ261-362-364-366-563-565-567-868-221500- 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 WED MAY 22 2013 SHEBOYGAN WI TO PENTWATER MI NORTH ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...NORTH WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT. SHOWERS LIKELY...MAINLY THIS AFTERNOON. WAVES 1 TO 3 FT. .TONIGHT...NORTH WINDS 15 TO 25 KT INCREASING TO GALES TO 35 KT LATE. SHOWERS LIKELY. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 12 FT LATE. .THURSDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT LATE. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 8 TO 11 FT OCCASIONALLY TO 15 FT. .THURSDAY NIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT. WAVES 5 TO 8 FT OCCASIONALLY TO 12 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 9 FT OVERNIGHT. .FRIDAY...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT LATE. .FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. .SATURDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. .SUNDAY...EAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-221500- 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 WED MAY 22 2013 SHEBOYGAN WI TO PENTWATER MI SOUTH ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH THURSDAY EVENING... .TODAY...SOUTH WINDS 5 TO 10 KT BECOMING WEST. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT. .TONIGHT...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT. SHOWERS LIKELY. WAVES 1 TO 3 FT BUILDING TO 3 TO 6 FT OCCASIONALLY TO 9 FT. .THURSDAY...NORTH GALES TO 40 KT. CHANCE OF SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 12 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT. .THURSDAY NIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 12 FT LATE. .FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 10 FT SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT IN THE AFTERNOON. .FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 TO 3 FT. .SATURDAY...EAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. .SUNDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FT. $$ LMZ761-221500- MAFOR 2209/ MICHIGAN NORTH 12800 11810 12826 12836 11846. WAVES 1 TO 3 FT TODAY. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 12 FT TONIGHT. MICHIGAN SOUTH 13406 11616 11726 12730 11746. WAVES 1 TO 3 FT TODAY. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY TO 9 FT TONIGHT. $$ ALLSOPP