Expires:201305181545;;319626 FZUS63 KLOT 180753 GLFLM OPEN LAKE FORECAST FOR LAKE MICHIGAN NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 253 AM CDT SAT MAY 18 2013 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN .SYNOPSIS...AN AREA OF HIGH PRESSURE AVERAGING 30.2 INCHES CENTERED OVER QUEBEC WILL REMAIN NEARLY STATIONARY THROUGH TONIGHT...THEN DRIFT EAST TOWARDS THE CANADIAN MARITIME SUNDAY. MEANWHILE AN AREA OF LOW PRESSURE AVERAGING 29.7 INCHES WILL MOVE OUT OVER THE CENTRAL PLAINS TODAY. THIS LOW WILL SLOWLY MOVE NORTHEASTWARD TO EASTERN NEBRASKA BY SUNDAY EVENING. A WARM FRONT...EXTENDING EASTWARD FROM THIS LOW...WILL LIFT NORTHWARD UP THE LENGTH OF LAKE MICHIGAN ON MONDAY. THE LOW IS EXPECTED TO CONTINUE A SLOW EASTWARD PROGRESSION TOWARDS THE MID MISSISSIPPI VALLEY BY THE MIDDLE OF NEXT WEEK. // 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. LMZ261-362-364-366-563-565-567-868-181545- 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 SAT MAY 18 2013 SHEBOYGAN WI TO PENTWATER MI NORTH .TODAY...EAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH MID MORNING. WAVES 1 TO 3 FT. .TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. WAVES 1 TO 3 FT. .SUNDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT. .SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT. .MONDAY...SOUTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT. .MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. .TUESDAY...EAST WINDS 10 TO 20 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. .WEDNESDAY...EAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. $$