FZUS63 KLOT 110750 GLFLM OPEN LAKE FORECAST FOR LAKE MICHIGAN NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 250 AM CDT SAT MAY 11 2013 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN .SYNOPSIS...LOW PRESSURE OF 29.6 INCHES OVER THE EASTERN GREAT LAKES WILL MOVE NORTH INTO QUEBEC TODAY. MEANWHILE...LOW PRESSURE OF 29.8 INCHES OVER WESTERN ONTARIO WILL MOVE SOUTHEAST TO LAKE HURON TODAY BEFORE TURNING NORTHEAST AND DEEPENING TO 29.4 INCHES TONIGHT AS IT MERGES WITH THE LOW OVER QUEBEC TONIGHT. A STRONG COLD FRONT TRAILING SOUTHWEST FROM THE ONTARIO LOW WILL SWEEP ACROSS THE LAKE TODAY. HIGH PRESSURE OF 30.5 INCHES OVER SASKATCHEWAN WILL MOVE SOUTHEAST INTO THE MISSISSIPPI VALLEY SUNDAY WEAKENING TO 30.1. THE NORTHERN EXTENT OF THIS RIDGE WILL MOVE EAST ACROSS THE WESTERN LAKES EARLY NEXT WEEK AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE NORTHERN PLAINS TUESDAY. // 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. LMZ261-362-364-563-111600- 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 ROCK ISLAND PASSAGE TO STURGEON BAY WI- 250 AM CDT SAT MAY 11 2013 STURGEON BAY WI TO POINT BETSIE MI NORTH ...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY AFTERNOON... .TODAY...VARIABLE WINDS 5 TO 10 KT EARLY THIS MORNING BECOMING SOUTH 10 TO 20 KT...THEN SHIFTING TO NORTHWEST 15 TO 25 KT MIDDAY. A PERIOD OF SHOWERS LATE THIS MORNING. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 10 FT BY EVENING. .TONIGHT...NORTHWEST WINDS TO 30 KT INCREASING TO GALES TO 45 KT OVERNIGHT. SCATTERED RAIN OR SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 13 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT LATE. .SUNDAY...NORTHWEST GALES TO 45 KT DIMINISHING TO 30 KT LATE. SCATTERED RAIN OR SNOW SHOWERS IN THE MORNING. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 6 TO 9 OCCASIONALLY TO 13 FT. .SUNDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 15 KT OVERNIGHT. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT OVERNIGHT. .MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. .MONDAY NIGHT AND TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND POSSIBLY A THUNDERSTORM. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT. .WEDNESDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 10 TO 20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. $$ LMZ366-565-567-669-671-673-868-870-872-874-111600- LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO MID LAKE- 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 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 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- 250 AM CDT SAT MAY 11 2013 STURGEON BAY WI TO POINT BETSIE MI SOUTH TO WIND POINT WI TO HOLLAND MI ...GALE WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY MORNING... .TODAY...WEST WINDS 5 TO 10 KT BACKING TO SOUTH 10 TO 20 KT EARLY THIS MORNING...THEN SHIFTING NORTHWEST AND BRIEFLY INCREASING TO 20 TO 25 KT EARLY THIS AFTERNOON BEFORE DIMINISHING TO 10 TO 20 KT. A PERIOD OF SHOWERS THIS MORNING. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. .TONIGHT...NORTHWEST WINDS 15 TO 25 KT INCREASING TO GALES TO 35 KT OVERNIGHT. WAVES BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT BY MORNING. .SUNDAY...NORTHWEST GALES TO 35 KT DIMINISHING TO 30 KT IN THE MORNING...THEN BECOMING NORTH 10 TO 15 KT IN THE AFTERNOON. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 10 FT LATE. .SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT BACKING TO WEST 5 TO 10 KT. WAVES SUBSIDING TO 1 TO 3 FT LATE. .MONDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 20 KT. WAVES 1 TO 3 FT. .MONDAY NIGHT AND TUESDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT. .WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. $$ LMZ080-675-777-779-876-878-111600- LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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- 250 AM CDT SAT MAY 11 2013 WIND POINT WI TO HOLLAND MI SOUTH .TODAY...WEST WINDS AROUND 10 KT BACKING TO SOUTH AND INCREASING TO 10 TO 20 KT THIS MORNING...THEN SHIFTING TO NORTHWEST AND BRIEFLY INCREASING TO 15 TO 25 KT BEFORE QUICKLY SUBSIDING TO 10 TO 15 KT AND BECOMING NORTH DURING THE AFTERNOON. A PERIOD OF SHOWERS LATE THIS MORNING INTO THE EARLY AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT EARLY THIS MORNING SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT. .TONIGHT...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT OVERNIGHT. A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FT OCCASIONALLY TO 14 FT OVERNIGHT. .SUNDAY...NORTHWEST WINDS TO 30 KT WITH A FEW GUSTS TO 35 KT GALES EARLY IN THE MORNING. WINDS BECOMING NORTH AND QUICKLY DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT BY EVENING. .SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST 5 TO 10 KT. WAVES SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT FROM LATE EVENING ON. .MONDAY...WEST WINDS 5 TO 10 KT BACKING TO SOUTHEAST 10 TO 15 KT. WAVES 1 TO 2 FT. .MONDAY NIGHT AND TUESDAY...SOUTH WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT. .WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT. $$ LMZ761-111600- MAFOR 1109/ MICHIGAN NORTH...GALE WARNING IN EFFECT... 10900 11410 11420 11527 12730 11740 11740 19757 11767. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 10 FT BY THIS EVENING...THEN BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT TONIGHT. MICHIGAN CENTRAL 10600 11410 12427 11720 19737 11720 19810 11730 11740 11750. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT TODAY BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT TONIGHT. MICHIGAN SOUTH 10600 11500 11410 11427 11720 19737 11810 11720 11730 11740 19750. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT EARLY THIS MORNING SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT TODAY...THEN BUILDING TO 7 TO 10 FT OCCASIONALLY TO 14 FT TONIGHT. $$ IZZI