Issued by NWS
000 FZUS63 KLOT 251443 GLFLM OPEN LAKE FORECAST FOR LAKE MICHIGAN NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 900 AM CST WED NOV 25 2009 FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN .SYNOPSIS...LOW PRESSURE OF 29.65 INCHES OVER CENTRAL LAKE MICHIGAN WILL LIFT NORTHEAST ACROSS THE SOO BY THIS EVENING...WHILE TRAILING A TROUGH AVERAGING 29.8 INCHES ACROSS SOUTHERN LAKE MICHIGAN. A NEW AREA OF LOW PRESSURE OF 29.60 INCHES WILL DEVELOP OVER NORTHERN LOWER MICHIGAN TONIGHT...AS A COLD FRONT IS DRAWN EASTWARD ACROSS THE GREAT LAKES BY THURSDAY MORNING AS THE LOW SLOWLY LIFTS NORTHEAST ACROSS ONTARIO. A PERIOD OF GUSTY NORTHWEST WINDS WILL DEVELOP BEHIND THIS FRONT THURSDAY AND THURSDAY NIGHT...BEFORE HIGH PRESSURE RIDGING OF 30.15 INCHES SPREADS ACROSS THE WESTERN GREAT LAKES BY LATE FRIDAY. LMZ261-362-364-366-563-565-567-868-252100- 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- 900 AM CST WED NOV 25 2009 .THIS AFTERNOON...EAST WINDS 10 TO 15 KT GRADUALLY BACKING TO NORTHWEST BY EARLY AFTERNOON...AND INCREASING TO 10 TO 20 KT LATE. PERIODS OF RAIN. WAVES 1 TO 3 FT. .TONIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH AT 15 TO 25 KT. SHOWERS LIKELY. WAVES BUILDING TO 3 TO 5 FT. .THURSDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST AND INCREASING TO 30 KT. RAIN AND SNOW SHOWERS LIKELY. WAVES BUILDING TO 6 TO 9 FT. .THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT. A CHANCE OF SNOW SHOWERS. WAVES DECREASING TO 5 TO 7 FT. .FRIDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT AND BECOMING WEST. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FT. .FRIDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES SUBSIDING TO 1 TO 3 FT. .SATURDAY...SOUTHWEST WINDS AROUND 10 KT BACKING TO SOUTHEAST. WAVES 1 TO 2 FT. .SUNDAY...EAST WINDS 10 TO 15 KT. A CHANCE OF RAIN OR SNOW. WAVES 2 TO 4 FT. $$ LMZ080-669-671-673-675-777-779-870-872-874-876-878-252100- LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID LAKE- LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO MID LAKE- 900 AM CST WED NOV 25 2009 .THIS AFTERNOON...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST AND DIMINISHING TO 10 TO 20 KT. SHOWERS LIKELY. WAVES 4 TO 6 FT DECREASING TO 3 TO 5 FT. .TONIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TOWARD MORNING. SHOWERS. WAVES 3 TO 5 FT. .THURSDAY...NORTHWEST WINDS INCREASING TO 30 KT. RAIN AND SNOW SHOWERS LIKELY. WAVES BUILDING TO 7 TO 10 FT. .THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT AFTER MIDNIGHT. RAIN AND SNOW SHOWERS. WAVES 7 TO 10 FT DECREASING TO 6 TO 8 FT. .FRIDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT AND BECOMING WEST. WAVES DECREASING TO 3 TO 5 FT. .FRIDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES SUBSIDING TO 2 TO 4 FT. .SATURDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES 2 TO 4 FT. .SUNDAY...EAST WINDS 10 TO 15 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT. $$ LMZ761-252100- MAFOR 2516/ MICHIGAN NORTH 11216 11116 11716 12720 13830. WAVES 1 TO 3 FEET BUILDING TO 3 TO 5 FEET TONIGHT. 220103. MICHIGAN SOUTH 11536 11636 14620 11720 11737. WAVES 4 TO 6 FEET DECREASING TO 3 TO 5 FEET LATE THIS AFTERNOON AND CONTINUING TONIGHT. 220406. $$ MERZLOCK