NWS Forecast

FZUS63 KLOT 071506
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 AM CST SAT NOV 7 2009

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

SYNOPSIS
A LOW PRESSURE OF 29.05 INCHES APPROACHING HUDSON BAY
WILL CONTINUE TO TRACK NORTHEAST TODAY AND TONIGHT. A TRAILING
TROUGH OF LOW PRESSURE AVERAGING 29.50 INCHES WILL DROP
SOUTHEASTWARD ACROSS LAKE MICHIGAN THIS AFTERNOON AS IT SLOWLY
WEAKENS. A WEAK RIDGE OF HIGH PRESSURE OF 30.10 INCHES WILL THEN
BUILD ACROSS THE NORTHERN PLAINS...REACHING THE GREAT LAKES REGION
TONIGHT AND SUNDAY. ANOTHER WEAK AREA OF LOW PRESSURE IS EXPECTED TO
MOVE THROUGH THE GREAT LAKES REGION SUNDAY NIGHT AND MONDAY.

LMZ261-362-364-366-563-565-072100-
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-
900 AM CST SAT NOV 7 2009

THIS AFTERNOON
SOUTHWEST WINDS TO 30 KNOTS BECOMING WEST AND
DECREASING TO 10 TO 20 KT BY EVENING. WAVES 7 TO 10 FT SUBSIDING TO
6 TO 8 FT.

TONIGHT
WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES
DECREASING TO 1 TO 3 FT OVERNIGHT.

SUNDAY
SOUTH WINDS 10 TO 15 KT BECOMING EAST. WAVES 1 TO 2 FT.

SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT
OVERNIGHT.

MONDAY
NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON.

MONDAY NIGHT
NORTH WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.

TUESDAY
NORTHWEST WINDS 10 TO 15 KT. WAVES 3 TO 5 FT.

WEDNESDAY
SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT. 

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-072100-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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 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-
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 SAT NOV 7 2009

THIS AFTERNOON
SOUTHWEST WINDS TO 30 KT BECOMING WEST AND
DECREASING TO 10 TO 20 KT BY EVENING. WAVES 7 TO 10 FT SUBSIDING TO 5
TO 7 FT BY EVENING.

TONIGHT
WEST WINDS DIMINISHING TO AROUND 10 KT AND BECOMING
VARIABLE THIS EVENING.  WINDS THEN BECOMING SOUTHEAST NEAR 10 KNOTS
OVERNIGHT. WAVES DECREASING TO 1 TO 3 FT OVERNIGHT.

SUNDAY
SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH AT 10 TO 20 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.

SUNDAY NIGHT
SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES
2 TO 4 FT.

MONDAY
SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT.

MONDAY NIGHT
NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT.

TUESDAY
NORTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT.

WEDNESDAY
SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. 

LMZ761-072100-
MAFOR 0710/
MICHIGAN NORTH 11540 19630 11630 11620 12610 12500 11410.  WAVES 7
TO 10 FT DECREASING TO 6 TO 8 FT BY THIS EVENING AND TO 1 TO 3 FEET
BY EARLY SUNDAY. 210710 210608.

MICHIGAN SOUTH 11540 11530 19630 11620 11610 12900 11300 11310. 
WAVES 7 TO 10 FT DECREASING TO 5 TO 7 FEET BY THIS EVENING AND TO 1
TO 3 FEET BY EARLY SUNDAY. 210710 210609.

MERZLOCK