Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 240813
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
213 AM CST TUE NOV 24 2009

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.5 INCHES OVER NORTHEAST KANSAS WILL
BEGIN TO FILL SLIGHTLY TO 29.6 INCHES AS IT MOVES TO SOUTHEAST
IOWA BY THIS EVENING...AND TO 29.7 INCHES AS IT LIFTS ACROSS
SOUTHEASTERN WISCONSIN BY WEDNESDAY MORNING. THE LOW WILL THEN
DEEPEN SLIGHTLY TO 29.6 INCHES AGAIN AS IT CONTINUES NORTHEAST
ACROSS NORTHERN LAKE MICHIGAN WEDNESDAY NIGHT. THE LOW WILL TRAIL
A SECONDARY COLD FRONT ACROSS THE LAKE THURSDAY IN A TROUGH
AVERAGING 29.7 INCHES...BEFORE PULLING AWAY ACROSS SOUTHERN QUEBEC
THURSDAY NIGHT. THIS WILL RESULT IN A PERIOD OF GUSTY NORTHWEST
WINDS LATE THURSDAY INTO FRIDAY AS COLD AIR SURGES ACROSS THE
WESTERN LAKES. HIGH PRESSURE RIDGING OF 30.0 INCHES WILL THEN
BUILD ACROSS THE WESTERN LAKES FRIDAY NIGHT AND SATURDAY.

LMZ261-362-364-366-563-565-567-868-241715-
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-
213 AM CST TUE NOV 24 2009

.TODAY...SOUTHEAST WINDS AROUND 10 KT BECOMING EAST. SLIGHT
CHANCE OF SHOWERS LATE. WAVES 1 TO 3 FT.
.TONIGHT...EAST WINDS 10 TO 15 KT. SHOWERS LIKELY. WAVES 1 TO 3
FT.
.WEDNESDAY...EAST WINDS 10 TO 15 KT VEERING TO SOUTHWEST. SHOWERS
LIKELY. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING NORTHWEST
TOWARD MORNING. SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT IN THE
AFTERNOON. RAIN AND SNOW SHOWERS LIKELY. WAVES 2 TO 4 FT BUILDING
TO 4 TO 6 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF RAIN AND
SNOW SHOWERS. WAVES 5 TO 7 FT.
.FRIDAY...NORTHWEST WINDS 20 TO 25 KT BECOMING NORTH AND
DIMINISHING TO 15 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 7
FT SUBSIDING TO 3 TO 5 FT.
.SATURDAY...NORTHWEST WINDS AROUND 10 KT BACKING SOUTH. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-241715-
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-
213 AM CST TUE NOV 24 2009

.TODAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST AT 10 TO 15 KT
THIS AFTERNOON. CHANCE OF SHOWERS THIS AFTERNOON. WAVES 1 TO 3
FT.
.TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTH AND INCREASING
TO 10 TO 20 KT. SHOWERS LIKELY THROUGH EARLY EVENING...THEN
SHOWERS FROM LATE EVENING ON. WAVES 1 TO 3 FT BUILDING TO 2 TO 4
FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT BECOMING WEST TO 30 KT IN
THE AFTERNOON. SHOWERS LIKELY. WAVES 2 TO 4 FT BUILDING TO 3 TO 5
FT.
.WEDNESDAY NIGHT...WEST WINDS TO 30 KT BECOMING SOUTHWEST AND
DIMINISHING TO 15 TO 25 KT. CHANCE OF RAIN AND SNOW SHOWERS.
WAVES 4 TO 6 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST AND
INCREASING TO TO 30 KT. RAIN AND SNOW SHOWERS LIKELY. WAVES 3 TO 5
FT BUILDING TO 4 TO 6 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW AND
SHOWERS. WAVES 5 TO 7 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT
BY LATE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 5 TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. WAVES 2
TO 4 FT.

$$

LMZ761-241715-
MAFOR 2410/
MICHIGAN NORTH 14300 13200 11216. CHANCE OF SHOWERS THIS EVENING.
SHOWERS LIKELY AFTER MIDNIGHT TONIGHT. WAVES 1 TO 3 FEET. 220103.

MICHIGAN SOUTH 14300 11210 12316 11326. CHANCE OF SHOWERS THIS
AFTERNOON. SHOWERS TONIGHT. WAVES 1 TO 3 FEET TODAY BUILDING TO 2
TO 4 FEET TONIGHT. 220103.

$$

RATZER





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