Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 241952
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
252 PM CDT FRI OCT 24 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

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.

.SYNOPSIS...HIGH PRESSURE OF 30.1 INCHES STRETCHES FROM THE GULF
THROUGH ONTARIO AND IT WILL CONTINUE TO SHIFT EAST THROUGH
SATURDAY MORNING. MEANWHILE...A 29.4 INCH LOW IS OVER NORTHERN
SASKATCHEWAN. IT WILL DEEPEN TO 29.2 INCHES AS IT APPROACHES SAINT
JAMES BAY SATURDAY AFTERNOON AND THEN FILL TO 29.3 INCHES AS IT
MOVES OVER MAINE SUNDAY MORNING. THE LOW WILL DRAG A COLD FRONT
OVER THE LAKE EARLY SATURDAY MORNING. HIGH PRESSURE OF 30.0 INCHES
MOVES OVER THE LAKE SUNDAY BEFORE QUICKLY ADVANCING OVER THE
SOUTHEAST U.S. MONDAY. ANOTHER LOW OF 29.4 INCHES MOVES OVER
SOUTHWEST CANADA SATURDAY NIGHT AND ARRIVES OVER THE LAKE TUESDAY
AROUND 29.5 INCHES. THE LOW DEEPENS AS IT MOVES OVER WEST CENTRAL
ONTARIO WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-250400-
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-
252 PM CDT FRI OCT 24 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
OCCASIONAL GUSTS TO 30 KT ARE POSSIBLE OVERNIGHT. WAVES 2 TO 4
FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS 20 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING SOUTHWEST 10 TO 15
KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT LATE.
.MONDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST IN THE AFTERNOON.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5
FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.WEDNESDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 20 KT IN
THE AFTERNOON. CHANCE OF SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250400-
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-
252 PM CDT FRI OCT 24 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20
KT...THEN BECOMING WEST LATE. WAVES 1 TO 3 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT IN
THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT BACKING TO SOUTH 5 TO 10 KT
IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 1 TO 3 FT IN THE AFTERNOON.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT BUILDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT OVERNIGHT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS
AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TUESDAY...WEST WINDS 20 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...WEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ761-250400-
MAFOR 2421/
MICHIGAN NORTH 11520 11530 12530 19540 11530 13630. WAVES 2 TO 4 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT TONIGHT. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT SATURDAY.

MICHIGAN SOUTH 11510 13520 13620 11630. WAVES 1 TO 3 FT TONIGHT. WAVES
2 TO 4 FT SATURDAY.

$$

JEE







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