Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 231944
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
244 PM CDT THU OCT 23 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 30.2 INCHES EXTENDS FROM QUEBEC INTO
THE CENTRAL LAKES REGION WHILE LOW PRESSURE OF 29.4 INCHES LIES
OVER ALBERTA. THE LOW WILL DEEPEN TO 29.1 INCHES BY SATURDAY AS
IT MOVES OVER JAMES BAY WITH A COLD FRONT PUSHING ACROSS LAKE
MICHIGAN. HIGH PRESSURE OF 30.1 INCHES WILL BUILD ACROSS THE
PLAINS SATURDAY THEN SHIFT EAST ACROSS LAKE MICHIGAN ON SUNDAY.
ANOTHER LOW OF 29.5 INCHES WILL FORM OVER THE CENTRAL PLAINS LATE
IN THE WEEKEND THEN LIFT ACROSS LAKE SUPERIOR ON TUESDAY.

LMZ261-362-364-366-563-565-567-868-240415-
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-
244 PM CDT THU OCT 23 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

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

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240415-
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-
244 PM CDT THU OCT 23 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

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

$$

LMZ761-240415-
MAFOR 2321/
MICHIGAN NORTH 12420 11520 14510 11520. SCATTERED SHOWERS
TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT. WAVES 2 TO
4 FT FRIDAY.

MICHIGAN SOUTH 12420 15510. SCATTERED SHOWERS THIS EVENING. WAVES
2 TO 4 FT TONIGHT. WAVES 1 TO 3 FT FRIDAY.

$$

BMD




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