Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 240129
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
828 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 EXTENDING FROM QUEBEC
INTO THE CENTRAL LAKES REGION WILL MOVE SLOWLY EAST THROUGH
FRIDAY. LOW PRESSURE OF 29.3 INCHES OVER SASKATCHEWAN WILL DEEPEN
TO 29.1 INCHES BY SATURDAY AS IT MOVES OVER JAMES BAY WITH A COLD
FRONT PUSHING ACROSS LAKE MICHIGAN EARLY SATURDAY. 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.

LMZ261-362-364-366-563-565-567-868-240915-
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-
828 PM CDT THU OCT 23 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10
TO 15 KT LATE. SCATTERED SHOWERS THROUGH MIDNIGHT...THEN SLIGHT
CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT BY
EARLY AFTERNOON. 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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240915-
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-
828 PM CDT THU OCT 23 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST
AFTER MIDNIGHT. SCATTERED SHOWERS THROUGH MIDNIGHT...THEN SLIGHT
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT BY
EARLY AFTERNOON. 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.

$$
LMZ761-240915-
MAFOR 2403/
MICHIGAN NORTH 11520 14510 13520. SCATTERED SHOWERS THROUGH
MIDNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT SUBSIDING
TO 2 TO 4 FT FRIDAY AND FRIDAY EVENING.

MICHIGAN SOUTH 11410 12510 12600 12510 11520. SCATTERED SHOWERS
THROUGH MIDNIGHT. WAVES 2 TO 4 FT TONIGHT SUBSIDING TO 1 TO 3 FT
FRIDAY. WAVES 2 TO 4 FT FRIDAY EVENING.

$$

MTF





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