Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 121943
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
243 PM CDT FRI SEP 12 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 30.6 INCHES IS CENTERED OVER THE
UPPER MISSOURI VALLEY WITH RIDGING EXTENDING INTO THE GREAT LAKES.
THE HIGH WILL SETTLE OVER THE MIDDLE MISSISSIPPI VALLEY WHILE LOW
PRESSURE OF 30.0 INCHES DEVELOPS OVER THE UPPER OHIO VALLEY AND
LIFTS ACROSS THE EASTERN GREAT LAKES SATURDAY AFTERNOON. AS THE
LOW CONTINUES TO LIFT NORTHEAST INTO QUEBEC...THE HIGH WILL BUILD
OVER THE EASTERN GREAT LAKES BY SUNDAY. MEANWHILE...ANOTHER LOW
OF 29.9 INCHES WILL MOVE EAST ACROSS THE CANADIAN PRAIRIES SUNDAY
MERGING WITH A DEEPER LOW OVER HUDSON BAY AND DRAGGING A COLD
FRONT ACROSS LAKE MICHIGAN ON MONDAY. HIGH PRESSURE OF 30.2 INCHES
WILL BUILD IN BEHIND THE FRONT AND REMAIN OVER THE GREAT LAKES
THROUGH MIDWEEK.

LMZ261-362-364-366-563-565-130330-
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-
243 PM CDT FRI SEP 12 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.TONIGHT...NORTHEAST WINDS 15 TO 25 KT. SHOWERS LIKELY CHANCE OF
THUNDERSTORMS. CHANCE OF WATERSPOUTS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. CHANCE OF SHOWERS IN THE MORNING. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT LATE.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 2 TO
4 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-130330-
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-
243 PM CDT FRI SEP 12 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.TONIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST AND
INCREASING TO 30 KT WITH A FEW GALES TO 35 POSSIBLE. SHOWERS WITH
A CHANCE OF THUNDERSTORMS. CHANCE OF WATERSPOUTS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KT SUBSIDING TO 10 TO 15 KT.
CHANCE OF SHOWERS IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS
EARLY IN THE AFTERNOON. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT FROM
LATE EVENING ON.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE
OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 2 TO
4 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.

$$

LMZ761-130330-
MAFOR 1221/
MICHIGAN NORTH 14136 12820 12710. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT TONIGHT. WAVES 4
TO 6 FT OCCASIONALLY TO 8 FT SATURDAY.

MICHIGAN SOUTH 11836 14746 19756 11730 11720 11710. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT
TONIGHT...THEN SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT
SATURDAY AFTERNOON.

$$

KREIN




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