Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 140157
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
857 PM CDT THU JUN 13 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.4 INCHES JUST OFF THE NEW JERSEY
SHORE WILL EASTWARD TONIGHT. THE 30.2 INCH CENTER OF A LARGE AREA
OF HIGH PRESSURE WILL BUILD SOUTH-SOUTHEAST FROM CENTRAL CANADA
AND TO THE GREAT LAKES BY FRIDAY AFTERNOON. THIS RIDGE OF HIGH
PRESSURE THEN MOVES SOUTHEAST ACROSS THE OHIO VALLEY FRIDAY NIGHT
AND THE SOUTHERN ATLANTIC COAST SATURDAY. LOW PRESSURE OF 29.6
INCHES WILL MOVE EASTWARD ACROSS THE SOUTHERN PRAIRIE PROVIDENCES
OF CANADA SATURDAY NIGHT...AND THEN WEAKEN TO 29.7 INCHES AS IT
MOVES ACROSS THE UPPER GREAT LAKES SUNDAY.

//

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.


LMZ261-362-364-366-563-565-567-868-140945-
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-
857 PM CDT THU JUN 13 2013

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTH WINDS 15 TO 20 KT DIMINISHING TO 10
TO 15 KT. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT SUBSIDING TO 1 TO
3 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST DURING THE
MORNING...THEN VARIABLE 5 TO 10 KT IN THE AFTERNOON. WAVES 1 TO
3 FT SUBSIDING TO 2 FT OR LESS.
.FRIDAY NIGHT...LIGHT VARIABLE WINDS. WAVES 1 FT OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.
.SATURDAY NIGHT...SOUTHWEST WINDS AROUND 10 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 2 FT OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...NORTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT SUBSIDING TO 2 FT OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-140945-
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-
857 PM CDT THU JUN 13 2013

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTH WINDS 15 TO 20 KT DIMINISHING TO 10 TO
15 KT OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 10 FT SUBSIDING
TO 3 TO 5 FT OCCASIONALLY TO 8 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING LIGHT AND
VARIABLE IN THE EVENING. WAVES 1 TO 3 FT SUBSIDING TO 1 FT OR
LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FT OR LESS.
.SATURDAY NIGHT...SOUTH WINDS AROUND 10 KT BECOMING SOUTHWEST 5
TO 10 KT. SHOWERS AND THUNDERSTORMS LIKELY...MAINLY DURING THE
EVENING. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 FT OR LESS.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.
.TUESDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$
LMZ761-140945-
MAFOR 1403/
MICHIGAN NORTH 12820 12810 12110 12900. WAVES 2 TO 4 FT
OCCASIONALLY TO 6 FT SUBSIDING TO 1 TO 3 FT TONIGHT AND
TO 2 FT OR LESS FRI.

MICHIGAN SOUTH 11820 15810 11100. WAVES 4 TO 7 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY
TO 8 FT TONIGHT AND TO 1 TO 3 FT FRI.

$$







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