Great Lakes Forecast
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FZUS63 KLOT 121353
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 AM CDT SUN APR 12 2015

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 30.3 INCHES WAS OVER THE MID
ATLANTIC STATES WITH RIDGING EXTENDING WEST TO THE MISSISSIPPI
VALLEY. THIS HIGH WILL MOVE EAST INTO THE ATLANTIC TONIGHT AS A
COLD FRONT SWEEPS ACROSS THE LAKE MONDAY MORNING. A HIGH OF 30.2
INCHES OVER THE CENTRAL PLAINS MONDAY MORNING WILL MOVE EAST TO
THE MID MISSISSIPPI VALLEY AND ACROSS THE OHIO VALLEY THROUGH MID
WEEK IN THE WAKE OF THIS FRONT.

LMZ261-362-364-366-563-565-567-868-122130-
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-
853 AM CDT SUN APR 12 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.TONIGHT...SOUTH WINDS TO 30 KT. SHOWERS WITH ISOLATED
THUNDERSTORMS DEVELOPING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.MONDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES
2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT.
WAVES 1 TO 3 FT.
.TUESDAY NIGHT THROUGH THURSDAY...SOUTH WINDS 10 TO 15 KT. WAVES
1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-122130-
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-
853 AM CDT SUN APR 12 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS LATE THIS AFTERNOON. WAVES BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT. SHOWERS
AND ISOLATED THUNDERSTORMS DEVELOPING. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT.
.MONDAY...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.TUESDAY...WEST WINDS 5 TO 10 KT BACKING TO SOUTH. WAVES 1 TO
3 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST. WAVES
1 TO 3 FT.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 5 TO
10 KT. CHANCE OF SHOWERS. WAVES 1 TO 2 FT.

$$
LMZ761-122130-
MAFOR 1216/
MICHIGAN NORTH 11430 14440 12446 11540. CHANCE OF THUNDERSTORMS
LATE TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5
TO 8 FT OCCASIONALLY TO 10 FT THIS AFTERNOON...THEN SUBSIDING TO 4
TO 7 FT OCCASIONALLY TO 9 FT MONDAY MORNING.

MICHIGAN SOUTH 14430 11430 12446 11540. CHANCE OF SHOWERS
TONIGHT. CHANCE OF THUNDERSTORMS LATE TONIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.

$$

KMD


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