Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 151949 CCA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
246 PM CDT MON SEP 15 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...WEAK LOW PRESSURE OF 30.0 INCHES WILL PUSH EAST
THROUGH THE OHIO VALLEY AND DISSIPATE THIS EVENING AS HIGH
PRESSURE OF 30.3 INCHES MOVES INTO THE MID MISSOURI VALLEY
TONIGHT. AHEAD OF THE HIGH A WEAK COLD FRONT WILL SPREAD DOWN THE
REMAINDER OF THE LAKE THIS EVENING. THE HIGH WILL WEAKEN AND MOVE
OVER LAKE MICHIGAN ON TUESDAY. LOW PRESSURE OF 29.8 INCHES OVER
HUDSON BAY WILL SPREAD INTO QUEBEC ON WEDNESDAY AS HIGH PRESSURE
OF 30.2 PUSHES SOUTH OUT OF NORTHERN MANITOBA. THE HIGH REACHES
LAKE SUPERIOR THURSDAY EVENING AND WILL PUSH A COLD FRONT DOWN THE
LAKE THURSDAY NIGHT. THIS HIGH WILL THEN MOVE TO THE EASTERN LAKES
BY LATE THURSDAY INTO FRIDAY AS SEVERAL LOWS ORGANIZE IN THE
CENTRAL PLAINS AND CANADIAN PRAIRIES.

LMZ261-362-364-366-563-565-567-868-160400-
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-
246 PM CDT MON SEP 15 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...WEST WINDS AROUND 10 KT BECOMING NORTHWEST 10 TO 15 KT.
WAVES 1 TO 3 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO 25 KT.
WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT
LATE.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH 10 TO
20 KT. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO
4 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY...EAST WINDS 10 TO 15 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH
15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KT. SHOWERS LIKELY WITH
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-160400-
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-
246 PM CDT MON SEP 15 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT
OVERNIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.THURSDAY...EAST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO
25 KT. WAVES 2 TO 4 FT.
.FRIDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...SOUTHWEST WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ761-160400-
MAFOR 1521/
MICHIGAN NORTH 12610 14710 12620 11530. WAVES 1 TO 3 FT TONIGHT.
WAVES 2 TO 4 FT TUESDAY.

MICHIGAN SOUTH 11810 12820 11810 11820 11720 11710 11610. WAVES
1 TO 3 FT...BUILDING TO 2 TO 4 FT THIS EVENING...THEN SUBSIDING TO
1 TO 3 FT TUESDAY LATE MORNING.

$$

KMD







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