Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 120249
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CST THU DEC 11 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 30.3 INCHES OVER THE LOWER OHIO
VALLEY WILL STRENGTHEN SLIGHTLY TO 30.4 INCHES AS IT DRIFTS SLOWLY
SOUTH ACROSS THE TENNESSEE VALLEY THROUGH FRIDAY. THE HIGH WILL
REMAIN NEARLY STATIONARY TO THE SOUTH OF THE LAKES THROUGH THE
WEEKEND...WHILE WEAKENING TO 30.2 INCHES. LOW PRESSURE OF 29.8
INCHES WILL MOVE EAST ACROSS ONTARIO AND THE FAR NORTHERN GREAT
LAKES REGION LATE SUNDAY AND SUNDAY NIGHT...TRAILING A COLD FRONT
ACROSS THE LAKE MONDAY. ANOTHER LOW OF 30.0 INCHES WILL DEVELOP
ALONG THE SOUTHERN PORTION OF THE COLD FRONT...AND WILL MOVE INTO
THE OHIO VALLEY MONDAY NIGHT. CANADIAN HIGH PRESSURE OF 30.6
INCHES WILL SPREAD SOUTHEAST ACROSS THE UPPER MIDWEST AND WESTERN
GREAT LAKES REGION MID WEEK...WHILE WEAKENING TO 30.4 INCHES.

LMZ261-362-364-366-563-565-567-868-120415-
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-
849 PM CST THU DEC 11 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST.
WAVES 1 TO 3 FT.
.FRIDAY AND FRIDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3
FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE
OF RAIN WITH PATCHY DRIZZLE. WAVES 2 TO 4 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF RAIN.
WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 20 KT. CHANCE OF RAIN.
WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
CHANCE OF RAIN. WAVES 2 TO 4 FT.
.TUESDAY...NORTH WINDS TO 30 KT. SLIGHT CHANCE OF SNOW.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-120415-
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-
849 PM CST THU DEC 11 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHWEST WINDS AROUND 15 KT BECOMING WEST 10 TO 15
KT. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE
OF RAIN WITH PATCHY DRIZZLE. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF RAIN.
WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF RAIN.
WAVES BUILDING TO 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF RAIN. WAVES
2 TO 4 FT.
.TUESDAY...NORTH WINDS TO 30 KT. CHANCE OF RAIN OR SNOW. WAVES
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT IN THE AFTERNOON.

$$
LMZ761-120415-
MAFOR 1110/
MICHIGAN NORTH 11610 12710 14610 11520. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11620 14720 13610. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT TONIGHT SUBSIDING TO 2 TO 4 FT FRIDAY.

$$

IZZI





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