Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 140150
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
850 PM CDT SAT SEP 13 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 30.4 INCHES CENTERED OVER INDIANA
WILL MOVE EAST ACROSS THE SOUTHERN LAKES AND OHIO VALLEY TONIGHT.
LOW PRESSURE OF 29.9 INCHES OVER SOUTHERN MANITOBA WILL MOVE TO
JAMES BAY SUNDAY NIGHT...DRAGGING A COLD FRONT ACROSS LAKE
MICHIGAN MONDAY. HIGH PRESSURE OF 30.3 INCHES WILL BUILD FROM THE
CANADIAN PRAIRIES INTO THE CENTRAL PLAINS MIDWEEK SHIFTING EAST TO
THE GREAT LAKES BY THURSDAY.

LMZ261-362-364-366-563-565-567-868-140930-
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-
850 PM CDT SAT SEP 13 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 20 TO 25 KT
IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES BUILDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 10 TO
20 KT. CHANCE OF SHOWERS. WAVES 5 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT LATE.
.MONDAY...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES 2 TO 4 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-140930-
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-
850 PM CDT SAT SEP 13 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING
SOUTHWEST AROUND 10 KT OVERNIGHT. WAVES 2 TO 4 FT OCCASIONALLY TO
7 FT SUBSIDING TO 1 TO 3 FT OVERNIGHT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 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 IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 2 TO 4
FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING. WAVES 2 TO 4 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 2
TO 4 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 10 TO
15 KT. WAVES 2 TO 4 FT.
.THURSDAY...EAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$
LMZ761-140930-
MAFOR 1403/
MICHIGAN NORTH 13510 11520 14530. CHANCE OF SHOWERS SUNDAY EVENING.
WAVES 1 TO 3 FT TONIGHT BUILDING TO 5 TO 7 FT OCCASIONALLY TO 9
FT SUNDAY. WAVES 5 TO 7 FT OCCASIONALLY TO 9 FT SUNDAY EVENING.

MICHIGAN SOUTH 11900 11500 12510 14520. WAVES 2 TO 4 FT SUBSIDING TO 1
TO 3 FT TONIGHT AND THEN BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT SUNDAY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUNDAY EVENING.

$$

RC





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