Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 010127
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
827 PM CDT TUE SEP 30 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 30.2 INCHES OVER SOUTHERN QUEBEC
DRIFTS WILL MOVE EAST TO NOVA SCOTIA BY THURSDAY. LOW PRESSURE OF
29.4 INCHES OVER THE DAKOTAS WILL LIFT NORTH TO MANITOBA BY
WEDNESDAY AFTERNOON THEN TO HUDSON BAY BY EARLY THURSDAY WHILE
DEEPENING TO 29.2 INCHES. ANOTHER SURFACE LOW WILL DEVELOP OVER
THE TEXAS PANHANDLE WEDNESDAY NIGHT AND MOVE NORTHEAST TO THE
UPPER GREAT LAKES THURSDAY NIGHT WHILE DEEPENING TO AROUND 29.2
INCHES.

LMZ261-362-364-366-563-565-567-868-010915-
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-
827 PM CDT TUE SEP 30 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...EAST WINDS 10 TO 15 KT VEERING TO SOUTHEAST.
WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20
KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING...THEN CHANCE OF SHOWERS OVERNIGHT. WAVES
BUILDING TO 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. SHOWERS
WITH THUNDERSTORMS LIKELY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...WEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35 KT
POSSIBLE. CHANCE OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT.
.FRIDAY NIGHT...WEST WINDS TO 30 KT. SHOWERS LIKELY. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-010915-
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-
827 PM CDT TUE SEP 30 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 15 KT VEERING TO
SOUTHEAST 10 TO 15 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 1 TO 3 FT LATE.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. SHOWERS
AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...WEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35 KT IN
THE AFTERNOON. CHANCE OF SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT.
.FRIDAY NIGHT...WEST WINDS TO 30 KT. SHOWERS LIKELY. WAVES 7 TO 10
FT OCCASIONALLY TO 13 FT.
.SATURDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT.
.SUNDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.

$$
LMZ761-010915-
MAFOR 0103/
MICHIGAN NORTH 11210 14310 13420. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11110 11210 13310 12420 11430. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT LATE TONIGHT AND
CONTINUING WEDNESDAY.

$$

IZZI




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