Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 011940
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
240 PM CDT MON SEP 1 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...LOW PRESSURE OF 29.3 INCHES OVER NORTHERN ONTARIO
WILL MOVE NORTHEAST TO NORTHERN QUEBEC TUESDAY...AS IT DEEPENS
TO 29.0 INCHES. A TRAILING COLD FRONT WILL MOVE ACROSS THE LAKE
TONIGHT. A WEAK AREA OF HIGH PRESSURE OF 30.0 INCHES WILL MOVE
ACROSS ILLINOIS AND INDIANA ON TUESDAY...THEN CONTINUE EAST INTO
THE UPPER OHIO VALLEY AND EASTERN LAKES BY WEDNESDAY. ANOTHER
LOW AROUND 29.5 INCHES WILL DEVELOP OVER THE NORTHERN PLAINS ON
WEDNESDAY...THEN MOVE NORTHEAST INTO ONTARIO THURSDAY AND
THURSDAY NIGHT. THIS SYSTEM WILL DRIVE ANOTHER...STRONGER COLD
FRONT ACROSS LAKE MICHIGAN ON FRIDAY.

LMZ261-362-364-366-563-565-567-868-020200-
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-
240 PM CDT MON SEP 1 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST EARLY THIS
EVENING...THEN DIMINISHING TO 10 TO 15 KT OVERNIGHT. CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH MID EVENING. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT OVERNIGHT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS FROM LATE MORNING ON. WAVES
1 TO 3 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25
KT. WAVES 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8
FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 9 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10
TO 20 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4
TO 6 FT OCCASIONALLY TO 9 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020200-
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-
240 PM CDT MON SEP 1 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST EARLY THIS
EVENING...DIMINISHING TO 10 TO 15 KT BY MIDNIGHT...THEN BECOMING
NORTHWEST OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH
MID EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1
TO 3 FT LATE.
.TUESDAY...NORTHWEST WINDS AROUND 10 KT BECOMING SOUTH 5 TO 10 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN
THE AFTERNOON. WAVES 1 TO 2 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY...WEST WINDS 15 TO 25 KT BECOMING NORTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ761-020200-
MAFOR 0121/
MICHIGAN NORTH 11530 11630 12620 13610 11510. CHANCE OF SHOWERS
AND THUNDERSTORMS THIS EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES 1 TO 3 FT TUESDAY.

MICHIGAN SOUTH 11530 11630 11620 11610 11710 11610 11500 11400.
CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1
TO 2 FT TUESDAY.

$$





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