Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 201342
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
842 AM CDT WED AUG 20 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 29.8 INCHES OVER THE GREAT LAKES
REGION WILL WEAKEN AS IT MOVES SOUTHEAST INTO THE EASTERN LAKES
REGION TONIGHT. WEAK HIGH PRESSURE OF 30.1 INCHES WILL MOVE
ACROSS LAKE MICHIGAN THROUGH LATE THIS WEEK...WHILE A SERIES OF
LOW PRESSURE SYSTEMS MOVE FROM THE CENTRAL HIGH PLAINS
NORTHEASTWARD TO THE UPPER MISSISSIPPI RIVER VALLEY AND WESTERN
ONTARIO.

LMZ261-362-364-366-563-565-202130-
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-
842 AM CDT WED AUG 20 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.TODAY...NORTHWEST WINDS AROUND 10 KT BECOMING WEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TONIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING NORTHEAST LESS
THAN 10 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.
WAVES 1 FT OR LESS.
.THURSDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.
.THURSDAY NIGHT AND FRIDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.FRIDAY NIGHT AND SATURDAY...EAST WINDS 10 TO 15 KT. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FT OR LESS.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-202130-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
842 AM CDT WED AUG 20 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.TODAY...WEST WINDS 5 TO 10 KT BECOMING VARIABLE LESS THAN 10 KT.
WAVES 1 FT OR LESS.
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING SOUTHEAST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS...ESPECIALLY OVERNIGHT.
WAVES 1 TO 2 FT.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY THROUGH SATURDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING
SOUTH. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-202130-
MAFOR 2015/
MICHIGAN NORTH 11700 12600 12500 11900 11100 11200. WAVES 1 TO 2
FT TODAY AND 1 FT OR LESS TONIGHT.

MICHIGAN SOUTH 11600 13900 11300 13310. WAVES 1 FT OR LESS TODAY
AND 1 TO 2 FT TONIGHT.

$$

IZZI





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