Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 180744
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
244 AM CDT MON JUL 18 2016

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 29.5 INCHES IS NEAR HUDSON BAY WITH A
COLD FRONT EXTENDING ACROSS LAKE MICHIGAN EARLY THIS MORNING.
THE FRONT WILL MOVE TO THE EASTERN LAKES BY THIS EVENING. A RIDGE
OF 30.1 INCHES EXTENDS FROM ALBERTA INTO THE CENTRAL PLAINS AND
WILL BUILD EAST TO THE WESTERN GREAT LAKES THIS EVENING...THEN TO
THE EASTERN LAKES BY TUESDAY EVENING. A 29.6 INCH LOW WILL DEVELOP
OVER THE CANADIAN PRAIRIES WEDNESDAY AND TRACK TO NORTHERN QUEBEC
THURSDAY. ANOTHER LOW OF 29.8 INCHES WILL DEVELOP OVER THE DAKOTAS
THURSDAY INTO FRIDAY...THEN LIFT INTO ONTARIO SATURDAY.


LMZ261-362-364-366-563-565-567-868-181515-
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-
244 AM CDT MON JUL 18 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST AND DIMINISHING
TO 10 TO 15 KT LATE THIS MORNING...THEN BECOMING VARIABLE 5 TO 10
KT THIS AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING NORTHEAST LATE IN
THE EVENING...THEN SOUTHEAST LATE OVERNIGHT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES
1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-181515-
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-
244 AM CDT MON JUL 18 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST AND
DIMINISHING TO AROUND 10 KT BY LATE THIS MORNING...THEN BECOMING
VARIABLE THIS AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 1 TO 3 FT.
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT. WAVES 1 TO 2 FT.
.TUESDAY...EAST WINDS LESS THAN 10 KT BECOMING SOUTHEAST. WAVES
1 FT OR LESS.
.TUESDAY NIGHT...SOUTHEAST WINDS LESS THAN 10 KT BECOMING SOUTH.
WAVES 1 FT OR LESS.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.

$$

LMZ761-181515-
MAFOR 1809/
MICHIGAN NORTH 11620 11720 11710 13900 11100 11200. WAVES 1 TO 3
FT.

MICHIGAN SOUTH 11520 11710 11700 14900 11900. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT TODAY. WAVES 1 TO 2 FT
TONIGHT.

$$

BMD



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