Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 180121
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
821 PM CDT WED AUG 17 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...A RIDGE OF HIGH PRESSURE AVERAGING 30.2 INCHES WILL
REMAIN NEARLY STATIONARY ACROSS THE SOUTHEASTERN STATES AND
NORTHERN GULF OF MEXICO FOR THE NEXT SEVERAL DAYS. LOW PRESSURE
OF 29.6 INCHES IS EXPECTED TO DEVELOP OVER THE UPPER MISSOURI
VALLEY ON THURSDAY. YET ANOTHER LOW OF 29.2 INCHES IS EXPECTED TO
DEVELOP ALONG THE FRONT OVER THE MIDDLE MISSISSIPPI VALLEY ON
SATURDAY. THIS LOW IS EXPECTED TO LIFT NORTHEAST ACROSS THE UPPER
GREAT LAKES REGION SATURDAY WITH THE COLD FRONT FINALLY PUSHING
ACROSS LAKE MICHIGAN SATURDAY NIGHT OR EARLY SUNDAY.

LMZ261-362-364-366-563-565-567-868-180930-
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-
821 PM CDT WED AUG 17 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH.
WAVES 1 FT OR LESS.
.THURSDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO
15 KT. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO
10 KT OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO
3 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING EAST 15 TO
25 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST
15 TO 25 KT. SHOWERS LIKELY. WAVES 2 TO 4 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-180930-
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-
821 PM CDT WED AUG 17 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST.
WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. WAVES
1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST.
WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO
4 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS
LIKELY OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO
25 KT. SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING...THEN
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.SUNDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT. WAVES
1 TO 3 FT.

$$
LMZ761-180930-
MAFOR 1803/
MICHIGAN NORTH 11500 14400 12510 11410. WAVES 1 FT OR LESS
TONIGHT AND 1 TO 2 FT THURSDAY.

MICHIGAN SOUTH 11600 12500 12510 13410. WAVES 1 TO 2 FT.

$$

IZZI



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