Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280746
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
246 AM CDT SUN AUG 28 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 WEAK TROUGH OF LOW PRESSURE OF 29.9 INCHES OVER
THE UPPER PENINSULA OF MICHIGAN WILL MOVE TO EASTERN ONTARIO TODAY.
HIGH PRESSURE OF 30.2 INCHES WILL MOVE ACROSS THE LAKE TODAY
AND PERSIST INTO THE DAY MONDAY. LOW PRESSURE OF 29.7 INCHES
MOVING EAST ACROSS NORTHERN ONTARIO ON MONDAY NIGHT INTO TUESDAY
WILL SEND A COLD FRONT ACROSS THE NORTHERN HALF OF THE LAKE ON
TUESDAY. LARGE HIGH PRESSURE OF 30.3 INCHES WILL BUILD
TOWARDS THE WESTERN LAKES THROUGH MID WEEK THEN SPREAD TO THE
EASTERN LAKES LATE WEEK.

LMZ261-362-364-366-563-565-567-868-281530-
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-
246 AM CDT SUN AUG 28 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...WEST WINDS 10 TO 15 KT SHIFTING NORTHWEST MIDDAY BEFORE
BACKING TO SOUTHWEST 5 TO 10 KT LATE THIS AFTERNOON. WAVES 1 TO 2
FT.
.TONIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.MONDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
.THURSDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281530-
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-
246 AM CDT SUN AUG 28 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTHEAST AROUND 10
KT. WAVES 1 TO 2 FT.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 FT
OR LESS.
.MONDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
2 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES
1 TO 2 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO
2 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 15 KT VEERING TO NORTH 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-281530-
MAFOR 2809/
MICHIGAN NORTH 12610 11700 11600 11500 13400. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11710 11700 12800 13100 11200. WAVES 1 TO 3 FT.

$$

KMD

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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