Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 260233
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
833 PM CST FRI NOV 25 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 BROAD RIDGE OF HIGH PRESSURE OF 30.4 INCHES EXTENDS
FROM THE UPPER OHIO VALLEY...THROUGH THE MID MISSISSIPPI VALLEY
WEST TO THE SOUTH HIGH PLAINS. THIS HIGH WILL SETTLE SOUTH AND
EAST...EXTENDING FROM THE LOWER MISSISSIPPI VALLEY TO THE MID
ATLANTIC BY SUNDAY MORNING. MEANWHILE...SUNDAY...LOW PRESSURE OF
29.2 INCHES WILL DEVELOP OVER THE WESTERN PLAINS AND THEN RAPIDLY
DEEPEN TO 28.9 INCHES AS IT MOVES TO NORTHWEST MINNESOTA BY
MONDAY AFTERNOON. AN ASSOCIATED COLD FRONT WILL SWEEP ACROSS LAKE
MICHIGAN TUESDAY WHILE THE MAIN LOW MOVES LITTLE. THIS LOW WILL
MEANDER NORTHEAST INTO THE WESTERN GREAT LAKES BY WEDNESDAY ONLY
WEAKENING TO 29.4 INCHES.

LMZ261-362-364-366-563-565-567-868-260900-
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-
833 PM CST FRI NOV 25 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING SOUTHWEST
AROUND 10 KT. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 2
TO 4 FT SUBSIDING TO 1 TO 2 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTH.
WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING
TO 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS TO 30 KT INCREASING TO GALES TO
35 KT. CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.MONDAY...SOUTHEAST GALES TO 40 KT DIMINISHING TO GALES TO 35 KT.
CHANCE OF SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.MONDAY NIGHT...SOUTHEAST GALES TO 40 KT. SHOWERS. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT.
.TUESDAY...SOUTH GALES TO 40 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO
4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-260900-
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-
833 PM CST FRI NOV 25 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT OVERNIGHT. SLIGHT CHANCE OF SHOWERS. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST 10 TO 15
KT. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10
TO 15 KT. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING TO
2 TO 4 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH GALES TO
35 KT. SHOWERS LIKELY OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.MONDAY...SOUTH GALES TO 35 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.MONDAY NIGHT...SOUTHEAST GALES TO 40 KT BECOMING SOUTH. SHOWERS.
WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.TUESDAY...SOUTHWEST GALES TO 35 KT. CHANCE OF SHOWERS. WAVES 6
TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25
KT. WAVES 2 TO 4 FT.

$$
LMZ761-260900-
MAFOR 2604/
MICHIGAN NORTH 14720 12610 12510. CHANCE OF SHOWERS TONIGHT.
WAVES 2 TO 4 FT THROUGH SATURDAY MORNING...SUBSIDING TO 1 TO 2
FT SATURDAY AFTERNOON.

MICHIGAN SOUTH 12730 11720 11620 11610 11510 12520. WAVES 3 TO 6
FT OCCASIONALLY TO 8 FT TONIGHT SUBSIDING TO 2 TO 4 FT SATURDAY.

$$

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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