Great Lakes Forecast
Issued by NWS

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500
FZUS63 KLOT 022047
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CST FRI DEC 2 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 29.6 INCHES OVER SOUTHERN QUEBEC WILL
MERGE WITH ANOTHER LOW OVER THE CANADIAN MARITIMES TONIGHT. A 30.2
INCH RIDGE WILL BUILD ACROSS THE NORTHERN PLAINS INTO THE LOWER
MISSISSIPPI VALLEY TODAY...MOVE OVER THE MIDWEST AND GREAT LAKES
SATURDAY...THEN SHIFT OVER NEW ENGLAND BY EARLY NEXT WEEK. A 29.5
INCH LOW IS EXPECTED TO DEVELOP OVER THE SOUTHERN PLAINS MONDAY
AND LIFT ACROSS THE GREAT LAKES TUESDAY...WITH ANOTHER LOW OF 29.5
INCHES OR LOWER TO FOLLOW A SIMILAR TRACK LATER IN THE WEEK.

LMZ261-362-364-366-563-565-567-868-030300-
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-
247 PM CST FRI DEC 2 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT. ISOLATED SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15
KT. ISOLATED SHOWERS. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST.
CHANCE OF RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF RAIN AND SNOW
IN THE MORNING...THEN RAIN AND SNOW IN THE AFTERNOON. WAVES 2 TO
4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. RAIN
AND SNOW SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SHOWERS
OVERNIGHT. WAVES 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 2 TO
4 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST.
WAVES 1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. WAVES BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-030300-
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-
247 PM CST FRI DEC 2 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...NORTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST.
WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT
IN THE AFTERNOON. RAIN AND SNOW DEVELOPING IN THE MORNING. WAVES
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. CHANCE
OF SHOWERS IN THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 1 TO
3 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT. WAVES BUILDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST. CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. WAVES BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.

$$

LMZ761-030300-
MAFOR 0222/
MICHIGAN NORTH 11730 14720 13710. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES 1 TO 3 FT SATURDAY.

MICHIGAN SOUTH 14720 12620 12610. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES 1 TO 3 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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