Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 100246
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
846 PM CST FRI DEC 9 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 AVERAGING 30.6 INCHES STRETCHES FROM
SASKATCHEWAN THROUGH THE SOUTHERN MISSISSIPPI VALLEY AND WILL
BECOME CENTERED OVER THE OHIO VALLEY TONIGHT...THEN SHIFT TO THE
MID ATLANTIC SATURDAY NIGHT. LOW PRESSURE OF 29.6 INCHES WILL MOVE
OVER THE CENTRAL PLAINS SUNDAY AND THEN LIFT ACROSS LAKE
MICHIGAN SUNDAY EVENING. THE LOW WILL MOVE TO NEW ENGLAND MONDAY
NIGHT. A 30.2 INCH HIGH WILL BUILD ACROSS THE CENTRAL PLAINS
EARLY MONDAY THEN MOVE TO THE OHIO VALLEY LATE MONDAY. ANOTHER
RIDGE OF 30.5 INCHES WILL BUILD INTO THE NORTHERN PLAINS TUESDAY
THEN SPREAD ACROSS THE MIDWEST WEDNESDAY.

LMZ261-362-364-366-563-565-100900-
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-
846 PM CST FRI DEC 9 2016

TWO RIVERS WI TO MANISTEE MI NORTH...

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST.
SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT. SCATTERED SNOW SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KT BACKING TO SOUTH 10 TO
15 KT. CHANCE OF SNOW. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHEAST WINDS TO 30 KT. SNOW LIKELY. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. SNOW LIKELY IN THE
EVENING...THEN CHANCE OF SNOW OVERNIGHT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS IN
THE MORNING. WAVES 2 TO 4 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...WEST WINDS TO 30 KT. CHANCE OF FREEZING SPRAY.
CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-100900-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
846 PM CST FRI DEC 9 2016

TWO RIVERS WI TO MANISTEE MI SOUTH...

.REST OF TONIGHT...WEST WINDS 15 TO 25 KT. SNOW SHOWERS. WAVES 3
TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO
20 KT LATE IN THE EVENING...THEN SOUTH 15 TO 25 KT OVERNIGHT.
SNOW. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. SNOW. WAVES 4
TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. SNOW
IN THE EVENING...THEN CHANCE OF SNOW OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO 25 KT.
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF FREEZING SPRAY.
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT.

$$
LMZ761-100900-
MAFOR 1004/
MICHIGAN NORTH 12737 11637 14620 11620. SCATTERED SNOW SHOWERS
SATURDAY MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT TONIGHT
SUBSIDING TO 2 TO 4 FT SATURDAY.

MICHIGAN SOUTH 13637 14620 11617. WAVES 3 TO 6 FT OCCASIONALLY
TO 8 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 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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