Great Lakes Forecast
Issued by NWS

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334
FZUS63 KLOT 050855
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
255 AM CST MON DEC 5 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...HIGH PRESSURE AVERAGING 30.1 INCHES WILL MOVE
NORTHEAST ACROSS THE OHIO VALLEY TODAY. LOW PRESSURE OF 29.5
INCHES OVER THE NORTHERN PLAINS WILL TRACK EAST TO NORTHERN
MINNESOTA BY THIS EVENING AND DEEPEN TO 29.4 INCHES. THIS LOW
WILL TRACK EAST-NORTHEAST ACROSS SOUTHWESTERN ONTARIO TUESDAY
WHILE AN ASSOCIATED COLD FRONT SWEEPS ACROSS LAKE MICHIGAN. HIGH
PRESSURE OF 30.6 INCHES WILL BUILD ACROSS THE PLAINS BEHIND THE
FRONT. BY WEDNESDAY THE LOW WILL MOVE TO JAMES BAY AND THE STRONG
HIGH PRESSURE WILL SPREAD SOUTH AND EAST TO THE MIDDLE MISSISSIPPI
VALLEY. BY THURSDAY MORNING THE LOW WILL SHIFT ACROSS QUEBEC WHILE
FILLING TO 29.5 INCHES. THE RIDGE OF HIGH PRESSURE WILL CONTINUE
TO SPREAD SOUTH EAST LATE IN THE WEEK...EXTENDING ACROSS THE
NORTHERN PLAINS TO THE OHIO VALLEY AT 30.5 INCHES.

LMZ261-362-364-366-563-565-567-868-051615-
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-
255 AM CST MON DEC 5 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...WEST WINDS 15 TO 25 KT BECOMING SOUTH. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 15 TO 25 KT.
CHANCE OF RAIN IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF RAIN IN THE
EVENING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...WEST GALES TO 35 KT DIMINISHING TO 30 KT. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.FRIDAY...NORTHWEST WINDS TO 30 KT WITH A FEW GALE FORCE GUSTS TO
35 KT...THEN DIMINISHING TO 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-051615-
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-
255 AM CST MON DEC 5 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...WEST WINDS 15 TO 25 KT BECOMING SOUTH. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS TO 30 KT BECOMING SOUTHEAST 15 TO 25 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT VEERING TO WEST. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.WEDNESDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO
30 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.FRIDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
SNOW SHOWERS LIKELY. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ761-051615-
MAFOR 0510/
MICHIGAN NORTH 11640 11630 12530 11430 13440. CHANCE OF RAIN
SHOWERS EARLY THIS MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
TODAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT TONIGHT.

MICHIGAN SOUTH 11630 12530 14430 11430. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
TONIGHT.

$$


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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