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NWS Forecast

FZUS63 KLOT 190900
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 AM CST FRI DEC 19 2014

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
AN AREA OF HIGH PRESSURE OF 30.3 INCHES STRETCHED
FROM THE MID MISSISSIPPI VALLEY NORTH INTO ONTARIO EARLY THIS
MORNING. THIS HIGH WILL MOVE SLOWLY EAST ACROSS THE WESTERN GREAT
LAKES REGION TODAY AND TONIGHT...SPANNING FROM THE LOWER OHIO
VALLEY TO QUEBEC BY SATURDAY MORNING. THE HIGH WILL REMAIN TO THE
EAST ON SUNDAY... AS A TROUGH OF LOW PRESSURE OF 29.4 INCHES
DEVELOPS EAST OF THE CANADIAN ROCKIES. THE LOW WILL MOVE SOUTHEAST
ACROSS THE NORTHERN PLAINS SUNDAY NIGHT AND TO SOUTHERN MINNESOTA
AND NORTHERN IOWA BY MONDAY AFTERNOON. THE LOW WILL THEN DRIFT
EAST ACROSS WISCONSIN AND LAKE MICHIGAN MONDAY NIGHT AND TUESDAY
WHILE FILLING TO 29.5 INCHES. ANOTHER LOW WILL DEVELOP TUESDAY
NIGHT OVER THE OHIO VALLEY...AND WILL LIFT NORTH TO THE EASTERN
GREAT LAKES WEDNESDAY WHILE RAPIDLY DEEPENING TO 29.1 INCHES. THE
LOW WILL LIFT NORTHEAST INTO QUEBEC THURSDAY.

LMZ261-362-364-366-563-565-567-868-191615-
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-
300 AM CST FRI DEC 19 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

TODAY
NORTH WINDS 5 TO 10 KT. WAVES 1 TO 3 FT SUBSIDING TO 1
TO 2 FT.

TONIGHT
SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SATURDAY
SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

SUNDAY
SOUTH WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES 1 TO
3 FT BUILDING TO 3 TO 5 FT BY LATE AFTERNOON.

SUNDAY NIGHT
SOUTH WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.

MONDAY
SOUTHEAST WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN AND
SNOW. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

TUESDAY
SOUTHEAST WINDS 15 TO 20 KT BECOMING SOUTH AROUND 15
KT. RAIN AND SNOW LIKELY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT.



LMZ080-669-671-673-675-777-779-870-872-874-876-878-191615-
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-
300 AM CST FRI DEC 19 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

TODAY
NORTHWEST WINDS 10 TO 15 KT THIS MORNING DIMINISHING TO 5
TO 10 KT THIS AFTERNOON. OCCASIONAL FLURRIES THIS MORNING. WAVES
2 TO 4 FT SUBSIDING TO 1 TO 3 FT.

TONIGHT
NORTHWEST WINDS 5 TO 10 KT BACKING TO SOUTHWEST. WAVES
1 TO 3 FT SUBSIDING TO 1 TO 2 FT.

SATURDAY
SOUTHWEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF FLURRIES
IN THE MORNING. WAVES 1 TO 2 FT.

SATURDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

SUNDAY
SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF VERY LIGHT
FREEZING DRIZZLE OR SNOW IN THE MORNING...THEN SLIGHT CHANCE OF
SNOW IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT IN THE AFTERNOON.

SUNDAY NIGHT
SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

MONDAY
SOUTH WINDS 15 TO 25 KT. CHANCE OF RAIN AND SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.

TUESDAY
SOUTH WINDS 15 TO 20 KT BECOMING SOUTHWEST 15 TO 20
KT. CHANCE OF RAIN. WAVES SUBSIDING TO 2 TO 4 FT.



LMZ761-191615-
MAFOR 1910/
MICHIGAN NORTH 12810 12800 11900 12600 11500. WAVES 1 TO 3 FT
THIS MORNING SUBSIDING TO 2 FT OR LESS THIS AFTERNOON AND TONIGHT.

MICHIGAN SOUTH 13810 11800 11700 11900 11600 11500. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 3 FT BY MIDDAY. WAVES SUBSIDING TO 2 FT OR
LESS TONIGHT.



RATZER