Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 140846
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
246 AM CST SAT JAN 14 2017

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 OF 30.7 INCHES STRETCHES FROM THE UPPER
MIDWEST TO NEW ENGLAND EARLY THIS MORNING AND WILL PERSIST
THROUGH THE WEEKEND. A WEAK TROUGH OF 30.1 INCHES OVER MANITOBA
WILL MOVE TO JAMES BAY THIS AFTERNOON THEN TO THE CANADIAN
MARITIMES TONIGHT. THE HIGH WILL SHIFT TO NEW ENGLAND ON MONDAY AS
LOW PRESSURE OF 29.7 INCHES MOVES OVER THE SOUTHERN PLAINS. THE
LOW IS EXPECTED TO LIFT TO THE WESTERN GREAT LAKES TUESDAY THEN
FILL AS IT LIFTS INTO CANADA.

LMZ261-362-364-366-563-565-567-868-141630-
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-
246 AM CST SAT JAN 14 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25
KT...THEN BECOMING WEST 10 TO 20 KT LATE. WAVES 1 TO 3 FT BUILDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT
LATE. WAVES SUBSIDING TO 1 TO 3 FT.
.SUNDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST LATE IN THE
MORNING...THEN BECOMING 10 TO 20 KT EARLY IN THE AFTERNOON. WAVES
1 TO 2 FT BUILDING TO 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
RAIN OR SNOW SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. SHOWERS LIKELY.
WAVES 2 TO 4 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT VEERING TO SOUTHWEST.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141630-
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-
246 AM CST SAT JAN 14 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...VARIABLE WINDS LESS THAN 10 KT BECOMING NORTHWEST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO AROUND 10
KT. WAVES 1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS LESS THAN 10 KT BECOMING SOUTHWEST.
WAVES 1 TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT. CHANCE OF LIGHT FREEZING
RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
CHANCE OF RAIN OR LIGHT FREEZING RAIN OR SNOW IN THE MORNING...
THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO 2 FT BUILDING TO
1 TO 3 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT. SHOWERS. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ761-141630-
MAFOR 1410/
MICHIGAN NORTH 10510 11520 13530 11620 13710. WAVES 1 TO 3 FT
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES SUBSIDING
TO 1 TO 3 FT TONIGHT.

MICHIGAN SOUTH 12900 11600 12710 12720 11710. WAVES 1 TO 3 FT.

$$

BMD

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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