Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 270741
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
241 AM CDT SAT SEP 27 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...HIGH PRESSURE OF 30.3 INCHES CENTERED OVER SOUTHERN
ONTARIO AND SPREAD ACROSS THE GREAT LAKES WILL GRADUALLY WEAKEN
THROUGH SUNDAY. LOW PRESSURE OF 29.7 INCHES OVER CENTRAL MANITOBA
THIS MORNING WILL QUICKLY MOVE EAST ACROSS JAMES BAY THIS EVENING. A
COLD FRONTAL BOUNDARY WILL GRADUALLY PUSH SOUTHWARD ACROSS LAKE
SUPERIOR SUNDAY AND SUNDAY NIGHT AS HIGH PRESSURE OF AROUND 30.5
INCHES MOVES ACROSS MANITOBA INTO NORTHERN ONTARIO. THE FRONT WILL
MOVE ACROSS NORTHERN LAKE MICHIGAN MONDAY WITH HIGH PRESSURE RIDGING
EXTENDING INTO THE REGION TUESDAY. A SERIES OF LOW PRESSURE SYSTEMS
WILL THEN TRACK NORTHEASTWARD FROM MID TO LATE NEXT WEEK WITH THE
LATE WEEK SYSTEM POSSIBLY PASSING IN CLOSE PROXIMITY TO LAKE
MICHIGAN.

LMZ261-362-364-366-563-565-567-868-271545-
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-
241 AM CDT SAT SEP 27 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTH WINDS 5 TO 10 KT. PATCHY FOG THROUGH MID MORNING.
WAVES AROUND 1 FT.
.TONIGHT...SOUTH WINDS 5 TO 10 KT. PATCHY FOG OVERNIGHT. WAVES
AROUND 1 FT.
.SUNDAY...SOUTHWEST WINDS AROUND 10 KT. WAVES AROUND 1 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS AROUND 10 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING NORTHWEST 15 TO 25
KT LATE IN THE AFTERNOON. CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES TO 2
TO 4 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-271545-
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-
241 AM CDT SAT SEP 27 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT.
PATCHY FOG THROUGH MID MORNING. WAVES AROUND 1 FT.
.TONIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. PATCHY FOG
OVERNIGHT. WAVES AROUND 1 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES
AROUND 1 FT.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING VARIABLE.
WAVES 1 FT OR LESS.
.MONDAY...WEST WINDS AROUND 10 KT. SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 1 FT OR LESS.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES SUBSIDING TO 2 TO 4 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ761-271545-
MAFOR 2709/
MICHIGAN NORTH 16400. PATCHY FOG THROUGH MID MORNING. WAVES AROUND
1 FT

MICHIGAN SOUTH 12300 13200 12200 11300. PATCHY FOG THROUGH MID
MORNING. WAVES AROUND 1 FT.

$$

MDB





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