Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 111953
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
253 PM CDT THU SEP 11 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...LOW PRESSURE OF 29.3 INCHES OVER CENTRAL QUEBEC WILL
CONTINUE TO LIFT NORTHEAST THROUGH QUEBEC THIS EVENING WHILE
DEEPENING TO 29.2 INCHES. A LARGE AND EXPANSIVE AREA OF HIGH
PRESSURE OF 30.7 INCHES WILL BUILD OVER THE PLAINS AND UPPER
MIDWEST BEHIND THE DEPARTING LOW. THIS HIGH WILL GRADUALLY SHIFT
OVER THE GREAT LAKES REGION THIS WEEKEND WHILE WEAKENING TO 30.3
INCHES.

LMZ261-362-364-366-563-565-567-868-120330-
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-
253 PM CDT THU SEP 11 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTH WINDS 20 TO 25 KT BECOMING NORTHEAST 15 TO 25 KT.
SLIGHT CHANCE OF SHOWERS OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS IN THE MORNING...THEN SHOWERS LIKELY LATE.
WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KT. SHOWERS LIKELY. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.
.MONDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-120330-
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-
253 PM CDT THU SEP 11 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTH WINDS 20 TO 25 KT BECOMING NORTHEAST 15 TO 25 KT.
SLIGHT CHANCE OF SHOWERS. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT
SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 20 KT DIMINISHING TO 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KT. SHOWERS LIKELY. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTH
5 TO 10 KT. WAVES 2 TO 4 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST. CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.
.TUESDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ761-120330-
MAFOR 1121/
MICHIGAN NORTH 12830 12130 12120 12116. CHANCE OF SHOWERS FRIDAY
MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT TONIGHT. WAVES SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT FRIDAY.

MICHIGAN SOUTH 12830 12130 12120 12110. CHANCE OF SHOWERS FRIDAY.
WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT SUBSIDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT TONIGHT. WAVES SUBSIDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT FRIDAY.

$$

BEACHLER




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