Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 041917
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
217 PM CDT FRI JUL 4 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 IS CENTERED OVER THE
SOUTHERN END OF THE LAKE AND IT WILL SHIFT EAST TO OVER THE EAST
COAST BY SATURDAY NIGHT. LOW PRESSURE OF 29.6 INCHES FORMS OVER
WESTERN ONTARIO SUNDAY AND DEEPENS TO 29.3 INCHES AS IT PASSES
OVER SOUTHERN ONTARIO SUNDAY THROUGH MONDAY MORNING. THE LOWS COLD
FRONT WILL PASS OVER THE LAKE MONDAY MORNING. ANOTHER WEAKER LOW
OF 29.6 INCHES THEN PASSES OVER SOUTHERN ONTARIO MONDAY NIGHT AND
TUESDAY. ITS COLD FRONT PASSES OVER THE LAKE EARLY WEDNESDAY
MORNING.

LMZ261-362-364-366-563-565-567-868-050400-
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-
217 PM CDT FRI JUL 4 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT LATE. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY...WEST WINDS AROUND 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-050400-
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-
217 PM CDT FRI JUL 4 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...VARIABLE WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10
KT...AND THEN BECOMING SOUTH AFTER MIDNIGHT. WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT. WAVES BUILDING TO 2 TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT IN
THE AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ761-050400-
MAFOR 0421/
MICHIGAN NORTH 14520 11520 11420 12430. WAVES 1 TO 3 FT TONIGHT.
WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT SATURDAY.

MICHIGAN SOUTH 11910 12900 12400 11410 12420. WAVES 1 TO 2 FT
TONIGHT. WAVES BUILDING TO 2 TO 4 FT SATURDAY.

$$

JEE







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