Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 230749
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 AM CDT SAT AUG 23 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...BROAD LOW PRESSURE OF 29.9 INCHES IS SPREAD ACROSS THE
MID MISSISSIPPI RIVER VALLEY WITH BETTER ORGANIZED LOW PRESSURE OF
29.8 INCHES ACROSS THE CENTRAL PLAINS. THE PLAINS LOW PRESSURE WILL
DEEPEN TO AROUND 29.6 INCHES AS IT LIFTS NORTHWARD TOWARD THE
CANADIAN BORDER BY SUNDAY AFTERNOON...THEN TURN NORTHEAST ACROSS
NORTHERN ONTARIO. HIGH PRESSURE OF 30.2 INCHES WILL SPREAD SOUTHWARD
ACROSS NEW ENGLAND AND THE MID ATLANTIC STATES INTO SUNDAY NIGHT.
THE MAIN TRACK OF LOW PRESSURE SYSTEMS WILL REMAIN TO THE NORTHWEST
OF LAKE MICHIGAN EARLY NEXT WEEK BUT IS EXPECTED TO SHIFT ACROSS THE
LAKE DURING THE MIDDLE OF NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-231600-
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-
249 AM CDT SAT AUG 23 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. PATCHY FOG.
WAVES 1 TO 2 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHEAST THEN
EASING TO 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-231600-
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-
249 AM CDT SAT AUG 23 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. PATCHY FOG.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 1
TO 2 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-231600-
MAFOR 2309/
MICHIGAN NORTH 10313 11323 13210 11110 11120 11220 11320. PATCHY
FOG. SLIGHT CHANCE OF THUNDERSTORMS TONIGHT. WAVES 1 TO 2 FT TODAY
AND 1 TO 3 FT TONIGHT.

MICHIGAN SOUTH 11213 13210 19110 12110 11220 11320. PATCHY FOG.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND
TONIGHT. WAVES 1 TO 2 FT TODAY AND 1 TO 3 FT TONIGHT.

$$

MDB




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