Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 311351
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 AM CDT THU JUL 31 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 29.8 INCHES OVER EASTERN ONTARIO WILL
STEER A WEAK COLD FRONT SOUTHWARD INTO THE NORTHERN PART OF THE
LAKE TONIGHT. ANOTHER WEAK COLD FRONT WILL MOVE SOUTH OVER THE
LAKE EARLY SATURDAY WITH HIGH PRESSURE AROUND 30.1 INCHES MOVING
OVER THE LAKE SATURDAY NIGHT AND EARLY SUNDAY. LOW PRESSURE AROUND
29.7 INCHES IS EXPECTED TO DEVELOP OVER THE NORTHERN TO CENTRAL
PLAINS DURING TUESDAY AND APPROACH THE GREAT LAKES DURING THE
MIDDLE OF NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-312200-
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-
851 AM CDT THU JUL 31 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH THIS
AFTERNOON. ISOLATED SHOWERS EARLY THIS AFTERNOON. ISOLATED SHOWERS
AND THUNDERSTORMS LATE. WAVES 2 FT OR LESS.
.TONIGHT...SOUTH WINDS 5 TO 10 KT BECOMING VARIABLE LATE THIS
EVENING. WAVES 2 FT OR LESS.
.FRIDAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES
2 FT OR LESS.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BACKING NORTHEAST
OVERNIGHT. SLIGHT CHANCE OF SHOWERS. WAVES AROUND 1 FT.
.SATURDAY...NORTHEAST WINDS 5 TO 10 KT. WAVES AROUND 1 FT.
.SATURDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTHWEST.
WAVES 1 FT OR LESS.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.
.MONDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15
KT MONDAY NIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-312200-
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-
851 AM CDT THU JUL 31 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH IN THE
AFTERNOON. SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS THIS
AFTERNOON. WAVES 1 TO 2 FT.
.TONIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST LATE THIS EVENING.
SLIGHT CHANCE OF SHOWERS THROUGH EARLY EVENING. SLIGHT CHANCE OF
SHOWERS OVERNIGHT. WAVES 2 FT OR LESS.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1 FT.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS.
WAVES AROUND 1 FT.
.SATURDAY...EAST WINDS 5 TO 10 KT BECOMING NORTH. SLIGHT CHANCE
OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.SATURDAY NIGHT...NORTH WINDS AROUND 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 15 KT
SUNDAY NIGHT. WAVES 1 TO 2 FT.
.MONDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTH. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-312200-
MAFOR 3115/
MICHIGAN NORTH 11500 14400 13900. WAVES 2 FT OR LESS.

MICHIGAN SOUTH 11510 12410 11400 14500. SCATTERED SHOWERS THIS
AFTERNOON. WAVES 1 TO 2 FT THIS AFTERNOON AND TONIGHT. WAVES
AROUND 1 FOOT FRIDAY MORNING.

$$

KMD







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