Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 180754
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
254 AM CDT MON AUG 18 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 29.9 INCHES EXTENDS FROM JAMES BAY TO
THE EASTERN LAKES. THIS HIGH WILL SLOWLY WEAKEN AND LIFT NORTHEAST
INTO NORTHERN QUEBEC BY TUESDAY NIGHT. MEANWHILE AN AREA OF LOW
PRESSURE AVERAGING 29.8 INCHES OVER KENTUCKY WILL MOVE EAST TO
THE MID ATLANTIC REGION TODAY. ANOTHER LOW OF 29.7 INCHES OVER
MANITOBA AND THE NORTHERN PLAINS...WILL MOVE SOUTHEAST ACROSS THE
NORTHERN LAKES TUESDAY NIGHT INTO WEDNESDAY. THIS LOW IS EXPECTED
TO DISSIPATE ACROSS THE EASTERN LAKES WEDNESDAY INTO WEDNESDAY
NIGHT. A SERIES OF WEAK LOWS MAY MOVE OUT OF THE PLAINS TOWARD THE
LAKE LATER IN THE WEEK.

LMZ261-362-364-366-563-565-181530-
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-
254 AM CDT MON AUG 18 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.TODAY...SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WAVES 1 TO 2 FT.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS
AND THUNDERSTORMS LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4
FT.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING NORTHEAST
10 TO 15 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FT OR LESS.
.FRIDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-181530-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
254 AM CDT MON AUG 18 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.TODAY...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 TO 2 FT.
.TONIGHT...SOUTH WINDS 15 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS
OVERNIGHT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT DIMINISHING TO AROUND 10 KT
LATE. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING WEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING NORTH 5 TO 10 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 15 KT BACKING TO NORTH. SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ761-181530-
MAFOR 1809/
MICHIGAN NORTH 14310 12320 12339. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON THROUGH THIS EVENING. WAVES
1 TO 2 FT TODAY. WAVES BUILDING TO 2 TO 4 FT TONIGHT.

MICHIGAN SOUTH 11300 11310 12320 12420 12429. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2 FT TODAY. WAVES 1 TO 3 FT
TONIGHT.

$$

BEACHLER



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