Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 181343
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
843 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 30.1 INCHES EXTENDS FROM JAMES BAY
THROUGH THE GREAT 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.

LMZ261-362-364-366-563-565-182145-
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-
843 AM CDT MON AUG 18 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.REST OF TODAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST LATE
IN THE AFTERNOON. 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. SHOWERS AND THUNDERSTORMS
LATE. WAVES BUILDING TO 2 TO 4 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT
IN THE AFTERNOON. 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.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-182145-
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-
843 AM CDT MON AUG 18 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST OF TODAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE. WAVES 1 TO
2 FT.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25 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.

$$
LMZ761-182145-
MAFOR 1815/
MICHIGAN NORTH 12420 12320 13339 11329. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE IN THE AFTERNOON. WAVES 1 TO 3 FT THIS
AFTERNOON BUILDING TO 2 TO 4 FT TONIGHT. WAVES 2 TO 4 FT TUESDAY
MORNING.

MICHIGAN SOUTH 10910 11410 13320 11420 12439 11429. CHANCE OF
SHOWERS AND THUNDERSTORMS LATE IN THE AFTERNOON AND EVENING. WAVES
1 TO 2 FT THIS AFTERNOON. WAVES 1 TO 3 FT TONIGHT. WAVES 2 TO
4 FT TUESDAY MORNING.

$$

JEE





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