Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 171948
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 PM CDT SUN AUG 17 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 OVER CENTRAL ONTARIO
WILL BUILD SOUTH THROUGH THE NORTHERN GREAT LAKES REGION TODAY
THEN WEAKEN TO 29.9 INCHES OVER FAR SOUTHWEST QUEBEC MONDAY
EVENING. LOW PRESSURE OF 29.8 INCHES IN CENTRAL MISSOURI
WILL DRIFT EAST ACROSS THE OHIO VALLEY BY MONDAY MORNING THEN
DISSIPATE. ANOTHER WEAK LOW AROUND 29.8 IN THE CANADIAN PRAIRIES WILL
INCHES WILL DEEPEN TO 29.6 AS IT PASSES FROM THE UPPER MIDWEST TO THE
LAKE SOMETIME LATER TUESDAY ...POSSIBLY COMBINING WITH A WEAK LOW
EJECTING OUT OF THE CENTRAL ROCKIES TUESDAY NIGHT. THIS LOW WILL
MOVE EAST AND WEAKEN WEDNESDAY. A SERIES OF WEAK LOWS MAY MOVE OUT
OF THE PLAINS TOWARD THE LAKE LATER IN THE WEEK.

LMZ261-362-364-366-563-565-180415-
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-
248 PM CDT SUN AUG 17 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.TONIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST AROUND 10 KT.
WAVES 1 TO 3 FT.
.MONDAY...SOUTHEAST WINDS AROUND 10 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS
LIKELY OVERNIGHT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS AND THUNDERSTORMS
LIKELY OVERNIGHT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-180415-
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-
248 PM CDT SUN AUG 17 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

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

$$

LMZ761-180415-
MAFOR 1721/
MICHIGAN NORTH 13110 12200 13310. WAVES 1 TO 3 FT TONIGHT...THEN 2
FT OR LESS MONDAY.

MICHIGAN SOUTH 12820 11120 14210 11200. WAVES 2 TO 4 FT TONIGHT.
WAVES 1 TO 3 FT MONDAY MORNING...SUBSIDING TO 2 FT OR LESS MONDAY
AFTERNOON.

$$

KMD






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