Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 151950
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CDT FRI AUG 15 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 AT THE SOUTHERN TIP OF
LAKE MICHIGAN WILL PUSH EAST TO THE ATLANTIC SEABOARD THROUGH THE
WEEKEND. WEAK LOW PRESSURE OF 29.8 INCHES OVER SOUTH CENTRAL
CANADA WILL DEEPEN TO 29.7 INCHES ON SATURDAY AS IT PASSES NORTH
OF LAKE HURON...SENDING A COLD FRONT DOWN THE LAKE SATURDAY INTO
SATURDAY NIGHT. FARTHER WEST...LOW PRESSURE OF 29.8 INCHES ACROSS
THE CENTRAL PLAINS WILL MOVE ACROSS THE MID MISSISSIPPI VALLEY
SUNDAY AND THROUGH THE OHIO VALLEY SUNDAY NIGHT. HIGH PRESSURE OF
30.0 INCHES MOVES ACROSS THE NORTHERN GREAT LAKES REGION SUNDAY
INTO MONDAY. ADDITIONAL WEAK LOWS MAY PASS FROM THE UPPER MIDWEST
TO THE LAKE AT TIMES LATER IN THE WEEK.

LMZ261-362-364-366-563-565-160345-
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-
250 PM CDT FRI AUG 15 2014

TWO RIVERS WI TO MANISTEE MI NORTH

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT IN THE EVENING...THE
SOUTHWEST TO 30 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS
OVERNIGHT. WAVES 1 TO 3 FT...BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT LATE.
.SATURDAY...WEST WINDS TO 30 KT VEERING TO NORTH 10 TO 20 KT LATE
IN THE DAY. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT LATE...SUBSIDING
TO 2 TO 4 FT IN THE AFTERNOON.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 2 TO 4 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES SUBSIDING TO 1 TO 3
FT.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.MONDAY...EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES
1 TO 2 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 FT OR LESS.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-160345-
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-
250 PM CDT FRI AUG 15 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO SOUTHWEST 10 TO
20 KT. WAVES 1 TO 3 FT...INCREASING TO 2 TO 4 FT LATE.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO
NORTHEAST. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...
THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES
2 TO 4 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.MONDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.

$$

LMZ761-160345-
MAFOR 1521/
MICHIGAN NORTH 12520 12530 12540 11640 11720. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS EVENING THROUGH SATURDAY. WAVES 2 TO 4 FT
TONIGHT BUIDLING TO 4 TO 6 FT OCCASIONALLY TO 8 FT BY EARLY
SATURDAY...THEN SUBSIDING TO 2 TO 4 FT SATURDAY AFTERNOON.

MICHIGAN SOUTH 12410 11420 14520 11520. WAVES 1 TO 3 FT TONIGHT.
WAVES 2 TO 4 FT SATURDAY.

$$

KMD





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