Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 031947
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CDT THU SEP 3 2015

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...LARGE HIGH PRESSURE AVERAGING 30.1 INCHES CONTINUES
TO DOMINATE THE EASTERN THIRD OF THE COUNTRY THIS WEEK...WHILE A
LOW PRESSURE TROUGH AVERAGING 29.7 INCHES REMAINS OVER THE CENTER
OF THE COUNTRY. LOW PRESSURE ON THE NORTH END OF THE TROUGH AXIS
WILL PASS THROUGH JAMES BAY SATURDAY AND THEN OFF TO THE EAST
COAST OF CANADA SUNDAY. LATE IN THE WEEKEND INTO EARLY NEXT WEEK
A COLD FRONT WILL CROSS THE LAKE AND HELP BRING A CHANGE TO THIS
PATTERN.

LMZ261-362-364-366-563-565-567-868-040200-
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-
247 PM CDT THU SEP 3 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING EAST 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO
3 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST LATE IN
THE EVENING...THEN BECOMING SOUTHEAST 5 TO 10 KT AFTER MIDNIGHT
BECOMING SOUTH LATE. WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20
KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS AROUND 10 KT BECOMING NORTHWEST 10 TO
20 KT TUESDAY NIGHT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-040200-
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-
247 PM CDT THU SEP 3 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...VARIABLE WINDS AROUND 10 KT BECOMING NORTH 10 TO 20
KT EARLY...THEN DIMINISHING TO 5 TO 10 KT LATE. CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 TO 2 FT.
.FRIDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 1 FT
OR LESS.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KT VEERING TO SOUTH. WAVES
1 FT OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 FT OR LESS.

$$

LMZ761-040200-
MAFOR 0321/
MICHIGAN NORTH 11820 12120 11210 14110. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11910 11820 11810 13800 12100. CHANCE OF
SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 TO 2 FT.

$$


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