Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 251347
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
847 AM CDT TUE AUG 25 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...LOW PRESSURE OF 29.6 INCHES OVER NORTHEAST ONTARIO
WILL CONTINUE INTO NORTHERN QUEBEC BY WEDNESDAY MORNING. A 30.2
INCH HIGH OVER THE PLAINS WILL SPREAD OVER THE WESTERN LAKES
WEDNESDAY EVENING BEFORE CONTINUING TO NEW ENGLAND BY FRIDAY
MORNING. A 29.7 INCH LOW EJECTS OVER THE CENTRAL PLAINS THURSDAY
EVENING AND WEAKENS AS IT MOVES OVER THE MID MISSISSIPPI VALLEY
SATURDAY MORNING.

LMZ261-362-364-366-563-565-567-868-252030-
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-
847 AM CDT TUE AUG 25 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KT. SCATTERED SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT LATE. SCATTERED SHOWERS IN THE EVENING...THEN SLIGHT CHANCE OF
SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. WAVES 2
TO 4 FT.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO
10 KT OVERNIGHT. WAVES 1 TO 3 FT.
.THURSDAY...VARIABLE WINDS LESS THAN 10 KT BACKING TO SOUTHWEST
10 TO 15 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SATURDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-252030-
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-
847 AM CDT TUE AUG 25 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10
TO 15 KT IN THE AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.TONIGHT...NORTH WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT.
SLIGHT CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.THURSDAY...NORTHEAST WINDS LESS THAN 10 KT VEERING TO SOUTHEAST.
WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.

$$
LMZ761-252030-
MAFOR 2515/
MICHIGAN NORTH 15730 12720. SCATTERED SHOWERS TODAY AND THIS
EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT TODAY SUBSIDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT AND TO 2 TO 4 FT
WEDNESDAY MORNING.

MICHIGAN SOUTH 11530 11520 11510 12810 13820. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT TODAY AND 2 TO 4 FT TONIGHT.

$$


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