Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 290749
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 AM CDT WED JUL 29 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...STRONG LOW PRESSURE OF 29.2 INCHES OVER MANITOBA WILL
MOVE TO HUDSON BAY THURSDAY AS IT DEEPENS FURTHER TO 29.1 INCHES.
A TRAILING COLD FRONT FROM THIS LOW WILL MOVE ACROSS THE LAKE
TODAY. HIGH PRESSURE OF 30.1 INCHES WILL BUILD ACROSS THE CENTRAL
PLAINS TODAY AND TONIGHT AND SLOWLY SPREAD EAST INTO THE OHIO
VALLEY THURSDAY AND FRIDAY. A WEAK TROUGH OF LOW PRESSURE
AVERAGING 29.8 INCHES AND AN ASSOCIATED WEAK COLD FRONT WILL MOVE
ACROSS THE LAKE FRIDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-291400-
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-
249 AM CDT WED JUL 29 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST LATE. WAVES
2 TO 4 FT.
.TONIGHT...WEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.FRIDAY NIGHT...WEST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291400-
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-
249 AM CDT WED JUL 29 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS THIS MORNING. WAVES 1 TO 3
FT.
.TONIGHT...WEST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. WAVES SUBSIDING TO 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 1
TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-291400-
MAFOR 2909/
MICHIGAN NORTH 14530 14630. WAVES 2 TO 4 FT.

MICHIGAN SOUTH 13520 11630 14630. CHANCE OF SHOWERS AND
THUNDERSTORMS THIS MORNING. WAVES 1 TO 3 FT TODAY AND 2 TO 4
FT TONIGHT.

$$



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