Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280748
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 AM CDT TUE JUL 28 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...HIGH PRESSURE OF 30.0 INCHES OVER THE EASTERN LAKES
WILL SLOWLY MOVE EAST TODAY AND TONIGHT. LOW PRESSURE OF 29.6
INCHES OVER THE NORTHERN PLAINS WILL MOVE NORTHEAST TO HUDSON BAY
BY WEDNESDAY EVENING...AS IT DEEPENS TO 29.1 INCHES. A TRAILING
COLD FRONT FROM THIS LOW WILL MOVE ACROSS THE LAKE ON WEDNESDAY.
HIGH PRESSURE OF 30.1 INCHES WILL BUILD ACROSS THE CENTRAL PLAINS
WEDNESDAY NIGHT AND THEN ACROSS THE OHIO VALLEY THURSDAY NIGHT
INTO FRIDAY. ANOTHER WEAK COLD FRONT WILL SETTLE ACROSS THE LAKES
LATE FRIDAY.

LMZ261-362-364-366-563-565-567-868-281400-
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-
248 AM CDT TUE JUL 28 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. WAVES
1 TO 2 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1
TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281400-
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-
248 AM CDT TUE JUL 28 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20
KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE EVENING AND
OVERNIGHT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10
KT. WAVES 1 TO 2 FT.

$$

LMZ761-281400-
MAFOR 2809/
MICHIGAN NORTH 12400 13410 12420 11430. CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT. WAVES 1 TO 2 FT TODAY BUILDING TO 2 TO
4 FT TONIGHT.

MICHIGAN SOUTH 12300 14310 11410 11420. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3
FT.

$$



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