Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 281326
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
826 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 29.2
INCHES OVER SOUTHERN SASKATCHEWAN 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. A WEAK TROUGH OF LOW PRESSURE
AVERAGING 29.8 INCHES AND AN ASSOCIATED WEAK COLD FRONT WILL
MOVE ACROSS LAKE MICHIGAN FRIDAY.

LMZ261-362-364-366-563-565-567-868-282130-
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-
826 AM CDT TUE JUL 28 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTHEAST WINDS LESS THAN 10 KT BECOMING
SOUTHEAST 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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-282130-
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-
826 AM CDT TUE JUL 28 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF 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.

$$
LMZ761-282130-
MAFOR 2815/
MICHIGAN NORTH 11300 12310 11420 14430. CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT AND WEDNESDAY MORNING. WAVES 1 TO 2 FEET
TODAY BUILDING TO WAVES 2 TO 4 FT TONIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT WEDNESDAY MORNING.

MICHIGAN SOUTH 11300 13420 13420 11520. CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT AND WEDNESDAY MORNING. WAVES 1 TO 2 FT
TODAY. WAVES 1 TO 3 FT TONIGHT AND WEDNESDAY MORNING.

$$


KREIN



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