Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 270757
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
257 AM CDT WED MAY 27 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 EASTERN ONTARIO WILL
SLOWLY WEAKEN AS IT LIFTS NORTHEAST ACROSS QUEBEC THURSDAY
MORNING. HIGH PRESSURE AVERAGING 30.1 INCHES WILL THEN SPREAD
OVER THE LAKE TONIGHT. THE NEXT LOW WILL FORM OVER THE NORTHERN
PLAINS THURSDAY...AND WILL PASS NORTH OF THE GREAT LAKES AT ABOUT
29.6 INCHES ON FRIDAY. A STRONG COLD FRONT TRAILING FROM THE LOW
WILL SWEEP ACROSS THE LAKE FRIDAY NIGHT INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-271515-
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-
257 AM CDT WED MAY 27 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. AREAS OF FOG
THIS MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2
TO 4 FT.
.TONIGHT...WEST WINDS 10 TO 20 KT BECOMING SOUTH 10 TO 15 KT.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. WAVES SUBSIDING TO 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTH TO 30 KT
OVERNIGHT. SHOWERS WITH THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT.
.SATURDAY...NORTH WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-271515-
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-
257 AM CDT WED MAY 27 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT. AREAS OF FOG THIS MORNING.
SLIGHT CHANCE OF SHOWERS THIS MORNING...THEN SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
IN THE EVENING. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT THEN
BECOMING SOUTHEAST. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH.
WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST TO
30 KT OVERNIGHT. SHOWERS WITH THUNDERSTORMS LIKELY. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...NORTH WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES SUBSIDING TO 3 TO 5
FT OCCASIONALLY TO 7 FT.

$$

LMZ761-271515-
MAFOR 2710/
MICHIGAN NORTH 12523 12620 12620 11510 11410. CHANCE OF SHOWERS
TODAY THROUGH THIS EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT TODAY. WAVES SUBSIDING TO 1 TO 3 FT
TONIGHT.

MICHIGAN SOUTH 12523 12520 14510. WAVES 2 TO 4 FT SUBSIDING TO 1
TO 3 FT TODAY. WAVES 1 TO 3 FT TONIGHT.

$$


BEACHLER



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