Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 240758
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
258 AM CDT SUN MAY 24 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 30.4 INCHES CENTERED OVER THE MID
ATLANTIC COAST WILL DRIFT EAST TONIGHT. A 29.6 INCH LOW WILL FORM
OVER THE CENTRAL PLAINS EARLY MONDAY LIFTS NORTHEAST OVER LAKE
SUPERIOR MONDAY NIGHT. THE LOW WILL THEN WEAKEN AND QUICKLY SLIDE
EAST ACROSS CENTRAL QUEBEC TUESDAY AFTERNOON. AN ASSOCIATED
FRONTAL BOUNDARY WILL REMAIN OVER THE NORTHERN PORTIONS OF LAKE
MICHIGAN TUESDAY EVENING...AS YET ANOTHER WEAK LOW LIFTS
NORTHEAST ACROSS LAKE MICHIGAN WEDNESDAY. HIGH PRESSURE AVERAGING
30.1 INCHES OVER THE SOUTHEAST U.S. SPREADS NORTH OVER THE LAKE
WEDNESDAY AND EVENTUALLY PUSHES EAST LATE NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-241530-
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-
258 AM CDT SUN MAY 24 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
PATCHY FOG THIS AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST. AREAS OF
FOG. SHOWERS WITH THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS IN THE MORNING. AREAS OF FOG. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY NIGHT...SOUTH WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. AREAS OF FOG IN THE AFTERNOON. WAVES SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST.
AREAS OF FOG. CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. AREAS OF
FOG. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. AREAS OF
FOG. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-241530-
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-
258 AM CDT SUN MAY 24 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO 20 KT.
PATCHY FOG THIS AFTERNOON. SLIGHT CHANCE OF SHOWERS THIS
AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH. AREAS OF
FOG. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTH WINDS TO 30 KT. SHOWERS LIKELY IN THE MORNING.
AREAS OF FOG. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO
4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS IN THE AFTERNOON. AREAS OF FOG IN THE AFTERNOON.
WAVES SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
AREAS OF FOG. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO
4 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT.
AREAS OF FOG. WAVES 1 TO 2 FT.

$$

LMZ761-241530-
MAFOR 2410/
MICHIGAN NORTH 12410 12420 12423 12429. WAVES 1 TO 3 FT TODAY.
WAVES 2 TO 4 FT TONIGHT.

MICHIGAN SOUTH 12410 12320 12333 12439. CHANCE OF SHOWERS LATE
THIS EVENING. WAVES 2 TO 4 FT TODAY. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT TONIGHT.

$$

BEACHLER



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