Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 221332
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
832 AM CDT FRI MAY 22 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 30.3 INCHES WILL BECOME CENTERED
ACROSS LAKE MICHIGAN TODAY...THEN SHIFT OVER THE ATLANTIC COAST
ON SATURDAY. LOW PRESSURE OF 29.5 INCHES WILL MOVE FROM THE
CENTRAL PLAINS ON MEMORIAL DAY TO NEAR LAKE SUPERIOR BY
TUESDAY...LIKELY BRINGING A COLD FRONT ACROSS THE LAKE SOMETIME
ON OR NEAR TUESDAY.

LMZ261-362-364-366-563-565-567-868-222200-
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-
832 AM CDT FRI MAY 22 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTH WINDS 5 TO 10 KT BECOMING VARIABLE AROUND
MIDDAY...THEN BECOMING SOUTH LATE. WAVES 2 FT OR LESS.
.TONIGHT...SOUTH WINDS INCREASING TO 10 TO 15 KT. WAVES 1 TO 3
FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO
3 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222200-
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-
832 AM CDT FRI MAY 22 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST.
WAVES 1 TO 3 FT.
.TONIGHT...EAST WINDS 5 TO 10 KT VEERING TO SOUTH. WAVES 1 TO
3 FT.
.SATURDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH.
WAVES 1 TO 3 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$
LMZ761-222200-
MAFOR 2216/
MICHIGAN NORTH 11800 11900 12400 13410 11520. WAVES 2 FT OR LESS
THIS AFTERNOON...BUILDING TO 1 TO 3 FT TONIGHT AND SATURDAY
MORNING.

MICHIGAN SOUTH 11810 12110 11200 11300 12400 11410. WAVES 1 TO 3
FT.

$$


KJB



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