Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 221342
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
842 AM CDT SUN MAY 22 2016

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 30.2 INCHES STRETCHING FROM JAMES BAY
THROUGH THE MISSISSIPPI VALLEY WILL GRADUALLY SHIFT OVER LAKE
MICHIGAN LATE THIS AFTERNOON AND EVENING AND THEN GRADUALLY EAST
BY MONDAY MORNING. THIS HIGH WILL THEN SETTLE OVER THE
SOUTHEASTERN STATES THROUGH THE MIDDLE OF THE WEEK.
MEANWHILE...LOW PRESSURE OF 29.3 INCHES WILL FORM OVER
SASKATCHEWAN MONDAY AFTERNOON WHILE A SECOND LOW OF 29.5 INCHES
DEVELOPS OVER THE CENTRAL PLAINS. THESE LOWS WILL MERGE MIDWEEK
WITH BROAD LOW PRESSURE OF 29.7 INCHES THEN IN PLACE FROM THE
CENTRAL PLAINS INTO THE UPPER MIDWEST DURING THE LATTER HALF OF
THE WEEK.

LMZ261-362-364-366-563-565-567-868-222130-
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-
842 AM CDT SUN MAY 22 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHEAST WINDS 5 TO 10 KT BECOMING VARIABLE THIS
AFTERNOON. WAVES 1 TO 2 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 15 KT
LATE. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT IN THE
EARLY AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222130-
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-
842 AM CDT SUN MAY 22 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...VARIABLE WINDS 5 TO 10 KT BECOMING NORTH 10 TO
15 KT. WAVES 1 TO 2 FT.
.TONIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING SOUTH LATE.
WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO 20 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$
LMZ761-222130-
MAFOR 2215/
MICHIGAN NORTH 11100 13900 11300 13410. WAVES 1 TO 2 FT.

MICHIGAN SOUTH 11900 12810 13900 11400 11410. WAVES 1 TO 2 FT.

$$


BMD


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