Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 230114
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
814 PM 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 30.1 INCHES STRETCHING FROM QUEBEC
THROUGH THE LAKE AND MISSISSIPPI VALLEY WILL GRADUALLY SHIFT EAST
OF LAKE MICHIGAN INTO MONDAY MORNING. THIS HIGH WILL THEN SETTLE
OVER THE SOUTHEASTERN STATES THROUGH THE MIDDLE OF THE WEEK.
MEANWHILE...LOW PRESSURE OF 29.4 INCHES WILL FORM OVER MANITOBA
MONDAY AFTERNOON WHILE A SECOND LOW OF 29.6 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 AND GREAT LAKES REGION THROUGH MIDWEEK. A NEW
TROUGH OF LOW PRESSURE AVERAGING 29.7 INCHES WILL DEVELOP ACROSS
THE CENTRAL PLAINS AND REMAIN IN PLACE THROUGH LATE IN THE WORK
WEEK.

LMZ261-362-364-366-563-565-567-868-230915-
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-
814 PM CDT SUN MAY 22 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH 10
TO 15 KT. WAVES LESS THAN 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTH
10 TO 15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO
4 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-230915-
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-
814 PM CDT SUN MAY 22 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTH WINDS 5 TO 10 KT VEERING TO SOUTH. WAVES
LESS THAN 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT BUILDING TO 2 TO 4 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 20 KT BECOMING SOUTHWEST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT BECOMING EAST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$
LMZ761-230915-
MAFOR 2303/
MICHIGAN NORTH 11300 11400 12410 11420 13430. WAVES LESS THAN 2
FT OVERNIGHT...BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT MONDAY
AND MONDAY EVENING.

MICHIGAN SOUTH 11800 11300 11400 12410 13420. WAVES LESS THAN 2
FT OVERNIGHT...BUILDING TO 2 TO 4 FT MONDAY AND MONDAY EVENING.

$$


KJB


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