Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 220137
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
837 PM CDT SAT MAY 21 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 STRETCHES FROM HUDSON
BAY INTO THE LOWER MISSISSIPPI VALLEY WILL GRADUALLY SHIFT EAST
OF LAKE MICHIGAN SUNDAY NIGHT...THEN SETTLE OVER THE SOUTHEASTERN
STATES THROUGH THE MIDDLE OF NEXT WEEK. MEANWHILE...LOW PRESSURE
OF 29.3 INCHES WILL FORM OVER SASKATCHEWAN MONDAY WHILE A SECOND
LOW OF 29.5 INCHES DEVELOPS OVER THE CENTRAL PLAINS. THESE LOWS
WILL MERGE BY AROUND MIDWEEK WITH BROAD LOW PRESSURE OF 29.7
INCHES IN PLACE FROM THE CENTRAL PLAINS INTO THE UPPER MIDWEST.

LMZ261-362-364-366-563-565-567-868-221000-
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-
837 PM CDT SAT MAY 21 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

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

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-221000-
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-
837 PM CDT SAT MAY 21 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 10 KT. WAVES 2 FT OR
LESS.
.SUNDAY...WINDS BECOMING NORTH 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...NORTH WINDS 5 TO 10 KT VEERING TO SOUTH. WAVES
1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 2 FT BUILDING TO 1 TO 3 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES
1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.

$$
LMZ761-221000-
MAFOR 2203/
MICHIGAN NORTH 16900. WAVES 1 FOOT OR LESS.

MICHIGAN SOUTH 14700 13810 11800. WAVES 2 FT OR LESS TONIGHT AND 1
TO 3 FT SUNDAY.

$$

IZZI



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