Great Lakes Forecast
Issued by NWS

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338
FZUS63 KLOT 210149
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CDT FRI MAY 20 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...A WEAK SURFACE LOW OF 29.9 INCHES WILL SHIFT OVER THE
OHIO VALLEY TONIGHT. FARTHER NORTH...HIGH PRESSURE AVERAGING 30.2
INCHES IS EXPECTED TO REMAIN DOMINATE OVER MOST OF THE GREAT
LAKES INTO MONDAY. THEREAFTER...A MORE ACTIVE WEATHER PATTERN
LOOKS TO SET UP OVER THE PLAINS. THIS LOOKS TO RESULT IN SURFACE
LOW PRESSURE SETTING UP FROM THE PLAINS NORTHEASTWARD INTO THE
UPPER MIDWEST INTO THE MIDDLE OF NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-210930-
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-
849 PM CDT FRI MAY 20 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...VARIABLE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SATURDAY...NORTH WINDS 5 TO 10 KT BACKING TO WEST 10 TO 15 KT.
WAVES AROUND 1 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KT VEERING TO NORTHEAST 5
TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING VARIABLE. WAVES 1
TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT BUILDING TO
2 TO 4 FT.
.MONDAY NIGHT...SOUTH WINDS 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 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 5 TO
10 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-210930-
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-
849 PM CDT FRI MAY 20 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 5 TO
10 KT. WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
.SUNDAY...NORTH WINDS 5 TO 10 KT BECOMING VARIABLE. WAVES 1 TO 2
FT.
.SUNDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH...AND
THEN INCREASING TO 10 TO 15 KT LATE. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 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.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$
LMZ761-210930-
MAFOR 2103/
MICHIGAN NORTH 13900 11800 11700 11710 12610. WAVES 2 FT OR LESS.

MICHIGAN SOUTH 13810 14820 11710. WAVES 1 TO 3 FT.

$$


KJB



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