Great Lakes Forecast
Issued by NWS

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547
FZUS63 KLOT 310743
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
243 AM CDT SUN JUL 31 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 WILL REMAIN ACROSS THE
WESTERN LAKES THROUGH MONDAY BEFORE THEN QUICKLY MOVING EAST
MONDAY NIGHT. LOW PRESSURE AROUND 29.7 INCHES WILL DEVELOP ACROSS
THE CENTRAL PLAINS BY MONDAY NIGHT AND MOVE TOWARD THE WESTERN
GREAT LAKES ON TUESDAY...SLOWLY WEAKENING TO 29.9 INCHES AS IT
DOES SO. THIS TROUGH WILL MOVE ACROSS LAKE MICHIGAN ON WEDNESDAY.
STRONG LOW PRESSURE OF 29.4 INCHES WILL THEN MOVE FROM THE
SOUTHERN CANADIAN PRAIRIE PROVINCES ON WEDNESDAY NIGHT TO NORTHERN
ONTARIO BY THURSDAY NIGHT...STEERING A COLD FRONT ACROSS THE LAKE
SOMETIME THURSDAY NIGHT OR FRIDAY.


LMZ261-362-364-366-563-565-567-868-311515-
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-
243 AM CDT SUN JUL 31 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST BY LATE
MORNING. WAVES 1 TO 3 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST 5 TO 10 KT
AFTER MIDNIGHT...AND THEN SOUTHEAST LATE. WAVES 1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING VARIABLE EARLY IN
THE AFTERNOON. WAVES 1 FT OR LESS.
.MONDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH AFTER
MIDNIGHT. WAVES AROUND 1 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES SUBSIDING TO 1
TO 3 FT.
.WEDNESDAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15
KT WEDNESDAY NIGHT. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES
BUILDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-311515-
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-
243 AM CDT SUN JUL 31 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST EARLY THIS
MORNING...AND THEN NORTH EARLY THIS AFTERNOON. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
.TONIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST 5 TO 10 KT
AFTER MIDNIGHT. WAVES 1 TO 3 FT.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING VARIABLE EARLY IN
THE AFTERNOON. WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15
KT. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-311515-
MAFOR 3109/
MICHIGAN NORTH 12210 14110 11110 11200. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11210 12110 14810 11110. WAVES 2 TO 4 FT THIS
MORNING SUBSIDING TO 1 TO 3 FT.

$$

MTF



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