Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 021950
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CDT THU JUL 2 2015

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 CENTERED OVER
NORTHERN LAKE MICHIGAN WILL SPLIT WITH ONE PORTION MOVING EAST TO
THE EAST COAST AND ONE TO THE SOUTHWEST OF THE LAKE FRIDAY. A WEAK
COOL FRONT WILL DROP SOUTHWARD TO CENTRAL LAKE MICHIGAN SATURDAY
MORNING BUT THEN WASH OUT AS THE HIGH TO THE SOUTHWEST OF THE LAKE
MERGES WITH ANOTHER HIGH APPROACHING FROM THE NORTHWEST. THIS HIGH
WILL STRENGTHEN TO 30.1 INCHES OVER THE WESTERN GREAT LAKES BY
SUNDAY MORNING THEN SHIFT TO THE EAST SUNDAY NIGHT. A SERIES OF
STRONG LOW PRESSURE SYSTEMS WILL MOVE ACROSS HUDSON BAY EARLY NEXT
WEEK PUSHING A COLD FRONT INTO THE WESTERN GREAT LAKES MONDAY AND
MONDAY NIGHT. HIGH PRESSURE WILL THEN GRADUALLY BUILD ACROSS LAKE
MICHIGAN FOLLOWING THE FRONTAL PASSAGE INTO MID WEEK.

LMZ261-362-364-366-563-565-030330-
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-
250 PM CDT THU JUL 2 2015

TWO RIVERS WI TO MANISTEE MI NORTH

.TONIGHT...VARIABLE WINDS 5 TO 10 KT BACKING TO SOUTHWEST. WAVES
1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT.
WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTHWEST
5 TO 10 KT LATE. CHANCE OF SHOWERS IN THE EVENING. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY...VARIABLE WINDS LESS THAN 10 KT. WAVES 1 TO 2 FT.
.SATURDAY NIGHT...SOUTH WINDS LESS THAN 10 KT. WAVES 1 FT OR
LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. WAVES
1 TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.TUESDAY...NORTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.


$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-030330-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
250 PM CDT THU JUL 2 2015

TWO RIVERS WI TO MANISTEE MI SOUTH

.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST LATE THIS
EVENING...THEN BECOMING EAST 5 TO 10 KT OVERNIGHT. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 3 FT.
.FRIDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING ONSHORE. WAVES 1 TO
2 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
WAVES 1 TO 2 FT.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
2 FT.
.SATURDAY NIGHT...SOUTH WINDS 5 TO 10 KT DIMINISHING TO LESS THAN
10 KT. WAVES 1 FT OR LESS.
.SUNDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT. WAVES
1 TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.TUESDAY...WEST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ761-030330-
MAFOR 0221/
MICHIGAN NORTH 13900 12500 11510 12520. WAVES 1 TO 2 FT BUILDING
TO 2 TO 4 FT FRIDAY.

MICHIGAN SOUTH 12820 11120 11110 11200 12310 11900. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 2 FT FRIDAY.

$$

MDB



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