Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 240718
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
218 AM CDT FRI APR 24 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...A BROAD AREA OF HIGH PRESSURE AVERAGING 30.1 INCHES
OVER THE WESTERN GREAT LAKES EARLY THIS MORNING WILL CONTINUE TO
DRIFT EAST ACROSS THE CENTRAL LAKES LATER TODAY...WHILE LOW
PRESSURE OF 29.4 INCHES DEVELOPS ACROSS THE CENTRAL PLAINS. THIS
LOW WILL MOVE TO THE LOWER OHIO VALLEY BY SATURDAY EVENING WHILE
FILLING A BIT TO 29.5 INCHES. HIGH PRESSURE AVERAGING 30.2 INCHES
WILL THEN MOVE SLOWLY OVER THE WESTERN LAKES DURING THE FIRST HALF
OF NEXT WEEK.

LMZ261-362-364-366-563-565-241530-
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-
218 AM CDT FRI APR 24 2015

TWO RIVERS WI TO MANISTEE MI NORTH

.TODAY...VARIABLE WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.TONIGHT...EAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES BUILDING TO 2 TO 4 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF RAIN IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.
.TUESDAY...NORTH WINDS AROUND 10 KT BECOMING NORTHWEST. WAVES 1
TO 3 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-241530-
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-
218 AM CDT FRI APR 24 2015

TWO RIVERS WI TO MANISTEE MI SOUTH

.TODAY...VARIABLE WINDS 5 TO 10 KT BECOMING EAST BY LATE
MORNING...THEN INCREASING TO 10 TO 15 KT THIS AFTERNOON. WAVES 1
TO 3 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 20 KT BECOMING EAST 15 TO 25 KT.
CHANCE OF RAIN OVERNIGHT. WAVES BUILDING TO 2 TO 4 FT.
.SATURDAY...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST TO 30 KT IN
THE AFTERNOON. RAIN LIKELY. WAVES BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...NORTH WINDS 15 TO 20 KT INCREASING TO 30 KT IN THE
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.
WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TUESDAY...NORTH WINDS 10 TO 15 KT. WAVES SUBSIDING TO 1 TO 3 FT.

$$

LMZ761-241530-
MAFOR 2410/
MICHIGAN NORTH 14900 11900 12210 11220. WAVES 1 TO 3 FT
TODAY...BUILDING TO 2 TO 4 FT TONIGHT.

MICHIGAN SOUTH 12900 11200 12210 11120 12230. CHANCE OF RAIN
TONIGHT. WAVES 1 TO 3 FT TODAY...BUILDING TO 2 TO 4 FT TONIGHT.

$$


KJB


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