Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 250132
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
832 PM CDT FRI JUL 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...HIGH PRESSURE OF 30.0 INCHES CENTERED OVER THE OHIO
VALLEY WILL MOVE EAST THROUGH TONIGHT. LOW PRESSURE OF 29.5
INCHES ACROSS NORTH CENTRAL ONTARIO WILL MOVE SLOWLY TO JAMES BAY
BY SATURDAY MORNING. THIS WILL STEER A COLD FRONT DOWN THE LAKE
SATURDAY MORNING. HIGH PRESSURE OF 30.0 INCHES WILL BUILD BACK
OVER LAKE MICHIGAN SATURDAY NIGHT INTO THE DAY SUNDAY. A WARM
FRONT IS EXPECTED TO LIFT NORTHWARD OVER THE LAKE SOMETIME LATE IN
THE WEEKEND OR EARLY NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-250945-
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-
832 PM CDT FRI JUL 24 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTH WINDS 15 TO 20 KT BECOMING WEST 10 TO 20
KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5
FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST AROUND
10 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.
WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250945-
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-
832 PM CDT FRI JUL 24 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT
LATE IN THE MORNING...THEN BECOMING NORTH EARLY IN THE AFTERNOON.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES
SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KT VEERING TO SOUTHEAST.
WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-250945-
MAFOR 2503/
MICHIGAN NORTH 11420 11520 11620 12710 11610 12500. CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT SUBSIDING TO 2 TO 4 FT OVERNIGHT. WAVES SUBSIDING TO 1 TO
3 FT SATURDAY AND SATURDAY EVENING.

MICHIGAN SOUTH 11420 13520 11610 12810 11800. CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT OVERNIGHT...SUBSIDING
TO 1 TO 3 FT SATURDAY AND SATURDAY EVENING.

$$


KJB


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