Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 251956
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 PM CDT THU JUN 25 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 29.8 INCH LOW NEAR THE SOUTHERN TIP OF THE LAKE
WILL REACH THE ATLANTIC COAST BY FRIDAY MORNING. MEANWHILE A
BROAD 30.1 INCH HIGH OVER SOUTHERN CANADA WILL SPREAD OVER THE
PLAINS AND NORTHERN LAKES THROUGH THE END OF THE WEEK. A SECOND
LOW OF 29.8 INCHES WILL FORM OVER THE SOUTHERN PLAINS FRIDAY
MORNING AND DEEPEN TO 29.5 INCHES AS IT MOVES TO NORTHEASTERN
OHIO ON SATURDAY AFTERNOON. AS THE LOW CONTINUES NORTHEAST INTO
NEW ENGLAND...THE HIGH PRESSURE SYSTEM WILL BUILD DOWN OVER THE
LAKE. ANOTHER LOW IS EXPECTED TO IMPACT THE LAKE EARLY NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-260315-
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-
256 PM CDT THU JUN 25 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT AND
THEN BECOMING NORTHEAST 10 TO 15 KT. PATCHY FOG. WAVES 1 TO 3 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH. WAVES
1 TO 3 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTHWEST.
WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES
1 TO 2 FT.
.MONDAY...SOUTH WINDS 5 TO 10 KT BACKING TO NORTHEAST. CHANCE OF
SHOWERS. WAVES 1 TO 2 FT.
.TUESDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHWEST. WAVES 1 FT
OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-260315-
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-
256 PM CDT THU JUN 25 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT AND
THEN BECOMING NORTHEAST 5 TO 10 KT TOWARD DAYBREAK. WAVES 1 TO 3
FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO
10 KT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING
TO 1 TO 3 FT.
.SUNDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.TUESDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHWEST 10 TO 15 KT.
WAVES 1 TO 2 FT.

$$

LMZ761-260315-
MAFOR 2521/
MICHIGAN NORTH 10810 11820 11810 15110. PATCHY FOG TONIGHT. WAVES
1 TO 3 FEET.

MICHIGAN SOUTH 11810 11820 12810 11100 13110. WAVES 1 TO 3 FEET.

$$

RC


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