Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 311950
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CDT FRI JUL 31 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 29.1 INCH LOW IS OVER HUDSON BAY AND WILL REMAIN
STATIONARY THROUGH THE WEEKEND AS IT SLOWLY WEAKENS TO 29.5
INCHES. MEANWHILE...A 30.2 INCH HIGH IS CENTERED OVER THE NORTHERN
PLAINS BUT EXTENDS THROUGH THE OHIO VALLEY. THE HIGH WILL SLOWLY
SHIFT EAST WHILE A WEAK TROUGH AVERAGING 29.7 INCHES ASSOCIATED
WITH A COLD FRONT SWINGS OVER THE LAKE SUNDAY AFTERNOON AND NIGHT.
A 30.0 INCH HIGH THEN SPREADS OVER THE WESTERN GREAT LAKES MONDAY
EVENING AND SHIFTS EAST OF THE LAKE MID NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-010345-
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-
250 PM CDT FRI JUL 31 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING. WAVES 1 TO
3 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO
3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. CHANCE OF SHOWERS IN THE EVENING. WAVES 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-010345-
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-
250 PM CDT FRI JUL 31 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 2 TO 4
FT.
.SATURDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO
3 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN
CHANCE OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH 10 TO
15 KT. WAVES 1 TO 2 FT.
.TUESDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ761-010345-
MAFOR 3121/
MICHIGAN NORTH 10620 13720 13620 12610. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11720 19730 15620 11610. WAVES 2 TO 4 FT TONIGHT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT SATURDAY.

$$


JEE



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