Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 020759
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
259 AM CDT SUN AUG 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...A 29.2 INCH LOW OVER HUDSON BAY WILL REMAIN
STATIONARY THROUGH SUNDAY AS IT SLOWLY WEAKENS TO 29.5 INCHES.
MEANWHILE...HIGH PRESSURE AVERAGING 30.0 INCHES EXTENDS FROM THE
CENTRAL PLAINS THROUGH THE OHIO VALLEY. THE HIGH WILL SLOWLY
SHIFT EAST WHILE A TROUGH AVERAGING 29.5 INCHES ASSOCIATED WITH A
COLD FRONT CROSSES THE LAKE THIS AFTERNOON AND TONIGHT. A 30.0
INCH HIGH WILL THEN SPREAD OVER THE WESTERN GREAT LAKES MONDAY
EVENING AND SHIFT EAST OF THE LAKE MID NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-021515-
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-
259 AM CDT SUN AUG 2 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 20 TO 25 KT
DURING THE MORNING. A FEW GUSTS TO 30 KT POSSIBLE. CHANCE OF
SHOWERS AND THUNDERSTORMS THIS MORNING...THEN SHOWERS AND
THUNDERSTORMS LIKELY THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4
TO 6 FT OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING... THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 2 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
1 TO 2 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...NORTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES BUILDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-021515-
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-
259 AM CDT SUN AUG 2 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT.
.TONIGHT...SOUTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT
LATE IN THE EVENING...THEN BECOMING NORTHWEST 10 TO 20 KT
OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY IN THE EVENING...THEN
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. WAVES 2 TO
4 FT.
.MONDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH. WAVES 1 TO
2 FT.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES
1 FT OR LESS.
.WEDNESDAY...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 1 TO
2 FT.
.THURSDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 15 TO
25 KT. CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ761-021515-
MAFOR 0209/
MICHIGAN NORTH 12530 13539 11730 12720. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2
TO 4 FT TONIGHT.

MICHIGAN SOUTH 11520 11530 13540 11549 11639 11720. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT TODAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 2 TO 4 FT TONIGHT.

$$


KJB


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