Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 290804
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
304 AM CDT FRI AUG 29 2014

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 30.2 INCHES OVER THE EASTERN GREAT
LAKES WILL MOVE EAST OFF THE NEW ENGLAND COAST FRIDAY EVENING...
WHILE AN AREA OF LOW PRESSURE OF 29.8 INCHES DEVELOPS WITHIN A
WEAKER TROUGH ACROSS THE CENTRAL PLAINS AND UPPER MIDWEST. THE LOW
CENTER WILL MOVE TO WISCONSIN SATURDAY AND ACROSS NORTHERN LAKE
MICHIGAN SATURDAY EVENING. THE LOW WILL CONTINUE TO THE NORTHEAST
WHILE DRAGGING A TRAILING WEAK COLD FRONT DOWN THE LENGTH OF THE
LAKE SATURDAY NIGHT. WEAK HIGH PRESSURE RIDGING OF 29.9 INCHES
WILL SPREAD ACROSS THE LAKE IN THE WAKE OF THE LOW EARLY
SUNDAY...AS A DEEPER LOW OF 29.5 INCHES DEVELOPS OVER THE DAKOTAS
AND LIFTS THROUGH WESTERN ONTARIO SUNDAY NIGHT AND MONDAY WHILE
DEEPENING TO 29.1 INCHES. A COLD FRONT TRAILING FROM THIS LOW WILL
CONTINUE TO PUSH EAST ACROSS THE WESTERN LAKES ON MONDAY. WEAK
HIGH PRESSURE WILL THEN SPREAD ACROSS THE REGION MONDAY NIGHT AND
TUESDAY.

LMZ261-362-364-366-563-565-567-868-291545-
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-
304 AM CDT FRI AUG 29 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25 KT.
SHOWERS THIS MORNING...THEN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO 6
FT OCCASIONALLY TO 8 FT.
.TONIGHT...SOUTH WINDS 20 TO 25 KT. SHOWERS WITH A CHANCE OF
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KT BECOMING NORTHWEST LATE.
SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...THEN
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY...NORTH WINDS 10 TO 15 KT BACKING TO SOUTH. WAVES 2 TO
4 FT SUBSIDING TO 1 TO 2 FT LATE.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST TO 30 KT.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291545-
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-
304 AM CDT FRI AUG 29 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING 4
TO 6 FT OCCASIONALLY TO 8 FT.
.TONIGHT...SOUTH WINDS 20 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KT. SHOWERS AND
THUNDERSTORMS LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING TO SOUTH. WAVES 2 TO
4 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS TO 30 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT.

$$

LMZ761-291545-
MAFOR 2909/
MICHIGAN NORTH 11320 14436 13430. 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 TONIGHT AND SATURDAY MORNING.

MICHIGAN SOUTH 12320 15430. WAVES 2 TO 4 FT BUILDING 4 TO 6 FT
OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
TONIGHT AND SATURDAY MORNING.

$$

KREIN




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