Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 300748
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 AM CDT SAT AUG 30 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...LOW PRESSURE OF 29.7 INCHES OVER THE UPPER MISSISSIPPI
VALLEY WILL TRACK NORTHEAST ACROSS NORTHERN LAKE MICHIGAN SATURDAY
AFTERNOON..THE LOW WILL CONTINUE INTO SRN ONTARIO SATURDAY NIGHT
WHILE DRAGGING A WEAK COLD FRONT ACROSS THE LAKE.  WEAK HIGH
PRESSURE WILL BUILD ACROSS THE LAKE SUNDAY MORNING...BUT DEVELOPING
LOW PRESSURE OF 29.5 INCHES OVER THE DAKOTAS WILL LIFT INTO
WESTERN ONTARIO SUNDAY NIGHT AS A TRAILING COLD FRONT EXTENDS BACK
INTO THE CENTRAL PLAINS. THIS LOW WILL CONTINUE NORTHEAST TO NEAR
JAMES BAY MONDAY NIGHT WHILE DRAGGING ANOTHER COLD FRONT ACROSS
THE LAKE. A WEAK RIDGE OF HIGH PRESSURE OF 30.0 INCHES WILL BUILD
IN BEHIND THE FRONT TUESDAY NIGHT AND WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-301530-
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-
248 AM CDT SAT AUG 30 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHWEST WINDS 15 TO 25 KT. SHOWERS AND SCATTERED
THUNDERSTORMS THIS MORNING...THEN SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS THROUGH EARLY EVENING...THEN CHANCE OF SHOWERS FROM
LATE EVENING ON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING 2
TO 4 FT.
.SUNDAY...NORTH WINDS 5 TO 10 KT BACKING TO SOUTH. WAVES 1 TO
2 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 15 TO
20 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT OVERNIGHT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-301530-
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-
248 AM CDT SAT AUG 30 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTH WINDS 15 TO 25 KT VEERING SOUTHWEST. SHOWERS LIKELY
WITH ISOLATED THUNDERSTORMS THROUGH MID MORNING...THEN SCATTERED
THUNDERSTORMS WITH A CHANCE OF SHOWERS LATE THIS MORNING. CHANCE
OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH EARLY EVENING...THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE EVENING.
WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 15 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 2 FT.

$$

LMZ761-301530-
MAFOR 3009/
MICHIGAN NORTH 13536 12539 13720. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT TODAY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2
TO 4 FT TONIGHT.

MICHIGAN SOUTH 12436 13530 12520 11610. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES 2
TO 4 FT TONIGHT.

$$

KREIN




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