Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 261352
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
852 AM CDT SUN OCT 26 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 29.3 INCHES OVER MAINE WILL SHIFT
OVER THE CANADIAN MARITIMES EARLY MONDAY. A SURFACE RIDGE
AVERAGING 30.1 INCHES WILL MOVE ACROSS LAKE MICHIGAN THIS
MORNING...AND THEN CONTINUE TO SLIDE OVER THE EASTERN OHIO
VALLEY THIS EVENING. BROAD LOW PRESSURE OF AROUND 29.5 INCHES WILL
MOVE ACROSS THE CENTRAL AND NORTHERN PLAINS INTO MONDAY AND REACH
THE UPPER GREAT LAKES MONDAY NIGHT. THE LOW WILL DEEPEN TO 29.4
INCHES WHILE CONSOLIDATING ACROSS CENTRAL AND SOUTHERN ONTARIO
TUESDAY. THE LOW WILL THEN TRACK NEAR OR ACROSS SOUTHERN JAMES BAY
TUESDAY NIGHT WHILE CONTINUING TO DEEPEN. THE LOW WILL DRAG A
SERIES OF COLD FRONTAL BOUNDARIES ACROSS LAKE MICHIGAN MONDAY
NIGHT AND TUESDAY. HIGH PRESSURE IS THEN EXPECTED TO SPREAD SOUTH
OF THE REGION WEDNESDAY WITH A RIDGE AXIS CROSSING THE LAKE.

LMZ261-362-364-366-563-565-567-868-262215-
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-
852 AM CDT SUN OCT 26 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT LATE. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2
TO 4 FT THIS AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT
OVERNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS
OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT OVERNIGHT.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH LATE.
SHOWERS LIKELY WITH SLIGHT CHANCE OF THUNDERSTORMS IN THE
MORNING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10
FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT AFTER MIDNIGHT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING...THEN SHOWERS LIKELY WITH SLIGHT
CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES SUBSIDING TO 2 TO 4 FT
OVERNIGHT.
.TUESDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 2 TO
4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT IN THE AFTERNOON.
.TUESDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT. SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8
FT SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.THURSDAY...WEST WINDS 5 TO 10 KT BECOMING NORTHWEST 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-262215-
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-
852 AM CDT SUN OCT 26 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING VARIABLE
EARLY THIS AFTERNOON...THEN BACKING TO SOUTH LATE. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 1 TO 3
FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.MONDAY...SOUTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT OVERNIGHT.
.TUESDAY...WEST WINDS 15 TO 25 KT INCREASING TO 30 KT. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING...THEN
SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.TUESDAY NIGHT...WEST WINDS 30 KT BECOMING NORTHWEST 20 TO 25 KT
AFTER MIDNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
15 KT IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...SOUTHWEST WINDS AROUND 10 KT. CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.

$$
LMZ761-262215-
MAFOR 2615/
MICHIGAN NORTH 11720 11610 11510 11310 11320 11330 12336. CHANCE
OF SHOWERS LATE THIS EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 2 TO 4 FT THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING
TO 4 TO 6 FT OCCASIONALLY TO 8 FT TONIGHT. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT MONDAY MORNING.

MICHIGAN SOUTH 11710 11910 11410 12320 11330 11336 11440. CHANCE
OF SHOWERS TONIGHT AND MONDAY MORNING. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT THIS AFTERNOON.
WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
TONIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT MONDAY MORNING.

$$

JEE





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