Great Lakes Forecast
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FZUS63 KLOT 190731
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
231 AM CDT SUN OCT 19 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 ILLINOIS WILL MOVE
EAST TO THE MID ATLANTIC STATES TONIGHT. MEANWHILE...LOW PRESSURE
OF 29.6 INCHES OVER NORTHERN SASKATCHEWAN WILL MOVE QUICKLY
SOUTHEAST INTO THE UPPER GREAT LAKES REGION TONIGHT...THEN SLOW
DOWN AND MOVE SLOWLY EASTWARD AND OFF THE MID ATLANTIC COAST BY
TUESDAY EVENING. WEAK HIGH PRESSURE OF 30.1 INCHES TRAILING THIS
LOW OVER MANITOBA MONDAY MORNING WILL SLOWLY STRENGTHEN TO 30.4
INCHES AS IT MOVES EAST ACROSS ONTARIO AND INTO QUEBEC BY TUESDAY
NIGHT. A RIDGE AXIS AVERAGING 30.3 INCHES WILL EXTEND SOUTHWEST
FROM THIS HIGH ACROSS THE WESTERN GREAT LAKES TUESDAY THROUGH MUCH
OF THE REMAINDER OF THE WORK WEEK.

LMZ261-362-364-366-563-565-567-868-191530-
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-
231 AM CDT SUN OCT 19 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTHWEST WINDS 5 TO 10 KT EARLY THIS MORNING BACKING
TO SOUTHWEST WINDS 10 TO 20 KT THIS MORNING...THEN INCREASING TO
30 KT THIS AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE
LATE THIS AFTERNOON. CHANCE OF SHOWERS THIS AFTERNOON. WAVES 1 TO
2 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT THIS AFTERNOON.
.TONIGHT...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT...
THEN BECOMING WEST 10 TO 20 KT AFTER MIDNIGHT. CHANCE OF SHOWERS
IN THE EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT
FROM LATE MORNING ON. CHANCE OF SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.MONDAY NIGHT AND TUESDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 10 TO
15 KT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING
TO 2 TO 4 FT OVERNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191530-
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-
231 AM CDT SUN OCT 19 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST EARLY THIS
MORNING AND GRADUALLY INCREASING TO 30 KT BY AFTERNOON. WAVES 2
TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS
AFTERNOON.
.TONIGHT...SOUTHWEST WINDS TO 30 KT. A FEW GALES FORCE GUSTS TO 35
KT POSSIBLE THIS EVENING. WINDS BECOMING WEST 15 TO 25 KT TOWARD
MORNING. CHANCE OF SHOWERS...MAINLY IN THE EVENING. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY NIGHT AND TUESDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF
SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.TUESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
15 KT OVERNIGHT. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT.
.WEDNESDAY...EAST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ761-191515-
MAFOR 1909/
MICHIGAN NORTH 10700 11510 11520 11530 11540 11540 19550 11540
11530 11620. WAVES 1 TO 2 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT THIS AFTERNOON...THEN WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
TONIGHT.

MICHIGAN SOUTH 11610 19900 11510 11520 11530 11540 12540 19550
11540. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
THIS AFTERNOON...THEN BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
TONIGHT.

$$

IZZI



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