Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 290756
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 AM CDT WED OCT 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...LOW PRESSURE OF 29.2 INCHES OVER JAMES BAY WILL
CONTINUE TO MOVE NORTHEAST TO NORTHERN QUEBEC THIS EVENING...WHILE
A RIDGE OF HIGH PRESSURE AVERAGING 30.1 INCHES BUILDS EAST ACROSS
THE CENTRAL PLAINS TOWARDS THE MID MISSISSIPPI VALLEY. THE HIGH
WILL THEN SHIFT EAST TOWARDS THE TENNESSEE AND OHIO VALLEYS
OVERNIGHT WHILE A WEAK TROUGH OF LOW PRESSURE OF 29.9 INCHES
DROPS SOUTHEAST THROUGH THE PLAINS AND EVENTUALLY THE MID
MISSISSIPPI VALLEY ON THURSDAY. NEW LOW PRESSURE OF 29.9 INCHES
WILL THEN QUICKLY MOVE SOUTHEAST THROUGH THE CENTRAL GREAT LAKES
THURSDAY NIGHT INTO FRIDAY...BEFORE STRONG HIGH PRESSURE OF 30.6
INCHES QUICKLY BUILDS IN BEHIND THIS SYSTEM.

LMZ261-362-364-366-563-565-567-868-291530-
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-
256 AM CDT WED OCT 29 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT FROM LATE THURSDAY NIGHT THROUGH FRIDAY
EVENING...

.TODAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT THIS
AFTERNOON. CHANCE OF SHOWERS THIS MORNING. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
THIS AFTERNOON.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO 15 KT
OVERNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING... THEN CHANCE
OF SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTH TO 30 KT
OVERNIGHT. CHANCE OF SHOWERS. WAVES 1 TO 3 FT BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT OVERNIGHT.
.FRIDAY...NORTH GALES TO 40 KT. OCCASIONAL GALE FORCE GUSTS TO 45
KT. CHANCE OF RAIN AND SNOW SHOWERS. WAVES BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT.
.FRIDAY NIGHT...NORTH GALES TO 35 KT DIMINISHING TO WINDS TO 30
KT LATE IN THE EVENING. THEN DIMINISHING TO 15 TO 25 KT OVERNIGHT.
SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. WAVES 8 TO 12 FT
OCCASIONALLY TO 15 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT OVERNIGHT.
.SATURDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT IN
THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
2 TO 4 FT IN THE AFTERNOON.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH TO 30 KT IN
THE AFTERNOON. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT IN
THE AFTERNOON.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291530-
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-
256 AM CDT WED OCT 29 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT FROM FRIDAY MORNING THROUGH LATE FRIDAY
NIGHT...

.TODAY...WEST WINDS TO 30 KT BECOMING NORTHWEST LATE THIS
MORNING...THEN DIMINISHING TO 15 TO 25 KT THIS AFTERNOON. SLIGHT
CHANCE OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 5 TO 10 KT.
WAVES SUBSIDING TO 2 TO 4 FT.
.THURSDAY...WEST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST 15 TO
25 KT OVERNIGHT. CHANCE OF SHOWERS. WAVES 1 TO 3 FT BUILDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT OVERNIGHT.
.FRIDAY...NORTH GALES 35 KT INCREASING TO 45 KT BY EARLY AFTERNOON.
CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF RAIN AND SNOW
SHOWERS IN THE AFTERNOON. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT
BUILDING TO 14 TO 18 FT OCCASIONALLY TO 24 FT IN THE AFTERNOON.
.FRIDAY NIGHT...NORTH GALES TO 40 KT DIMINISHING TO 30 KT
OVERNIGHT. CHANCE OF RAIN AND SNOW SHOWERS. WAVES 12 TO 16 FT
OCCASIONALLY TO 20 FT SUBSIDING TO 8 TO 11 FT OCCASIONALLY TO
14 FT OVERNIGHT.
.SATURDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO
15 KT IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 3TO 5 FT OCCASIONALLY TO 7 FT IN THE AFTERNOON.
.SUNDAY...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT IN THE
AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT IN THE AFTERNOON.

$$

LMZ761-291530-
MAFOR 2909/
MICHIGAN NORTH 12640 12630 12820 12710. CHANCE OF SHOWERS TODAY.
CHANCE OF RAIN SHOWERS TONIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TODAY. WAVES 2
TO 4 FT TONIGHT.

MICHIGAN SOUTH 11640 11740 12730 11730 11720 11710 11700. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT TODAY. WAVES SUBSIDING TO 2 TO 4 FT
TONIGHT.

$$

BEACHLER




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