Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 270249
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CST WED NOV 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 AT 30.1 INCHES OVER SOUTHERN ILLINOIS WILL
MOVE TO THE MID APPALACHIAN MOUNTAINS BY DAYBREAK THURSDAY
ALLOWING A COLD FRONT TO SURGE SOUTH ACROSS LAKE MICHIGAN
OVERNIGHT. OCCASIONAL GALE FORCE WIND GUSTS WILL DEVELOP FOR A
BRIEF PERIOD BEHIND THIS FRONT ACROSS THE LAKE THURSDAY. WINDS
WILL DIMINISH THURSDAY EVENING AS HIGH PRESSURE AT 30.5 INCHES
MOVES ACROSS THE LAKE OVERNIGHT. SOUTH WINDS WILL INTENSIFY
QUICKLY ON THE BACK SIDE OF THIS HIGH PRESSURE AREA FRIDAY. LOW
PRESSURE OF 29.5 INCHES OVER THE NORTHERN PLAINS EARLY SATURDAY
WILL MOVE TO THE U.P. OF MICHIGAN BY DAYBREAK SUNDAY. THIS LOW
WILL DRIVE ANOTHER COLD FRONT SOUTH ACROSS THE LAKE SUNDAY. HIGH
PRESSURE AT 30.7 INCHES WILL APPROACH THE AREA MONDAY.

LMZ261-362-364-366-563-565-567-868-271130-
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-
849 PM CST WED NOV 26 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KT INCREASING TO
20 TO 25 KT LATE. CHANCE OF SNOW THIS EVENING...THEN SNOW SHOWERS
LIKELY OVERNIGHT. WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT
OVERNIGHT.
.THURSDAY...NORTHWEST WINDS TO 30 KT WITH OCCASIONAL GALE FORCE
GUSTS TO 35 KT...SUBSIDING TO 15 TO 25 KT BY MID AFTERNOON. SNOW
SHOWERS IN THE MORNING...THEN CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT. CHANCE OF SNOW SHOWERS IN THE EVENING...THEN CHANCE OF
SNOW OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO
1 TO 3 FT OVERNIGHT.
.FRIDAY...SOUTH WINDS TO 30 KT. SNOW LIKELY IN THE MORNING...
THEN SNOW IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
15 KT OVERNIGHT. SNOW SHOWERS LIKELY. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.SATURDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN OR SNOW.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-271130-
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-
849 PM CST WED NOV 26 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...VARIABLE WINDS TO 10 KT BECOMING NORTHWEST 10
TO 20 KT OVERNIGHT. OCCASIONAL FLURRIES. WAVES 1 TO 3 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT WITH OCCASIONAL GALE FORCE
GUSTS TO 35 KT...SUBSIDING TO 15 TO 25 KT LATE. SNOW
SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 6 TO 9
FT OCCASIONALLY TO 11 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
15 KT OVERNIGHT. CHANCE OF SNOW SHOWERS IN THE EVENING... THEN
CHANCE OF SNOW OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 2 TO 4 FT OVERNIGHT.
.FRIDAY...SOUTH WINDS TO 30 KT. CHANCE OF SNOW. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT
IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. CHANCE OF RAIN OR SNOW SHOWERS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.SATURDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST TO 30 KT.
SLIGHT CHANCE OF RAIN. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTHWEST WINDS TO 30 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$
LMZ761-271130-
MAFOR 2704/
MICHIGAN NORTH 11717 11737 14747 11730 11720. OCCASIONAL
SNOW SHOWERS. WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT OVERNIGHT.
WAVES BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT THURSDAY THEN
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT EARLY THURSDAY
EVENING.

MICHIGAN SOUTH 10900 11717 11727 12737 12747 11730 11720.
OCCASIONAL SNOW SHOWERS. WAVES 1 TO 3 FT OVERNIGHT...BUILDING TO 4
TO 7 FT OCCASIONALLY TO 9 FT THURSDAY MORNING...AND TO 6 TO 9 FT
OCCASIONALLY TO 11 FT THURSDAY AFTERNOON.

$$

KMD





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