Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280209
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
809 PM CST THU NOV 27 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 30.5 INCHES STRETCHED FROM LAKE
SUPERIOR TO THE GULF COAST THIS EVENING WILL MOVE OVER LAKE
MICHIGAN OVERNIGHT AND THEN EASTWARD FRIDAY MORNING. LOW PRESSURE
OF AROUND 29.5 INCHES WILL DEVELOP ACROSS THE NORTHERN ROCKIES AND
TRACK ACROSS LAKE SUPERIOR SATURDAY AFTERNOON AND DRAG A COLD
FRONT ACROSS LAKE MICHIGAN SATURDAY NIGHT. HIGH PRESSURE OF 30.8
INCHES WILL SPREAD ACROSS THE NORTHERN PLAINS SUNDAY NIGHT AND BE
SQUARELY ACROSS LAKE MICHIGAN BY MONDAY NIGHT. LOW PRESSURE IS
THEN EXPECTED TO TRACK WELL NORTH OF THE AREA BUT LEAD TO A PERIOD
OF STRONGER NORTHWESTERLY WINDS LATER SUNDAY INTO MONDAY FOLLOWING
THE PASSAGE OF A COLD FRONT.

LMZ261-362-364-366-563-565-567-868-281030-
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-
809 PM CST THU NOV 27 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT AFTER MIDNIGHT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT LATE.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25 KT
BY EARLY AFTERNOON. CHANCE OF SNOW IN THE MORNING...THEN SNOW IN
THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT
AFTER MIDNIGHT. SNOW IN THE EVENING...THEN CHANCE OF RAIN AND SNOW
OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF RAIN AND SNOW IN
THE MORNING...THEN CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT OVERNIGHT.
.MONDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...SOUTH WINDS TO 30 KT. CHANCE OF SNOW. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281030-
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-
809 PM CST THU NOV 27 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST
10 TO 15 KT AFTER MIDNIGHT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 8
FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 6 FT OCCASIONALLY TO 8
FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 20 KT BECOMING SOUTH BY LATE
MORNING AND INCREASING TO 30 KT BY EARLY AFTERNOON. CHANCE OF
SNOW. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.FRIDAY NIGHT...SOUTH WINDS TO 30 KT. CHANCE OF SNOW IN THE
EVENING...THEN SLIGHT CHANCE OF RAIN AND SNOW OVERNIGHT. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.SUNDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF RAIN
AND SNOW. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO
7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.MONDAY...NORTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY...SOUTH WINDS TO 30 KT. SLIGHT CHANCE OF SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT IN THE AFTERNOON.

$$
LMZ761-281030-
MAFOR 2804/
MICHIGAN NORTH 11720 12610 12520 13437. CHANCE OF SNOW TONIGHT AND
FRIDAY MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
2 TO 4 FT LATE TONIGHT. WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY
TO 8 FT DURING FRIDAY...FURTHER INCREASING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT FRIDAY EVENING.

MICHIGAN SOUTH 11720 12610 11520 11430 13440. CHANCE OF SNOW.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 6 FT
OCCASIONALLY TO 8 FT TONIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT FRIDAY...FURTHER BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT FRIDAY EVENING.

$$

MTF





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