Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280148
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
848 PM CDT SAT SEP 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 30.2 INCHES OVER THE EASTERN
LAKES WILL REMAIN NEARLY STATIONARY THROUGH MONDAY MORNING SLOWLY
WEAKENING TO 30.0 INCHES. LOW PRESSURE OF 29.6 INCHES OVER HUDSON
BAY WILL MOVE ACROSS NORTHERN QUEBEC TONIGHT. A TRAILING COLD
FRONT WILL MOVE SOUTH TO LAKE SUPERIOR SUNDAY. HIGH PRESSURE OF
30.5 INCHES WILL BUILD ACROSS MANITOBA SUNDAY AND THEN ACROSS
ONTARIO SUNDAY NIGHT INTO MONDAY. THIS HIGH WILL PUSH THE COLD
FRONT SOUTH ACROSS LAKE MICHIGAN ON MONDAY. THE HIGH WILL WEAKEN
AS IT MOVES EAST MONDAY AND MONDAY NIGHT...WITH WEAK RIDGING
REMAINING ACROSS THE LAKES TUESDAY. LOW PRESSURE OF 29.3 INCHES
WILL DEVELOP OVER THE DAKOTAS MONDAY NIGHT AND MOVE NORTH TO
HUDSON BAY WEDNESDAY NIGHT INTO THURSDAY. ANOTHER STRONG LOW IS
EXPECTED TO DEVELOP OVER THE WESTERN LAKES REGION THURSDAY NIGHT
AND MOVE NORTH TO JAMES BAY FRIDAY NIGHT INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-280945-
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-
848 PM CDT SAT SEP 27 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 5 TO 10 KT. PATCHY FOG OVERNIGHT.
WAVES 1 FT OR LESS.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KT. PATCHY FOG THROUGH MID
MORNING. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...SOUTHWEST WINDS AROUND 10 KT BECOMING WEST LATE.
CHANCE OF SHOWERS OVERNIGHT. WAVES 1 TO 2 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT.
.MONDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SHOWERS IN THE EVENING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES
2 TO 4 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280945-
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-
848 PM CDT SAT SEP 27 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING LIGHT AND VARIABLE.
PATCHY FOG OVERNIGHT. WAVES 1 FT OR LESS.
.SUNDAY...LIGHT AND VARIABLE WINDS BECOMING NORTHEAST 5 TO 10 KT.
PATCHY FOG THROUGH MID MORNING. WAVES 1 FT OR LESS.
.SUNDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING WEST. WAVES 1
FT OR LESS.
.MONDAY...WEST WINDS 5 TO 10 KT BECOMING NORTH 15 TO 20 KT IN
THE AFTERNOON. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES BUILDING
TO 1 TO 3 FT.
.MONDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
SLIGHT CHANCE OF SHOWERS IN THE MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES
2 TO 4 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$
LMZ761-280945-
MAFOR 2803/
MICHIGAN NORTH 16500. PATCHY FOG OVERNIGHT INTO SUNDAY MORNING.
WAVES 1 FT OR LESS.

MICHIGAN SOUTH 11100 14900 12100 11900. PATCHY FOG OVERNIGHT AND
SUNDAY MORNING. WAVES 1 FT OR LESS.

$$

IZZI




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