Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 020150
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
850 PM CDT WED OCT 1 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 29.3 INCHES OVER MANITOBA WILL LIFT
NORTH TO NORTHERN HUDSON BAY WITH A COLD TRAILING SOUTH FROM THIS
LOW THROUGH THE PLAINS. A SECOND LOW OF 29.7 INCHES WILL DEVELOP
OVER THE SOUTHERN PLAINS TONIGHT. ON THURSDAY THIS LOW WILL MOVE
NORTHEAST TO THE UPPER GREAT LAKES DEEPENING TO 29.4 INCHES ALONG
THE WAY. THE LOW IS THEN FORECAST TO DEEPEN FURTHER 29.0 INCHES
AND DRIFT NORTH INTO ONTARIO FRIDAY AND REMAIN NEARLY THROUGH THE
WEEKEND.

LMZ261-362-364-366-563-565-567-868-020945-
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-
850 PM CDT WED OCT 1 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
SHOWERS LIKELY WITH SLIGHT CHANCE OF THUNDERSTORMS OVERNIGHT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SHOWERS AND
THUNDERSTORMS IN THE EVENING...THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST. A FEW GALE FORCE
GUSTS TO 35 KT POSSIBLE. SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.FRIDAY NIGHT...WEST WINDS TO 30 KT. SHOWERS LIKELY. WAVES
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...WEST WINDS TO 30 KT. SHOWERS LIKELY. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SUNDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.MONDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020945-
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-
850 PM CDT WED OCT 1 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
THEN BECOMING SOUTH LATE. SHOWERS LIKELY DEVELOPING WITH A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY LATE IN THE AFTERNOON. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST TO
30 KT. SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY...WEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35 KT
POSSIBLE. CHANCE OF SHOWERS IN THE MORNING...THEN SLIGHT CHANCE
OF SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.FRIDAY NIGHT...WEST GALES TO 35 KT DIMINISHING TO 30 KT OVERNIGHT.
SHOWERS LIKELY. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.SATURDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 6 TO 9
FT OCCASIONALLY TO 11 FT.
.SATURDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.SUNDAY...WEST WINDS TO 30 KT. SLIGHT CHANCE OF SHOWERS. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.MONDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.

$$
LMZ761-020945-
MAFOR 0203/
MICHIGAN NORTH 11310 12426 14420 11439. CHANCE OF SHOWERS AND
THUNDERSTORMS THURSDAY. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT LATE
TONIGHT AND CONTINUING THROUGH THURSDAY.

MICHIGAN SOUTH 11320 11336 11436 13420 11429 11439. CHANCE OF
SHOWERS AND THUNDERSTORMS THURSDAY. WAVES 2 TO 4 FT BUILDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT TONIGHT...THEN SUBSIDING A BIT TO 2
TO 4 FT THURSDAY.

$$

IZZI




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