Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 300149
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CDT MON SEP 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...A COLD FRONT WILL CONTINUE MOVING SOUTH OF LAKE
MICHIGAN TONIGHT...AS HIGH PRESSURE OF 30.3 INCHES OVER ONTARIO
SLOWLY MOVES EAST TO QUEBEC TUESDAY NIGHT. A WEAKER RIDGE WILL
EXTEND SOUTH ACROSS THE LAKES REGION TUESDAY INTO TUESDAY NIGHT.
LOW PRESSURE OF 29.8 INCHES OVER NORTHEAST COLORADO TONIGHT WILL
DEEPEN TO 29.3 INCHES AS IT MOVES ACROSS THE DAKOTAS TUESDAY.
THIS LOW WILL CONTINUE NORTH ACROSS MANITOBA WEDNESDAY. ANOTHER
LOW WILL DEVELOP OVER THE SOUTHERN PLAINS THURSDAY AND MOVE
NORTHEAST TO THE WESTERN LAKES REGION THURSDAY NIGHT...WHEN IT
WILL BEGIN TO DEEPEN. THE LOW WILL CONTINUE NORTH ACROSS ONTARIO
ON FRIDAY AS A SHARP COLD FRONT MOVES ACROSS THE LAKE.

LMZ261-362-364-366-563-565-567-868-300800-
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 CDT MON SEP 29 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 15 TO 25
KT OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO 20
KT IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT
OVERNIGHT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS 15 TO 25 KT. SHOWERS LIKELY. WAVES 2 TO 4 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT IN THE AFTERNOON.
.SATURDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-300800-
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 CDT MON SEP 29 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTH WINDS TO 30 KT. CHANCE OF SHOWERS THIS
EVENING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT IN
THE AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO
4 TO 6 FT OCCASIONALLY TO 8 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTHEAST
5 TO 10 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2
TO 4 FT OVERNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE
OF THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT. SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST 10 TO
20 KT. SHOWERS LIKELY WITH SLIGHT CHANCE OF THUNDERSTORMS. WAVES
2 TO 4 FT.
.FRIDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.SATURDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.

$$
LMZ761-300800-
MAFOR 3003/
MICHIGAN NORTH 11840 14830 12120 11110. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT TONIGHT SUBSIDING TO 3 TO 5 FT OCCASIONALLY
TO 7 FT TUESDAY.

MICHIGAN SOUTH 12840 13830 12820 11110. CHANCE OF SHOWERS THIS
EVENING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT SUBSIDING
TO 5 TO 8 FT OCCASIONALLY TO 10 FT TUESDAY MORNING AND TO 4 TO 6
FT OCCASIONALLY TO 8 FT TUESDAY AFTERNOON.

$$




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