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000
FZUS63 KLOT 120749
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 AM CDT SUN MAY 12 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.5 INCHES NORTH OF LAKE HURON WILL
DEEPEN TO 29.2 INCHES AS IT MOVES SLOWLY NORTHEAST ACROSS QUEBEC
THROUGH MONDAY. HIGH PRESSURE OF 30.3 INCHES EXTENDING FROM
WINNIPEG SOUTH TO THE SOUTHERN PLAINS WILL MOVE EAST REACHING THE
WESTERN LAKES SOUTH TO LOUISIANA BY MONDAY. THIS HIGH WILL CONTINUE
MOVING EAST AND STRETCH FROM THE MID ATLANTIC TO THE GULF COAST BY
TUESDAY. MEANWHILE...LOW PRESSURE OF 29.2 INCHES WILL DEVELOP OVER
THE SOUTHERN SASKATCHEWAN AND WINNIPEG MONDAY NIGHT INTO TUESDAY.
THIS LOW WILL TRACK EAST TO JAMES BAY BY WEDNESDAY NIGHT WITH A
WEAK TRAILING COLD FRONT MOVING ACROSS THE LAKE BY WEDNESDAY
NIGHT.

//

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.


LMZ261-362-364-563-121545-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
249 AM CDT SUN MAY 12 2013

STURGEON BAY WI TO POINT BETSIE MI NORTH

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...

.TODAY...NORTHWEST GALES TO 40 KT EARLY THIS MORNING DIMINISHING
TO 30 KT LATE. RAIN OR SNOW SHOWERS THIS MORNING...THEN RAIN
SHOWERS THIS AFTERNOON. WAVES 7 TO 10 FT OCCASIONALLY TO 14 FT.
.TONIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 15 KT
OVERNIGHT. WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 9 FT
OVERNIGHT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT.
WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KT.
CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO
5 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 2 FT OR LESS.

$$

LMZ366-565-567-669-671-673-868-870-872-874-121545-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 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 PENTWATER TO MANISTEE MI 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-
249 AM CDT SUN MAY 12 2013

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO WIND POINT WI TO
HOLLAND MI

...GALE WARNING IN EFFECT UNTIL 9 AM CDT THIS MORNING...

.TODAY...NORTHWEST GALES TO 35 KT DIMINISHING TO 30 KT THIS
MORNING...THEN TO 10 TO 20 KT THIS AFTERNOON. ISOLATED SHOWERS.
WAVES 7 TO 10 FT OCCASIONALLY TO 14 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 10 FT LATE.
.TONIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES
SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT LATE.
.MONDAY...WEST WINDS 10 TO 15 KT BACKING TO SOUTH 10 TO 20 KT.
WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT LATE.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 8 FT.
.TUESDAY THROUGH WEDNESDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT
OCCASIONALLY TO 8 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR
LESS.

$$

LMZ080-675-777-779-876-878-121545-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
249 AM CDT SUN MAY 12 2013

WIND POINT WI TO HOLLAND MI SOUTH

.TODAY...NORTHWEST WINDS TO 30 KT BECOMING NORTH 10 TO 15 KT THIS
AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 8 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING WEST. WAVES SUBSIDING
TO 2 TO 4 FT OCCASIONALLY TO 6 FT.
.MONDAY...WEST WINDS 5 TO 10 KT BACKING TO SOUTH 10 TO 15 KT.
WAVES 1 TO 2 FT.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 FT OR LESS.

$$

LMZ761-121545-
MAFOR 1209/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
12757 19767 12757 12740 11730 11720. WAVES 7 TO 10 FT OCCASIONALLY
TO 14 FT TODAY SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 9 FT TONIGHT.

MICHIGAN CENTRAL...GALE WARNING IN EFFECT...
12750 11740 12720 12710 11610. ISOLATED SHOWERS TODAY. WAVES 7 TO 10
FT OCCASIONALLY TO 14 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 10
FT TODAY...THEN SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT TONIGHT.

MICHIGAN SOUTH 12740 11730 12810 19110 11900 12600. WAVES 6 TO 9
FT OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8
FT TODAY...THEN SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT
TONIGHT.

$$

IZZI