000
FZUS63 KLOT 121948
GLFLM

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

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.4 INCHES OVER SOUTHWEST QUEBEC
WILL DEEPEN FURTHER TO 29.2 INCHES AS IT MOVES SLOWLY NORTHEAST
ACROSS QUEBEC THROUGH MONDAY. HIGH PRESSURE OF 30.2 INCHES
EXTENDING FROM WESTERN ONTARIO WILL MOVE SOUTHEAST ACROSS THE
OHIO VALLEY TONIGHT AND THEN MOVE EAST AND STRETCH FROM THE MID
ATLANTIC TO THE GULF COAST BY TUESDAY. MEANWHILE...LOW PRESSURE OF
29.2 INCHES WILL DEVELOP OVER 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.


LMZ261-362-364-366-563-565-567-868-130200-
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-
248 PM CDT SUN MAY 12 2013

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT
BY MIDNIGHT...THEN BECOMING WEST 10 TO 15 KT OVERNIGHT. WAVES
6 TO 9 FT OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO 6 FT
OCCASIONALLY TO 9 FT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT IN
THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS IN
THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT
OCCASIONALLY TO 8 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHEAST WINDS AROUND 10 KT BECOMING NORTHEAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-130200-
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-
248 PM CDT SUN MAY 12 2013

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTH WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT.
WAVES 3 TO 6 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT
OCCASIONALLY TO 6 FT.
.MONDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY
TO 8 FT.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT
OCCASIONALLY TO 8 FT.
.WEDNESDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS AROUND 10 KT BECOMING SOUTH. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS AROUND 10 KT BECOMING NORTHEAST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ761-130200-
MAFOR 1221/
MICHIGAN NORTH 12740 11730 11720 12610 11510 11420. WAVES 6 TO
9 FT OCCASIONALLY TO 13 FT SUBSIDING TO 3 TO 6 FT OCCASIONALLY
TO 9 FT TONIGHT AND TO 1 TO 3 FT MONDAY AFTERNOON.

MICHIGAN SOUTH 12810 14600 11510 11420. WAVES 3 TO 6 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6
FT TONIGHT. WAVES 1 TO 3 FT MONDAY.

$$