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000
FZUS63 KLOT 111947
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CDT SAT MAY 11 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.6 INCHES NEAR LAKE HURON WILL
MOVE NORTHEAST ALONG THE QUEBEC ONTARIO BORDER TONIGHT AS IT
DEEPENS TO 29.4 INCHES. THIS LOW WILL THEN MERGE WITH ANOTHER LOW
OVER EASTERN QUEBEC SUNDAY NIGHT. HIGH PRESSURE OF 30.4 INCHES
OVER MANITOBA AND THE NORTHERN PLAINS WILL MOVE SOUTHEAST INTO THE
MISSISSIPPI VALLEY SUNDAY WEAKENING TO 30.1 INCHES. THE NORTHERN
EXTENT OF THIS RIDGE WILL MOVE EAST ACROSS THE WESTERN LAKES EARLY
NEXT WEEK AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE
NORTHERN PLAINS TUESDAY.

//

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.


LMZ261-362-364-563-120200-
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-
247 PM CDT SAT MAY 11 2013

STURGEON BAY WI TO POINT BETSIE MI NORTH

...GALE WARNING IN EFFECT FROM MIDNIGHT CDT TONIGHT THROUGH
SUNDAY AFTERNOON...

.TONIGHT...NORTHWEST WINDS TO 30 KT INCREASING TO GALES TO 45 KT
OVERNIGHT. CHANCE OF RAIN OR SNOW SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 9 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 16 FT.
.SUNDAY...NORTHWEST GALES TO 45 KT DIMINISHING TO 30 KT IN THE
AFTERNOON. CHANCE OF RAIN AND SNOW SHOWERS. WAVES 10 TO 14 FT
OCCASIONALLY TO 18 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 14
FT IN THE AFTERNOON.
.SUNDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20
KT OVERNIGHT. WAVES 7 TO 10 FT OCCASIONALLY TO 14 FT SUBSIDING TO
3 TO 6 FT OCCASIONALLY TO 9 FT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO 4 FT
OCCASIONALLY TO 6 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 20 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST AROUND 10
KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS AROUND 10 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 2 FT.

$$

LMZ366-565-567-669-671-673-868-870-872-874-120200-
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-
247 PM CDT SAT MAY 11 2013

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

...GALE WARNING IN EFFECT FROM MIDNIGHT CDT TONIGHT THROUGH
SUNDAY MORNING...

.TONIGHT...NORTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT THIS
EVENING AND TO GALES TO 35 KT OVERNIGHT. SLIGHT CHANCE OF RAIN
OR SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 9 FT BUILDING TO
8 TO 12 FT OCCASIONALLY TO 16 FT OVERNIGHT.
.SUNDAY...NORTHWEST GALES TO 35 KT DIMINISHING TO 30 KT IN THE
MORNING...THEN BECOMING NORTH 10 TO 15 KT IN THE AFTERNOON.
WAVES 8 TO 12 FT OCCASIONALLY TO 16 FT SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT BACKING WEST. WAVES
SUBSIDING TO 1 TO 3 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 8 FT.
.TUESDAY AND TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 8 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS AROUND 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-675-777-779-876-878-120200-
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-
247 PM CDT SAT MAY 11 2013

WIND POINT WI TO HOLLAND MI SOUTH

.TONIGHT...NORTHWEST WINDS 20 TO 25 KT INCREASING TO 30 KT.
A FEW GALE FORCE GUSTS TO 35 KT POSSIBLE AFTER MIDNIGHT. WAVES 4
TO 6 FT OCCASIONALLY TO 9 FT BUILDING TO 7 TO 10 FT OCCASIONALLY
TO 14 FT.
.SUNDAY...NORTHWEST WINDS TO 30 KT WITH A FEW GALE FORCE GUSTS
TO 35 KT EARLY IN THE MORNING. WINDS BECOMING NORTH AND QUICKLY
DIMINISHING TO AROUND 10 KT IN THE AFTERNOON. WAVES 7 TO 10 FT
OCCASIONALLY TO 14 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8
FT BY EVENING.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 5 TO
10 KT. WAVES SUBSIDING TO 1 TO 3 FT.
.MONDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTHEAST 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 AND TUESDAY NIGHT...SOUTH WINDS 15 TO 25 KT. WAVES 2 TO
4 FT OCCASIONALLY TO 6 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.THURSDAY...SOUTHWEST WINDS AROUND 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ761-120200-
MAFOR 1121/
MICHIGAN NORTH...GALE WARNING IN EFFECT...13740 11750 12760 11750
11740 19820. CHANCE OF RAIN OR SNOW SHOWERS TONIGHT AND SUNDAY
MORNING. WAVES 4 TO 6 FT OCCASIONALLY TO 9 FT BUILDING TO 8 TO 12
FT OCCASIONALLY TO 16 FT OVERNIGHT. WAVES 10 TO 14 FT OCCASIONALLY
TO 18 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 14 FT IN THE
AFTERNOON.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...12730 12740 12740 19750
11730 11820. WAVES 4 TO 6 FT OCCASIONALLY TO 9 FT BUILDING TO 8 TO
12 FT OCCASIONALLY TO 16 FT TONIGHT. WAVES 8 TO 12 FT OCCASIONALLY
TO 16 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT SUNDAY.

$$