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000
FZUS63 KLOT 211351
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 AM CDT TUE MAY 21 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...LOW PRESSURE OF 29.5 INCHES WAS OVER THE NORTH DAKOTA
MINNESOTA BORDER WITH A WARM FRONT EXTENDING EAST ACROSS NORTHERN
LAKE MICHIGAN. THE LOW WILL MOVE SLOWLY EAST ACROSS THE LAKE
TONIGHT AND WEDNESDAY. AS THE LOW MOVES TO QUEBEC THURSDAY AND A
RIDGE OF HIGH PRESSURE BUILDS INTO THE UPPER MISSISSIPPI
VALLEY...NORTH GALE FORCE WINDS MAY DEVELOP OVER LAKE MICHIGAN.
WINDS WILL DIMINISH THURSDAY NIGHT AND FRIDAY AS THE HIGH PRESSURE
OF 30.4 INCHES BUILDS INTO THE WESTERN GREAT LAKES.

//

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.


LMZ261-362-364-563-212145-
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-
851 AM CDT TUE MAY 21 2013

STURGEON BAY WI TO POINT BETSIE MI NORTH

.REST OF TODAY...EAST WINDS TO 30 KT BECOMING SOUTHEAST 10 TO
20 KT. PATCHY DENSE FOG. CHANCE OF SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH LESS THAN 10
KT. PATCHY DENSE FOG. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1
TO 2 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT. PATCHY DENSE FOG IN THE
MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 1 TO
2 FT.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 9 FT.
.THURSDAY...NORTH WINDS TO 30 KT. CHANCE OF SHOWERS...MAINLY IN THE
MORNING. WAVES 4 TO 7 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KT SUBSIDING TO 10 TO 20 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT.
.FRIDAY...NORTH WINDS 5 TO 10 KT. WAVES 2 TO 4 FT OCCASIONALLY TO
6 FT.
.SATURDAY...EAST WINDS LESS THAN 10 KT BECOMING SOUTHEAST. WAVES
NEARLY CALM.

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-212145-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
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 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 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-
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-
851 AM CDT TUE MAY 21 2013

STURGEON BAY WI TO POINT BETSIE MI SOUTH

.REST OF TODAY...SOUTH WINDS 10 TO 20 KT. PATCHY DENSE FOG. CHANCE
OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 2 TO 4 FT
OCCASIONALLY TO 6 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING VARIABLE 5 TO 10
KT LATE. PATCHY DENSE FOG. SHOWERS AND THUNDERSTORMS LIKELY.
WAVES 1 TO 3 FT.
.WEDNESDAY...EAST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 15 KT.
PATCHY DENSE FOG IN THE MORNING. SHOWERS AND THUNDERSTORMS LIKELY
IN THE MORNING...THEN SHOWERS LIKELY WITH SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KT INCREASING TO 30 KT.
SHOWERS LIKELY. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT OCCASIONALLY
TO 9 FT.
.THURSDAY...NORTH GALES TO 35 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
7 TO 10 FT OCCASIONALLY TO 14 FT.
.THURSDAY NIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT. WAVES
6 TO 9 FT OCCASIONALLY TO 13 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 9 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.

$$
LMZ761-212145-
MAFOR 2115/
MICHIGAN NORTH 01240 11330 12320 11110 12700 12800. PATCHY DENSE
FOG. CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON THROUGH
WEDNESDAY MORNING. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT THIS
AFTERNOON. WAVES 1 TO 2 FT TONIGHT AND WEDNESDAY MORNING.

MICHIGAN SOUTH 13420 11510 11500 11509 11909 11209. PATCHY DENSE
FOG. CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND
TONIGHT. SHOWERS AND THUNDERSTORMS LIKELY WEDNESDAY MORNING. WAVES
2 TO 4 FT OCCASIONALLY TO 6 FT THIS AFTERNOON. WAVES 1 TO 3 FT
TONIGHT. WAVES 1 TO 2 FT WEDNESDAY MORNING.

$$

JEE