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000
FZUS63 KLOT 230148
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
848 PM CDT WED MAY 22 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...AN ELONGATED AREA OF LOW PRESSURE AVERAGING 29.7
INCHES EXTENDING FROM LOWER MICHIGAN WEST ACROSS SOUTHERN
WISCONSIN WILL MOVE EAST TO NEW ENGLAND BY THURSDAY NIGHT.
MEANWHILE...A LARGE AND STRONG HIGH PRESSURE OF 30.6 INCHES
BLANKETING MUCH OF CANADA WILL BUILD SOUTHEAST AND EXTEND FROM
HUDSON BAY SOUTH INTO THE WESTERN GREAT LAKES BY FRIDAY. THE HIGH
WILL THEN REMAIN NEARLY STATIONARY OVER THE WEEKEND AND INTO THE
START OF NEXT WEEK.

//

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.


LMZ261-362-364-563-231000-
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-
848 PM CDT WED MAY 22 2013

STURGEON BAY WI TO POINT BETSIE MI NORTH

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KT INCREASING TO 30 KT BY
MIDNIGHT. AREAS OF DENSE FOG THIS EVENING. SHOWERS...ESPECIALLY
THIS EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT BUILDING TO 6
TO 9 FT OCCASIONALLY TO 13 FT OVERNIGHT.
.THURSDAY...NORTH WINDS TO 30 KT DIMINISHING TO 20 TO 25 KT LATE.
SLIGHT CHANCE OF SHOWERS THROUGH MID MORNING. WAVES 6 TO 9 FT
OCCASIONALLY TO 13 FT.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15
KT. WAVES 4 TO 7 FT OCCASIONALLY TO 10 FT SUBSIDING TO 2 TO 4 FT
OCCASIONALLY 6 FT.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KT BACKING TO SOUTHWEST 10 TO
15 KT. WAVES 2 TO 4 FT OCCASIONALLY TO 6 FT SUBSIDING TO 1 TO
2 FT IN THE AFTERNOON.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...VARIABLE WINDS LESS THAN 10
KT. WAVES 1 FT OR LESS.
.SUNDAY...EAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.

$$

LMZ366-565-567-669-868-870-231000-
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 PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
848 PM CDT WED MAY 22 2013

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO PORT WASHINGTON WI TO
WHITEHALL MI

...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT THURSDAY...
...GALE WARNING IN EFFECT FROM 4 AM CDT THURSDAY THROUGH THURSDAY
AFTERNOON...

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KT INCREASING TO GALES TO 35
KT LATE. AREAS OF DENSE FOG THIS EVENING. SHOWERS WITH ISOLATED
THUNDERSTORMS THROUGH EARLY EVENING...THEN SHOWERS LIKELY. WAVES
3 TO 5 FT OCCASIONALLY TO 8 FT BUILDING TO 6 TO 9 FT OCCASIONALLY
TO 13 FT OVERNIGHT.
.THURSDAY...NORTH GALES TO 40 KT DIMINISHING TO 30 KT LATE.
CHANCE OF SHOWERS THROUGH MID MORNING. WAVES 8 TO 12 FT
OCCASIONALLY TO 16 FT.
.THURSDAY NIGHT...NORTH WINDS DIMINISHING TO 10 TO 15 KT LATE.
WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT LATE.
.FRIDAY...NORTH WINDS 10 TO 15 KT BECOMING VARIABLE LESS THAN 10
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 2 FT
LATE.
.FRIDAY NIGHT AND SATURDAY...VARIABLE WINDS LESS THAN 10 KT.
WAVES 2 FT OR LESS.
.SATURDAY NIGHT THROUGH MONDAY...EAST WINDS AROUND 10 KT. WAVES 1
TO 2 FT.

$$

LMZ080-671-673-675-777-779-872-874-876-878-231000-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
848 PM CDT WED MAY 22 2013

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM CDT THURSDAY...
...GALE WARNING IN EFFECT FROM 7 AM CDT THURSDAY THROUGH THURSDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KT INCREASING TO 30 KT BY
MORNING. AREAS OF DENSE FOG THROUGH THE EARLY OVERNIGHT...THEN
PATCHY DENSE FOG LATE. SHOWERS WITH ISOLATED THUNDERSTORMS THROUGH
EARLY EVENING...THEN SHOWERS LIKELY. WAVES 1 TO 3 FT OCCASIONALLY
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 10 FT LATE.
.THURSDAY...NORTH GALES TO 40 KT. CHANCE OF SHOWERS THROUGH MID
MORNING...THEN SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 10 TO
14 FT OCCASIONALLY TO 18 FT.
.THURSDAY NIGHT...NORTH GALES TO 35 KT EARLY IN THE EVENING
DIMINISHING TO 10 TO 20 KT BY MORNING. WAVES SUBSIDING TO 6 TO 9
FT OCCASIONALLY TO 13 FT LATE.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES SUBSIDING TO 2 TO 4 FT
OCCASIONALLY TO 6 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SATURDAY AND SATURDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT. WAVES
1 FT OR LESS.
.SUNDAY...EAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.

$$
LMZ761-231000-
MAFOR 2303/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
11834 11846 11856 12850 12840 11830. AREAS OF DENSE FOG THIS
EVENING. RAIN SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 8
FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 13 FT OVERNIGHT. WAVES 8
TO 12 FT OCCASIONALLY TO 16 FT THURSDAY SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 10 FT THURSDAY EVENING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
11824 11834 11843 19853 14850 11850. AREAS OF DENSE FOG THROUGH
EARLY OVERNIGHT...THEN PATCHY DENSE FOG THROUGH EARLY MORNING.
SHOWERS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 8 FT BUILDING
TO 5 TO 8 FT OCCASIONALLY TO 12 FT OVERNIGHT. WAVES 10 TO 14 FT
OCCASIONALLY TO 18 FT THURSDAY SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 16 FT THURSDAY EVENING.

$$

RC