Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 101345
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
845 AM CDT WED SEP 10 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN.

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.

.SYNOPSIS...LOW PRESSURE OF 29.5 INCHES OVER FAR SOUTHWESTERN
WISCONSIN THIS MORNING WILL TRACK NORTHEAST ACROSS NORTHERN LAKE
MICHIGAN THIS AFTERNOON WITH A PRESSURE AROUND 29.3 INCHES. HIGH
PRESSURE OF 30.5 INCHES WILL BUILD OVER THE PLAINS AND UPPER
MIDWEST BEHIND THE LOW BY LATE WEEK...THEN WEAKEN TO 30.3 INCHES
AND SPREAD OVER THE LAKE THIS WEEKEND.

LMZ261-362-364-366-563-565-102130-
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-
845 AM CDT WED SEP 10 2014

TWO RIVERS WI TO MANISTEE MI NORTH

...GALE WARNING IN EFFECT FROM 5 PM CDT THIS AFTERNOON THROUGH
THURSDAY MORNING...

.REST OF TODAY...SOUTHEAST WINDS 20 TO 25 KT VEERING NORTHWEST
AND INCREASING TO 35 KT GALES BY EARLY EVENING. PERIODS OF RAIN
WITH A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 6 TO 10 FT OCCASIONALLY TO 13 FT.
.TONIGHT...NORTHWEST GALES TO 35 KT BECOMING NORTH OVERNIGHT. SLIGHT
CHANCE OF SHOWERS. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
.THURSDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT FROM LATE
MORNING ON. SLIGHT CHANCE OF SHOWERS. WAVES 8 TO 11 FT
OCCASIONALLY TO 14 FT.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KT. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS IN
THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES
2 TO 4 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-102130-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
845 AM CDT WED SEP 10 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

...GALE WARNING IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...GALE WATCH IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH
THURSDAY MORNING...

.REST OF TODAY...SOUTH GALES TO 35 KT WITH A FEW GUSTS TO 40 KT
VEERING TO WEST BY EARLY EVENING. PERIODS OF RAIN AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT.
.TONIGHT...NORTHWEST WINDS TO 30 KT BECOMING NORTH. A FEW GUSTS TO
35 KT GALES POSSIBLE THIS EVENING.  SLIGHT CHANCE OF SHOWERS.
WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT.
.THURSDAY...NORTH WINDS TO 30 KT EASING TO 20 TO 25 KT IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 8 TO 11 FT OCCASIONALLY
TO 14 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SHOWERS. WAVES SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 3 FT.

$$
LMZ761-102130-
MAFOR 1015/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
12336 11646 19750 11750 13850 11840 19850. PERIODS OF RAIN WITH A
SLIGHT CHANCE OF THUNDERSTORMS TODAY. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 6 TO 10 FT OCCASIONALLY TO 13 FT
THIS AFTERNOON AND TO 8 TO 11 FT OCCASIONALLY TO 14 FT TONIGHT AND
THURSDAY MORNING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
11456 11556 11650 12740 19750 13840. PERIODS OF RAIN WITH A SLIGHT
CHANCE OF THUNDERSTORMS TODAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT THIS AFTERNOON.
WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT TONIGHT AND THURSDAY
MORNING.

$$

KJB




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