Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 221325
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
825 AM CDT THU SEP 22 2016

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...A RIDGE OF HIGH PRESSURE STRETCHES FROM SASKATCHEWAN
TO NEW ENGLAND WHILE LOW PRESSURE OF 29.9 INCHES LIES ACROSS THE
CENTRAL PLAINS. THE HIGH WILL WILL GRADUALLY SLIDE EAST...AND BY
SUNDAY THE RIDGE AXIS WILL EXTEND FROM HUDSON BAY INTO THE MID
ATLANTIC REGION WHILE THE LOW LIFTS NORTH TO SOUTHERN MANITOBA.
THE LOW WILL THEN MOVE SLOWLY EAST TO LAKE SUPERIOR TUESDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-222130-
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-
825 AM CDT THU SEP 22 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...SOUTHEAST WINDS 10 TO 15 KT VEERING TO
NORTHEAST. CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES 1 TO 3 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY NIGHT...EAST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.SATURDAY...EAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 2 TO 4 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO
25 KT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222130-
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-
825 AM CDT THU SEP 22 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...SOUTHEAST WINDS 10 TO 15 KT TURNING SOUTH LATER
THIS MORNING. CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT BACKING TO NORTHEAST 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...EAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...EAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$
LMZ761-222130-
MAFOR 2215/
MICHIGAN NORTH 11310 12110 11820 13120 11130. CHANCE OF SHOWERS
AND THUNDERSTORMS TODAY...TONIGHT...AND FRIDAY MORNING. WAVES 1 TO
3 FT TODAY. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT FRIDAY MORNING.

MICHIGAN SOUTH 11310 13410 11820 13120. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS MORNING...TONIGHT...AND FRIDAY MORNING.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT OVERNIGHT.

$$


KMD

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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