Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 271327
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
827 AM CDT TUE SEP 27 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...LOW PRESSURE OF 29.3 INCHES OVER EASTERN LAKE
SUPERIOR EARLY THIS MORNING WILL MOVE SOUTH ACROSS LAKE MICHIGAN
TONIGHT AND THEN TO THE MID ATLANTIC REGION WEDNESDAY NIGHT. HIGH
PRESSURE OF 30.4 INCHES WILL BUILD ACROSS ONTARIO AND THE UPPER
MIDWEST WEDNESDAY NIGHT INTO THURSDAY AND REMAIN STATIONARY... AS
THE LOW OVER THE MID ATLANTIC MOVES BACK WEST ACROSS THE SOUTHERN
LAKES REGION FRIDAY INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-272145-
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-
827 AM CDT TUE SEP 27 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...WEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35
KT THIS MORNING. CHANCE OF WATERSPOUTS. SHOWERS LIKELY. WAVES 5
TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.TONIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT
LATE IN THE EVENING...THEN NORTHEAST 10 TO 20 KT OVERNIGHT.
CHANCE OF WATERSPOUTS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
2 TO 4 FT.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-272145-
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-
827 AM CDT TUE SEP 27 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...WEST WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35
KT THIS MORNING. CHANCE OF SHOWERS AND WATERSPOUTS THIS
AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TONIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST 15 TO 25 KT.
CHANCE OF WATERSPOUTS. SHOWERS LIKELY WITH A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTH WINDS TO 30 KT BECOMING NORTHEAST. CHANCE OF
WATERSPOUTS. SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF SHOWERS
IN THE EVENING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...NORTHEAST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 5
TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.FRIDAY...NORTHEAST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 2 TO 4 FT.

$$
LMZ761-272145-
MAFOR 2715/
MICHIGAN NORTH 11646 19656 12646 11636 11736 11820 11120 11130.
CHANCE OF SHOWERS LATE THIS EVENING. CHANCE OF SHOWERS WEDNESDAY
MORNING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT THIS AFTERNOON..AND TO 2 TO 4 FT TONIGHT.

MICHIGAN SOUTH 11640 19650 12640 12636 12736 11836. CHANCE OF
SHOWERS TODAY. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO
3 TO 5 FT THIS EVENING...THEN BUILDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT WEDNESDAY MORNING.

$$


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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