Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280755
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
255 AM CDT WED SEP 28 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...BROAD LOW PRESSURE OF 29.8 INCHES OVER THE WESTERN
LAKES THIS MORNING...WILL MOVE SOUTHEAST TO THE OHIO VALLEY
TONIGHT AND TO THE MID ATLANTIC THURSDAY. HIGH PRESSURE OF 30.4
INCHES WILL BUILD ACROSS ONTARIO AND THE UPPER MIDWEST TONIGHT
INTO THURSDAY AND REMAIN STATIONARY...AS THE LOW OVER THE MID
ATLANTIC MOVES BACK WEST ACROSS THE SOUTHERN LAKES REGION FRIDAY
INTO SATURDAY AT 30.0 INCHES.

LMZ261-362-364-366-563-565-567-868-281400-
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-
255 AM CDT WED SEP 28 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 15 TO 25 KT
EARLY THIS AFTERNOON...THEN INCREASING TO 30 KT LATE. WATERSPOUTS
LIKELY. SCATTERED SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS THIS
MORNING. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.TONIGHT...NORTHEAST WINDS TO 30 KT. WAVES 5 TO 7 FT OCCASIONALLY
TO 9 FT.
.THURSDAY...NORTHEAST WINDS TO 30 KT. WAVES 5 TO 7 FT OCCASIONALLY
TO 9 FT.
.THURSDAY NIGHT...NORTHEAST WINDS TO 30 KT DIMINISHING TO 15 TO 25
KT. WAVES 5 TO 7 FT OCCASIONALLY TO 9 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 4
TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
2 TO 4 FT.
.SUNDAY...NORTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS. WAVES 1 TO
3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281400-
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-
255 AM CDT WED SEP 28 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

.TODAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST TO 30 KT.
WATERSPOUTS LIKELY. SCATTERED SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO
5 TO 7 FT OCCASIONALLY TO 9 FT.
.TONIGHT...NORTHEAST GALES TO 35 KT. WATERSPOUTS LIKELY.
SCATTERED SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS. WAVES 7
TO 10 FT OCCASIONALLY TO 13 FT.
.THURSDAY...NORTHEAST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
7 TO 10 FT OCCASIONALLY TO 13 FT.
.THURSDAY NIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF SHOWERS.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY...NORTHEAST WINDS TO 30 KT. SHOWERS LIKELY. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT.
.FRIDAY NIGHT...NORTHEAST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 2 TO 4 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-281400-
MAFOR 2809/
MICHIGAN NORTH 13220 11130 14140. WATERSPOUTS LIKELY TODAY.
SCATTERED SHOWERS TODAY. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT TODAY. WAVES 5 TO 7 FT OCCASIONALLY TO 9
FT TONIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11820 12130 12140
13150. WATERSPOUTS LIKELY. SCATTERED SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT
TODAY...AND TO 7 TO 10 FT OCCASIONALLY TO 13 FT TONIGHT.

$$

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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