Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 262157 AAA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...UPDATED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
457 PM CDT MON SEP 26 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 29.5 INCHES OVER WEST CENTRAL ONTARIO
WILL MOVE TO LAKE SUPERIOR TUESDAY MORNING. THIS LOW WILL THEN
SLOWLY MOVE SOUTH ACROSS WESTERN LOWER MICHIGAN TUESDAY NIGHT...
AND THEN TO THE MID ATLANTIC WEDNESDAY NIGHT. HIGH PRESSURE OF
30.3 INCHES WILL BUILD ACROSS ONTARIO AND THE UPPER MIDWEST
WEDNESDAY NIGHT INTO THURSDAY.

LMZ261-362-364-366-563-565-567-868-270315-
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-
457 PM CDT MON SEP 26 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...WEST WINDS TO 30 KT WITH SOME GALE FORCE GUSTS TO 35
KT THIS EVENING. CHANCE OF WATERSPOUTS. SCATTERED SHOWERS. WAVES
6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT. CHANCE
OF WATERSPOUTS. SCATTERED SHOWERS IN THE MORNING...THEN NUMEROUS
SHOWERS IN THE AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT VEERING TO EAST 10 TO
20 KT. SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SHOWERS
OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO
4 FT.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT 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 DIMINISHING TO
10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
2 TO 4 FT.
.FRIDAY...NORTHEAST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
457 PM CDT MON SEP 26 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...WEST WINDS TO 30 KT. ISOLATED SHOWERS. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.TUESDAY...WEST WINDS TO 30 KT. ISOLATED SHOWERS IN THE MORNING...
THEN SCATTERED SHOWERS IN THE AFTERNOON. CHANCE OF WATERSPOUTS IN
THE AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST.
SHOWERS LIKELY. CHANCE OF WATERSPOUTS OVERNIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF WATERSPOUTS IN
THE MORNING. CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT INCREASING TO
30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTHEAST WINDS 15 TO 25 KT BECOMING NORTH. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. WAVES 4 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.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH. WAVES
2 TO 4 FT.

$$

LMZ761-270315-
MAFOR 2621 AMD/
MICHIGAN NORTH 12640 19650 15640. CHANCE OF SHOWERS. WAVES 6 TO 9
FT OCCASIONALLY TO 11 FT.

MICHIGAN SOUTH 16640. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.

$$

IZZI

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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