Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 270845
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
245 AM CST SUN NOV 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...THE 30.3 INCH HIGH PRESSURE RIDGE OVER THE OHIO
VALLEY WILL SPREAD OVER THE EAST COAST TODAY AND THEN SHIFT OVER
THE ATLANTIC MONDAY. A 29.1 INCH LOW FORMS OVER THE PLAINS THIS
EVENING AND DEEPENS TO AROUND 28.8 INCHES AS IT REACHES THE
DAKOTAS MONDAY. IT SLOWLY WEAKENS AND SHIFTS OVER MINNESOTA AS ITS
COLD FRONT SLIDES OVER THE LAKE EARLY TUESDAY MORNING. THE LOW
CONTINUES TO SLOWLY WEAKEN AND SHIFT EAST OVER THE GREAT LAKES
THROUGH LATE THIS WEEK.

LMZ261-362-364-366-563-565-567-868-271615-
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-
245 AM CST SUN NOV 27 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE MONDAY
NIGHT...

.TODAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 30 KT THIS
AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
.TONIGHT...SOUTHEAST WINDS TO 30 KT INCREASING TO GALES TO 40 KT.
CHANCE OF RAIN IN THE EVENING...THEN RAIN LIKELY OVERNIGHT. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 8 TO 11 FT
OCCASIONALLY TO 14 FT.
.MONDAY...SOUTHEAST GALES TO 40 KT. CHANCE OF SHOWERS. WAVES 8 TO
12 FT OCCASIONALLY TO 15 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY
TO 13 FT.
.MONDAY NIGHT...SOUTHEAST GALES TO 40 KT DIMINISHING TO 30 KT LATE.
SHOWERS. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.TUESDAY...SOUTHWEST WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS
TO 35 KT ARE POSSIBLE. CHANCE OF SHOWERS IN THE MORNING. WAVES 4
TO 7 FT OCCASIONALLY TO 9 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS TO 30 KT BECOMING SOUTH 15 TO
25 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. CHANCE OF RAIN OR SNOW
SHOWERS. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-271615-
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-
245 AM CST SUN NOV 27 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH LATE MONDAY
NIGHT...

.TODAY...SOUTHWEST WINDS 10 TO 20 KT...BECOMING SOUTH...AND THEN
INCREASING TO 30 KT. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS TO 30 KT INCREASING TO GALES TO 40 KT.
CHANCE OF RAIN IN THE EVENING...THEN RAIN OVERNIGHT. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO
14 FT.
.MONDAY...SOUTH GALES TO 40 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 8 TO 12 FT
OCCASIONALLY TO 15 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO
13 FT.
.MONDAY NIGHT...SOUTHEAST GALES TO 40 KT BECOMING SOUTHWEST TO 30
KT OVERNIGHT. SHOWERS. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT
SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY...SOUTHWEST WINDS TO 30 KT BECOMING SOUTH. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 15 TO
25 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO
4 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ761-271615-
MAFOR 2710/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11410 11420 11430 12440
11340 12356. CHANCE OF RAIN THIS EVENING. WAVES 2 TO 4 FT
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT
TONIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11520 11420 12430 12440
12456. CHANCE OF RAIN THIS EVENING. WAVES 2 TO 4 FT BUILDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT TONIGHT.

$$


JEE

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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