Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 101431
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
831 AM CST TUE JAN 10 2017

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 29.4 INCH LOW OVER THE CENTRAL PLAINS WILL PASS
OVER THE NORTHERN END OF THE LAKE THIS EVENING AND DEEPEN TO 28.9
INCHES AS IT REACHES SOUTHEAST ONTARIO TONIGHT. IT WILL CONTINUE
NORTH TO HUDSON BAY WEDNESDAY...AND ITS COLD FRONT WILL PASS OVER
THE LAKE THIS EVENING. ANOTHER TROUGH OF 29.7 INCHES WILL SET UP
FROM THE CENTRAL PLAINS INTO THE CENTRAL GREAT LAKES WEDNESDAY.
THE TROUGH WILL CONSOLIDATE OVER QUEBEC THURSDAY NIGHT AS A STRONG
30.9 INCH HIGH BUILDS INTO THE NORTHERN PLAINS. THE HIGH WILL
SHIFT ACROSS THE GREAT LAKES FRIDAY INTO SATURDAY.

LMZ261-362-364-366-563-565-102245-
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-
831 AM CST TUE JAN 10 2017

TWO RIVERS WI TO MANISTEE MI NORTH...

...GALE WARNING IN EFFECT FROM NOON CST TODAY THROUGH LATE
TONIGHT...

.REST OF TODAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH AND
INCREASING TO GALES TO 40 KT THIS AFTERNOON...THEN BECOMING
SOUTHWEST GALES TO 45 KT LATE. SNOW...CHANCE OF RAIN AND LIGHT
FREEZING RAIN THROUGH MID MORNING...THEN RAIN WITH POSSIBLE SNOW
AND FREEZING RAIN LIKELY THIS AFTERNOON. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18
FT.
.TONIGHT...WEST GALES TO 45 KT BECOMING SOUTHWEST GALES TO 40 KT.
A FEW STORM FORCE GUSTS TO 50 KT POSSIBLE IN THE EVENING. CHANCE
OF SNOW IN THE EVENING. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT
SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT.
.WEDNESDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
CHANCE OF SNOW IN THE MORNING...THEN SNOW LIKELY IN THE
AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO
4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT BECOMING WEST 15 TO 25 KT.
CHANCE OF SNOW IN THE MORNING. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST 15 TO
25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 2 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-102245-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
831 AM CST TUE JAN 10 2017

TWO RIVERS WI TO MANISTEE MI SOUTH...

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...SOUTH GALES TO 35 KT BECOMING SOUTHWEST GALES TO
40 KT EARLY THIS AFTERNOON...THEN BECOMING WEST GALES TO 45 KT
BY MID AFTERNOON. A FEW STORM FORCE GUSTS TO 50 KT POSSIBLE LATE.
RAIN THROUGH MID MORNING...THEN RAIN LIKELY THIS AFTERNOON. WAVES
7 TO 10 FT OCCASIONALLY TO 13 FT BUILDING TO 12 TO 16 FT
OCCASIONALLY TO 20 FT.
.TONIGHT...WEST GALES TO 45 KT BECOMING SOUTHWEST TO 30 KT LATE. A
FEW STORM FORCE GUSTS TO 50 KT POSSIBLE IN THE EVENING. SLIGHT
CHANCE OF RAIN AND SNOW IN THE EVENING. WAVES 12 TO 16 FT
OCCASIONALLY TO 20 FT SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13
FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 10 TO 20 KT
LATE IN THE AFTERNOON. CHANCE OF RAIN AND SNOW IN THE AFTERNOON.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KT. RAIN...LIGHT FREEZING
RAIN LIKELY WITH A CHANCE OF LIGHT SLEET IN THE EVENING...THEN
CHANCE OF LIGHT FREEZING RAIN...RAIN AND SNOW OVERNIGHT. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT. CHANCE OF LIGHT FREEZING RAIN AND SNOW IN THE MORNING.
WAVES 2 TO 4 FT.
.THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 3 FT.

$$


LMZ761-102245-
MAFOR 1016/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11347 11457 11566 12660
19670 11660 11550 11540. CHANCE OF FREEZING RAIN THIS AFTERNOON.
CHANCE OF SNOW THIS EVENING. WAVES 7 TO 10 FT OCCASIONALLY TO 13
FT BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT TODAY. WAVES 10
TO 14 FT OCCASIONALLY TO 18 FT SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT TONIGHT...AND TO 5 TO 8 FT OCCASIONALLY TO
10 FT WEDNESDAY MORNING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...12466 11560 19670
11660 19670 11660 11650 11530 11440. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT BUILDING TO 12 TO 16 FT OCCASIONALLY TO 20
FT TODAY. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT SUBSIDING TO 7
TO 10 FT OCCASIONALLY TO 13 FT TONIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT WEDNESDAY MORNING.

$$


KJB

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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