Great Lakes Forecast
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000
FZUS63 KLOT 140846
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
246 AM CST TUE FEB 14 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 OF THE HIGHEST 1/3 OF THE WAVE, ALONG WITH THE
AVERAGE HEIGHT OF THE HIGHEST 10% OF THE WAVES WHICH WILL
OCCASIONALLY BE ENCOUNTERED.

.SYNOPSIS...LOW PRESSURE OF 29.4 INCHES IS OVER NORTHWEST ONTARIO
EARLY THIS MORNING WILL MOVE TO THE EASTERN GREAT LAKES LATE
TONIGHT INTO WEDNESDAY. THE LOW WILL MERGE WITH ANOTHER LOW OFF
THE NEW ENGLAND COAST ON WEDNESDAY AND DEEPEN TO 28.7 INCHES
THURSDAY AS IT LIFTS ACROSS THE CANADIAN MARITIME PROVINCES.
MEANWHILE...A RIDGE OF HIGH PRESSURE AVERAGING 30.0 INCHES WILL
MOVE FROM MANITOBA TUESDAY TO THE WESTERN GREAT LAKES EARLY
THURSDAY...THEN TO THE EASTERN GREAT LAKES FRIDAY. LOW PRESSURE OF
29.3 INCHES WILL MOVE ACROSS SASKATCHEWAN FRIDAY TO JAMES BAY
SATURDAY EVENING.

LMZ261-362-364-366-563-565-567-868-141630-
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-
246 AM CST TUE FEB 14 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

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

.TODAY...WEST WINDS TO 30 KT BECOMING NORTHWEST GALES TO 35 KT.
SLIGHT CHANCE OF SNOW THIS MORNING...THEN CHANCE OF SNOW THIS
AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 6 TO 9
FT OCCASIONALLY TO 11 FT.
.TONIGHT...NORTHWEST GALES TO 40 KT DIMINISHING TO GALES TO
35 KT. CHANCE OF SNOW. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT BECOMING NORTH 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 5 TO 10 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141630-
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-
246 AM CST TUE FEB 14 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

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

.TODAY...WEST WINDS TO 30 KT BECOMING NORTHWEST GALES TO 35 KT.
SLIGHT CHANCE OF SNOW THIS AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TONIGHT...NORTHWEST GALES TO 35 KT. CHANCE OF FLURRIES IN THE
EVENING...THEN SLIGHT CHANCE OF SNOW OVERNIGHT. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13
FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS IN
THE MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING TO
4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO
4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ761-141630-
MAFOR 1410/
MICHIGAN NORTH...GALE WARNING IN EFFECT...14640 14750. CHANCE OF
SNOW THIS AFTERNOON AND TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT TODAY. WAVES 7 TO
10 FT OCCASIONALLY TO 13 FT TONIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...14640 14750. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO
10 FT TODAY. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT BUILDING TO 7
TO 10 FT OCCASIONALLY TO 13 FT TONIGHT.

$$

BMD

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT:
WEATHER.GOV/GREATLAKES



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