Great Lakes Forecast
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823
FZUS63 KLOT 280856
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 AM CST TUE FEB 28 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 29.6 INCHES OVER THE CENTRAL PLAINS
WILL REACH SOUTHERN LAKE MICHIGAN AT 29.4 INCHES THIS
EVENING...AND THEN REACH THE CENTRAL GREAT LAKES BY MIDDAY
WEDNESDAY. THIS LOW WILL THEN DEEPEN TO 28.9 INCHES OVER NEW
BRUNSWICK EARLY THURSDAY MORNING. A WEAK LOW AVERAGING 30.1 INCHES
WILL PASS SOUTH OF THE LAKE THURSDAY EVENING. HIGH PRESSURE RIDGE
OF 30.6 INCHES WILL SPREAD OVER THE WESTERN GREAT LAKES FRIDAY
AND THEN CONTINUE TO THE EASTERN GREAT LAKES FRIDAY NIGHT INTO
SATURDAY...WHILE LOW PRESSURE OF 29.5 INCHES LIFTS NORTHEAST TO
MANITOBA AND ONTARIO SATURDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-281630-
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-
256 AM CST TUE FEB 28 2017

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TODAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING EAST LATE. RAIN
SHOWERS WITH A CHANCE OF FREEZING RAIN THIS MORNING...THEN RAIN
SHOWERS LIKELY THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO 6
FT OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT
LATE IN THE EVENING...THEN INCREASING TO 30 KT AFTER MIDNIGHT.
RAIN SHOWERS LIKELY IN THE EVENING...THEN RAIN SHOWERS LIKELY
WITH A CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...NORTH GALES TO 35 KT. SNOW SHOWERS IN THE MORNING,...
THEN CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...NORTH GALES TO 35 KT DIMINISHING TO 15 TO
25 KT OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT SUBSIDING
TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 2 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT INCREASING TO
30 KT. CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT BUILDING TO 2 TO
4 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY...SOUTH WINDS TO 30 KT. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281630-
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-
256 AM CST TUE FEB 28 2017

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY
EVENING...

.TODAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. CHANCE OF RAIN
SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS THIS MORNING...THEN
RAIN SHOWERS AND THUNDERSTORMS LIKELY THIS AFTERNOON. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.TONIGHT...SOUTH WINDS TO 30 KT VEERING TO NORTHWEST. AREAS OF
FOG. RAIN SHOWERS AND THUNDERSTORMS. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.WEDNESDAY...NORTH WINDS TO 30 KT BECOMING NORTHWEST GALES TO 35
KT. RAIN AND SNOW SHOWERS IN THE MORNING...THEN SNOW SHOWERS IN
THE AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS IN THE EVENING. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST.
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTH WINDS TO 30 KT. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.

$$

LMZ761-281630-
MAFOR 2810/
MICHIGAN NORTH 14336 11236 11126 11836 11847. CHANCE OF FREEZING
RAIN EARLY THIS MORNING. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT TONIGHT.

MICHIGAN SOUTH 11346 11440 12440 11449 11549 11649 11749. CHANCE
OF THUNDERSTORMS EARLY THIS MORNING...THEN CHANCE OF RAIN SHOWERS
THIS MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4
TO 6 FT OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT TONIGHT.

$$


RODRIGUEZ

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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