Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280836
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
236 AM CST WED JAN 28 2015

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...HIGH PRESSURE OF 30.3 INCHES ACROSS THE CENTRAL GREAT
LAKES EARLY THIS MORNING WILL MOVE EASTWARD THROUGH TODAY.
MEANWHILE...LOW PRESSURE OF 29.7 INCHES ACROSS THE NORTHERN PLAINS
THIS MORNING WILL BROADEN SOME AS IT MOVES TO THE UPPER
MISSISSIPPI RIVER VALLEY BY THIS EVENING AND OVER LAKE MICHIGAN
LATE TONIGHT. THIS LOW WILL BEGIN TO THEN CONSOLIDATE AND DEEPEN
TO 29.6 INCHES ON THURSDAY AS IT MOVES TO THE EASTERN GREAT LAKES.
STRONG CANADIAN HIGH PRESSURE OF 30.6 INCHES WILL BUILD INTO THE
GREAT LAKES BY FRIDAY AFTERNOON. ANOTHER COLD FRONT WILL SAG
SOUTHWARD ACROSS THE LAKE ON SATURDAY AFTERNOON AND NIGHT BRINGING
A PERIOD OF NORTHERLY WINDS FOR THE LATTER HALF OF THE WEEKEND
INTO EARLY NEXT WEEK.


LMZ261-362-364-366-563-565-281645-
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-
236 AM CST WED JAN 28 2015

TWO RIVERS WI TO MANISTEE MI NORTH

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...

.TODAY...SOUTH WINDS AROUND 10 KT INCREASING TO 10 TO 20 KT LATE
THIS MORNING...THEN INCREASING TO 30 KT BY EARLY THIS AFTERNOON.
CHANCE OF SNOW THIS AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT BY LATE THIS AFTERNOON.
.TONIGHT...SOUTH WINDS TO 30 KT. SNOW AND SLEET LIKELY...MAINLY
AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13
FT BY LATE EVENING.
.THURSDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30 KT
LATE IN THE MORNING...THEN INCREASING TO GALES TO 40 KT EARLY IN
THE AFTERNOON. SNOW LIKELY. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT
BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTH GALES TO 40 KT EASING TO 30 KT LATE.
FREEZING SPRAY LIKELY. CHANCE OF SNOW SHOWERS. WAVES 8 TO 12 FT
OCCASIONALLY TO 15 FT.
.FRIDAY...NORTH WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT IN
THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 6
FT OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT OVERNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTH 15 TO 25 KT
SATURDAY NIGHT. CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-281645-
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-
236 AM CST WED JAN 28 2015

TWO RIVERS WI TO MANISTEE MI SOUTH

...GALE WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE
THURSDAY NIGHT...

.TODAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT BY LATE
MORNING...THEN TO 30 KT EARLY IN THE AFTERNOON. WAVES 2 TO 4 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT THIS AFTERNOON.
.TONIGHT...SOUTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT LATE.
OCCASIONAL GALE FORCE GUSTS THIS EVENING. CHANCE OF RAIN OR
DRIZZLE LATE THIS EVENING...THEN A WINTRY MIX LIKELY AFTER
MIDNIGHT. WAVES BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT THIS
EVENING.
.THURSDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO 30 KT
LATE IN THE MORNING...THEN INCREASING TO GALES TO 40 KT EARLY IN
THE AFTERNOON. WINTRY MIX LIKELY IN THE MORNING WITH A CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10
FT BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14 FT IN THE AFTERNOON.
.THURSDAY NIGHT...NORTHWEST GALES TO 40 KT BECOMING NORTH GALES TO
35 KT LATE IN THE EVENING...THEN EASING TO 15 TO 25 KT LATE.
FREEZING SPRAY LIKELY. CHANCE OF SNOW SHOWERS. WAVES 10 TO 14 FT
OCCASIONALLY TO 18 FT.
.FRIDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO 15 KT
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO
9 FT OCCASIONALLY TO 11 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES SUBSIDING TO 2
TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25
KT...THEN BECOMING SOUTHEAST DURING SATURDAY NIGHT. SLIGHT CHANCE
OF SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST TO 30 KT.
CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.


$$

LMZ761-281645-
MAFOR 2810/
MICHIGAN NORTH 11400 11410 11420 12440 13447. CHANCE OF SNOW THIS
AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9
FT BY LATE THIS AFTERNOON. WAVES BUILDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT BY LATE EVENING.

MICHIGAN SOUTH 11410 11420 11430 14440 11447. CHANCE OF RAIN OR
DRIZZLE LATE THIS EVENING. WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT THIS AFTERNOON. WAVES BUILDING TO 8 TO 11 FT
OCCASIONALLY TO 14 FT THIS EVENING.

$$

MTF




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