Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 280752
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
252 AM CDT SAT MAR 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 30.4 INCHES WILL BE CENTERED OVER
LAKE MICHIGAN TODAY. THIS FEATURE WILL DRIFT SLOWLY SOUTHEAST
TONIGHT AND TO THE MID ATLANTIC REGION ON SUNDAY. MEANWHILE LOW
PRESSURE OF 29.4 INCHES ACROSS MANITOBA THIS EVENING WILL MOVE TO
CENTRAL ONTARIO BY MIDDAY SUNDAY AND DEEPEN TO 29.2 INCHES AS IT
DOES...BRINGING WIDESPREAD GALES TO THE LAKE. AS THIS CONTINUES
EAST...THIS WILL STEER A COLD FRONT ACROSS THE LAKE BY EARLY
EVENING SUNDAY. A WEAK HIGH PRESSURE RIDGE OF 30.0 INCHES WILL
THEN MOVE OVER THE LAKE MONDAY NIGHT BEFORE LOW PRESSURE OF AROUND
29.7 INCHES MOVES ACROSS OR NEAR THE LAKE ON TUESDAY.


LMZ261-362-364-366-563-565-567-868-281530-
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-
252 AM CDT SAT MAR 28 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...

.TODAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO 20 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT EARLY THIS EVENING
INCREASING TO GALES TO 35 KT LATE. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.SUNDAY...SOUTHWEST GALES TO 45 KT DIMINISHING TO 40 KT LATE IN
THE DAY. RAIN OR SNOW. WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT.
.SUNDAY NIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST AFTER
MIDNIGHT. CHANCE OF RAIN OR SNOW IN THE EVENING. WAVES SUBSIDING
TO 4 TO 7 FT OCCASIONALLY TO 9 FT LATE.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES SUBSIDING TO 2 TO 4 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING EAST. CHANCE
OF SNOW. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTH TUESDAY
NIGHT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-281530-
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-
252 AM CDT SAT MAR 28 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...

.TODAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO AROUND 10 KT
LATE THIS MORNING AND BECOMING VARIABLE THIS AFTERNOON. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT BY MIDDAY.
.TONIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO GALES TO 35 KT
LATE. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH GALES TO 40 KT BECOMING SOUTHWEST IN THE AFTERNOON.
RAIN OR SNOW. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT.
.SUNDAY NIGHT...WEST WINDS TO 30 KT. WAVES SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT LATE.
.MONDAY...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT IN
THE AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. CHANCE OF RAIN. WAVES 1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING SOUTHEAST 10 TO
15 KT TUESDAY NIGHT. WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 2 TO 4 FT.

$$

LMZ761-281530-
MAFOR 2810/
MICHIGAN NORTH...GALE WARNING IN EFFECT...13900 11510 11520 11530
12540. WAVES 1 TO 3 FT TODAY. WAVES BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT THIS EVENING...FURTHER BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT LATE.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11120 11110 11100 11900
11910 11420 11430 11440. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
SUBSIDING TO 1 TO 3 FT BY MIDDAY. WAVES 2 TO 4 FT THIS EVENING
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT LATE.

$$

MTF


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