Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 280155
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
855 PM CDT FRI MAR 27 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...A LARGE AREA OF HIGH PRESSURE OF 30.2 INCHES EXTENDS
FROM THE NORTHERN LAKES TO THE CENTRAL PLAINS. THIS HIGH WILL
MOVE TO THE SOUTHEAST U.S. SATURDAY NIGHT AS IT STRENGTHENS TO
30.4 INCHES. LOW PRESSURE OF 29.4 INCHES WILL MOVE FROM SOUTHERN
MANITOBA SATURDAY EVENING...TO NEAR JAMES BAY SUNDAY NIGHT AS IT
DEEPENS TO 29.3 INCHES. A TRAILING COLD FRONT WILL MOVE ACROSS THE
LAKE SUNDAY AFTERNOON INTO SUNDAY EVENING. A WEAK SURFACE RIDGE
AVERAGING 30.1 INCHES WILL MOVE ACROSS THE LAKE MONDAY AFTERNOON
WITH A 29.7 INCH LOW SLIDING OVER THE LAKE TUESDAY MORNING.

LMZ261-362-364-366-563-565-567-868-280800-
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-
855 PM CDT FRI MAR 27 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST
AROUND 10 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTHWEST...THEN
INCREASING TO 10 TO 20 KT IN THE AFTERNOON. WAVES SUBSIDING TO 2
TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST GALES
TO 35 KT. 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. RAIN OR SNOW. WAVES 12 TO 16
FT OCCASIONALLY TO 20 FT.
.SUNDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF RAIN OR SNOW IN
THE EVENING. WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT SUBSIDING TO
4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 15 KT
IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SNOW. WAVES
1 TO 3 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH 10 TO
20 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
CHANCE OF RAIN OR SNOW. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280800-
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-
855 PM CDT FRI MAR 27 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY
EVENING...

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST
10 TO 15 KT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING VARIABLE LESS
THAN 10 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2
TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO GALES TO
35 KT. WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT.
.SUNDAY...SOUTH GALES TO 40 KT BECOMING SOUTHWEST. RAIN OR SNOW
LIKELY. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT.
.SUNDAY NIGHT...WEST WINDS TO 30 KT. WAVES 8 TO 11 FT
OCCASIONALLY TO 14 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
.MONDAY...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. CHANCE OF RAIN. WAVES 1 TO 3 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO 20 KT.
WAVES 2 TO 4 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.

$$
LMZ761-280800-
MAFOR 2804/
MICHIGAN NORTH 11820 11810 11800 11900 11510 11520 11530 11440.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT OVERNIGHT. WAVES 2 TO 4 FT SATURDAY
BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT SATURDAY EVENING.

MICHIGAN SOUTH 11830 11820 13110 11900 11400 11420. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT TONIGHT SUBSIDING TO 2 TO 4 FT
SATURDAY. WAVES 2 TO 4 FT SATURDAY EVENING.

$$


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