Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 012000
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT WED APR 1 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...LOW PRESSURE AT 29.3 INCHES ACROSS SOUTHERN MANITOBA WILL
MOVE TO WESTERN ONTARIO TONIGHT. THIS LOW WILL DRIVE A COLD FRONT
ACROSS THE LAKE ON THURSDAY. A SECONDARY LOW PRESSURE AREA OF 29.6
INCHES WILL DEVELOP OVER MISSOURI THURSDAY NIGHT INTO EARLY
FRIDAY AND MOVE NORTHEAST ALONG THE FRONT FRIDAY. A RIDGE OF HIGH
PRESSURE WILL THEN BUILD ACROSS THE LAKE FRIDAY NIGHT INTO
SATURDAY.

LMZ261-362-364-366-563-565-567-868-020315-
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-
300 PM CDT WED APR 1 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTH WINDS TO 30 KT. BRIEF GALES FORCE GUSTS TO 35
KT. CHANCE OF SHOWERS THIS EVENING...THEN SHOWERS LIKELY
OVERNIGHT. WAVES BUILDING TO 6 TO 10 FT OCCASIONALLY TO 12 FT.
.THURSDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT...
THEN BECOMING SOUTHWEST 10 TO 15 KT EARLY IN THE AFTERNOON.
SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO
NORTHWEST 15 TO 25 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KT BACKING TO SOUTHWEST
10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING EAST. CHANCE
OF SNOW SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY...EAST WINDS 10 TO 20 KT. CHANCE OF SNOW OR RAIN. WAVES
1 TO 3 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF RAIN AND SNOW SHOWERS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020315-
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-
300 PM CDT WED APR 1 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTH WINDS TO 30 KT. A FEW GALE FORCE GUSTS TO 35 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 5
TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST...THEN
BECOMING WEST 10 TO 15 KT EARLY IN THE AFTERNOON. SHOWERS WITH A
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN SHOWERS LIKELY IN
THE AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...WEST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT...THEN BECOMING NORTHWEST 10 TO 20 KT AFTER MIDNIGHT. WAVES
1 TO 3 FT.
.FRIDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF RAIN. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KT BACKING TO WEST 10 TO
20 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF RAIN OR
SNOW. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF RAIN OR SNOW. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.

$$

LMZ761-020315-
MAFOR 0122/
MICHIGAN NORTH 11430 11440 12450 11446 11546 11626 11610. CHANCE
OF RAIN SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO
6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
THURSDAY.

MICHIGAN SOUTH 11430 13440 11446 12536 11636. CHANCE OF RAIN
SHOWERS AND THUNDERSTORMS LATE THIS EVENING. CHANCE OF
THUNDERSTORMS THURSDAY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT. WAVES 5 TO 8
FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT THURSDAY.

$$

ED F


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