Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 220137
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
837 PM CDT SAT MAR 21 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 OF 29.6 INCHES IS APPROACHING MAINE WITH
A COLD FRONT STRETCHING SOUTH ACROSS THE APPALACHIANS. HIGH
PRESSURE OF 30.5 INCHES IS CENTERED OVER CENTRAL WITH RIDGING
EXTENDING ACROSS THE WESTERN GREAT LAKES. THE RIDGE WILL SHIFT
EAST ACROSS THE EASTERN LAKES BY MONDAY NIGHT. MEANWHILE...LOW
PRESSURE OF 29.6 INCHES WILL FORM OVER THE NORTHERN PLAINS MONDAY
THEN MOVE ACROSS LAKE MICHIGAN WEDNESDAY. ANOTHER HIGH OF 30.4
INCHES WILL BUILD OVER THE CANADIAN PRAIRIES WEDNESDAY
NIGHT...THEN DROP INTO THE CENTRAL PLAINS BY FRIDAY.

LMZ261-362-364-366-563-565-567-868-220945-
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-
837 PM CDT SAT MAR 21 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH
10 TO 15 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.MONDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.
.MONDAY NIGHT...EAST WINDS AROUND 10 KT BECOMING SOUTHEAST. WAVES
1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT.
SNOW OR RAIN LIKELY. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. RAIN AND
SNOW SHOWERS LIKELY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-220945-
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-
837 PM CDT SAT MAR 21 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST. CHANCE
OF SNOW. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING SOUTHEAST
10 TO 20 KT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF RAIN IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. RAIN
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT.
.THURSDAY...NORTH WINDS TO 30 KT. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$
LMZ761-220945-
MAFOR 2204/
MICHIGAN NORTH 11120 14810 13820. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUNDAY
SUBSIDING TO 2 TO 4 FT SUNDAY EVENING.

MICHIGAN SOUTH 15120 11520 11530. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUNDAY AND
SUNDAY EVENING.

$$


KREIN


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