Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 221341
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
841 AM CDT SUN MAR 22 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 30.5 INCHES IS CENTERED OVER CENTRAL
MANITOBA WITH RIDGING EXTENDING ACROSS THE WESTERN GREAT LAKES
LATE THIS MORNING. THIS RIDGE WILL SHIFT EAST ACROSS THE EASTERN
LAKES BY MONDAY NIGHT. MEANWHILE...LOW PRESSURE OF 29.6 INCHES
WILL FORM OVER THE 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.

LMZ261-362-364-366-563-565-567-868-222145-
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-
841 AM CDT SUN MAR 22 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20
KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.TONIGHT...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 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. 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.
RAIN...FREEZING RAIN AND SNOW. WAVES 2 TO 4 FT BUILDING TO 5 TO 8
FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. SHOWERS
LIKELY WITH SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222145-
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-
841 AM CDT SUN MAR 22 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 15 TO
20 KT THIS AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 10 TO 20 KT.
SLIGHT CHANCE OF SNOW. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. CHANCE OF
FREEZING DRIZZLE...SNOW AND RAIN IN THE MORNING. WAVES SUBSIDING
TO 2 TO 4 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
LATE. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH. SHOWERS
WITH A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.WEDNESDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST. GALE FORCE
GUSTS TO 35 KT POSSIBLE. CHANCE OF SHOWERS. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.THURSDAY...NORTHWEST WINDS TO 30 KT BECOMING NORTH. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT.

$$
LMZ761-222145-
MAFOR 2216/
MICHIGAN NORTH 12810 19710 12820 13110 11210. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT TODAY. WAVES 1 TO 3 FT TONIGHT AND MONDAY
MORNING.

MICHIGAN SOUTH 12120 11820 12130 11120 11220 11210. SLIGHT CHANCE
OF SNOW OVERNIGHT THEN A CHANCE OF SNOW...RAIN AND FREEZING
DRIZZLE MONDAY MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

MDB


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