Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 012047
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CST SUN MAR 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...
A COLD FRONT TRAILING FROM LOW PRESSURE OVER HUDSON BAY WILL
CROSS LAKE MICHIGAN THIS EVENING. HIGH PRESSURE OF 30.6 INCHES
WILL THEN SPREAD FROM THE CENTRAL PLAINS INTO THE SOUTHERN GREAT
LAKES ON MONDAY. THE HIGH WILL CONTINUE TO MOVE EAST MONDAY NIGHT
AS LOW PRESSURE OF 29.5 INCHES DEVELOPS OVER THE PLAINS. THE LOW
WILL CROSS LAKE MICHIGAN BY TUESDAY EVENING WHILE DEEPENING TO
29.4 INCHES...AND WILL CONTINUE INTO NORTHEAST CANADA ON WEDNESDAY
AS HIGH PRESSURE OF 30.6 INCHES SPREADS ACROSS THE PLAINS. THE
HIGH WILL MOVE TO THE MID MISSISSIPPI VALLEY ON THURSDAY AND THEN
GRADUALLY SLIDE SOUTHEAST THROUGH FRIDAY.

LMZ261-362-364-563-020445-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
247 PM CST SUN MAR 1 2015

STURGEON BAY WI TO POINT BETSIE MI NORTH

.TONIGHT...SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST THIS EVENING
WITH A FEW GUSTS TO 30 KT THEN NORTHWEST 10 TO 20 KT BY DAYBREAK.
SCATTERED SNOW SHOWERS.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT
EARLY IN THE AFTERNOON THEN BECOMING SOUTHWEST 5 TO 10 KT LATE.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT
BY DAYBREAK. CHANCE OF SNOW OVERNIGHT.
.TUESDAY...SOUTH WINDS 20 TO 25 KT BECOMING SOUTHWEST 15 TO 25 KT
LATE. SNOW.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT OVERNIGHT. CHANCE OF SNOW
IN THE EVENING...THEN SNOW SHOWERS LIKELY OVERNIGHT.
.WEDNESDAY...WEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW
SHOWERS.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST
10 TO 15 KT OVERNIGHT. SLIGHT CHANCE OF SNOW SHOWERS.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
IN THE EVENING. SLIGHT CHANCE OF SNOW SHOWERS.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT INCREASING TO 30 KT IN THE
AFTERNOON THEN BECOMING WEST 10 TO 15 KT OVERNIGHT. SLIGHT CHANCE
OF SNOW SHOWERS.

WAVE FORECAST OMITTED DUE TO EXTENSIVE ICE COVERAGE

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-020445-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 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 PENTWATER TO MANISTEE MI 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-
247 PM CST SUN MAR 1 2015

STURGEON BAY WI TO POINT BETSIE MI SOUTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO 30 KT
LATE THIS EVENING... THEN DIMINISHING TO 15 TO 25 KT LATE.
FREEZING SPRAY. SCATTERED SNOW SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
OVERNIGHT.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 5 TO 10 KT
EARLY IN THE AFTERNOON THEN BECOMING SOUTHWEST LATE. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KT EARLY INCREASING TO 20 TO
25 KT OVERNIGHT. CHANCE OF SNOW AND FREEZING RAIN OVERNIGHT.
WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT OVERNIGHT.
.TUESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. SNOW... RAIN
AND FREEZING RAIN OR SLEET IN THE MORNING...THEN RAIN OR SNOW OR
SLEET LIKELY IN THE AFTERNOON. WAVES BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.TUESDAY NIGHT...WEST WINDS 20 TO 25 KT BECOMING NORTHWEST TO
30 KT OVERNIGHT. CHANCE OF RAIN OR SNOW IN THE EVENING...THEN
CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST TO 30 KT
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO
20 KT OVERNIGHT. CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO 25 KT
OVERNIGHT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT IN THE AFTERNOON.
.FRIDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT
OVERNIGHT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 6 TO
9 FT OCCASIONALLY TO 11 FT THEN SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT OVERNIGHT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ761-020445-
MAFOR 0122/
MICHIGAN NORTH 11530 13630 12720 11710 11600. SCATTERED SNOW
SHOWERS TONIGHT.

MICHIGAN SOUTH 11530 11630 12740 11730 11720 11710 11600.
FREEZING SPRAY TONIGHT. SCATTERED SNOW SHOWERS TONIGHT. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT OVERNIGHT AND THEN SUBSIDING TO 1 TO 3 FT MONDAY AFTERNOON.

$$

RC




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