Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 242038
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
238 PM CST WED DEC 24 2014

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 29.3 INCHES NEAR DETROIT WILL MOVE
NORTHEAST TO GEORGIAN BAY EARLY TONIGHT AS IT DEEPENS TO 28.9
INCHES. HIGH PRESSURE WILL MOVE ALONG THE GULF COAST INTO THURSDAY
WITH A RIDGE AXIS AVERAGING ABOUT 30.0 INCHES CROSSING LAKE
MICHIGAN. THE HIGH WILL THEN SHIFT EAST WITH WEAK LOW PRESSURE
STRETCHING FROM THE TEXAS PANHANDLE TO LAKE SUPERIOR BY FRIDAY...
BEFORE A MORE CONSOLIDATED SURFACE LOW MOVES ACROSS THE WESTERN
LAKES OVER THE WEEKEND.

LMZ261-362-364-366-563-565-567-868-250300-
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-
238 PM CST WED DEC 24 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT THIS
EVENING...THEN BECOMING WEST TOWARD MORNING. CHANCE OF RAIN OR
SNOW THIS EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.THURSDAY...WEST WINDS TO 30 KT BECOMING SOUTHWEST 20 TO 25 KT.
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SNOW IN THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST
10 TO 15 KT OVERNIGHT. CHANCE OF SNOW OR RAIN OVERNIGHT. WAVES 2
TO 4 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW OR RAIN.
WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW.
WAVES 2 TO 4 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SNOW. WAVES 2
TO 4 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES
2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250300-
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-
238 PM CST WED DEC 24 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHWEST WINDS 10 TO 20 KT INCREASING TO 30 KT THIS
EVENING...THEN BECOMING WEST TOWARD MORNING. CHANCE OF RAIN OR
SNOW THIS EVENING...THEN CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 6 TO 9 FT OCCASIONALLY
TO 11 FT.
.THURSDAY...WEST WINDS TO 30 KT BECOMING SOUTHWEST 20 TO 25 KT.
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.THURSDAY NIGHT...SOUTH WINDS 20 TO 25 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
RAIN OR SNOW OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT. CHANCE OF RAIN. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.MONDAY...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ761-250300-
MAFOR 2422/
MICHIGAN NORTH 11720 11730 12740 12640 12530. CHANCE OF RAIN OR
SNOW THIS EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING
TO 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT...SUBSIDING TO 4 TO 6
FT OCCASIONALLY TO 8 FT THURSDAY AFTERNOON.

MICHIGAN SOUTH 11727 11730 12740 12640 12530. CHANCE OF RAIN OR
SNOW THIS EVENING. CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT BUILDING TO 6 TO 9 FT OCCASIONALLY
TO 11 FT TONIGHT...SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
THURSDAY AFTERNOON.

$$





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