Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 172051
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
251 PM CST WED DEC 17 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 29.8 INCHES OVER SOUTHERN ONTARIO WILL
BE ABSORBED BY STRONGER LOW PRESSURE OF 29.5 INCHES MOVING NORTH
ALONG THE NEW ENGLAND COAST THIS EVENING. THIS LOW WILL DEEPEN TO
29.3 INCHES AS IT SLOWLY LIFTS NORTHEAST TONIGHT AND THURSDAY.
HIGH PRESSURE OF 30.4 INCHES EXTENDS FROM MANITOBA THROUGH THE
LOWER MISSISSIPPI VALLEY AND WILL SLOWLY BUILD EAST ACROSS THE
GREAT LAKES REGION THURSDAY AND FRIDAY. THIS HIGH WILL CONTINUE
SLOWLY MOVING EAST ACROSS NEW ENGLAND THIS WEEKEND WHILE LOW
PRESSURE OF 29.5 INCHES DROPS OUT OF THE NORTHERN ROCKIES AND
MOVES OUT OVER THE NORTHERN PLAINS. THE LOW IS EXPECTED TO TRACK
ACROSS THE NORTHERN PLAINS TO THE UPPER MISSISSIPPI VALLEY BY
TUESDAY.

LMZ261-362-364-366-563-565-567-868-180430-
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-
251 PM CST WED DEC 17 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTHWEST WINDS TO 30 KT BECOMING NORTH 20 TO 25 KT.
CHANCE OF SNOW SHOWERS THIS EVENING...THEN SLIGHT CHANCE OF SNOW
SHOWERS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT IN
THE AFTERNOON. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS TO 30 KT. CHANCE OF RAIN OR SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-180430-
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-
251 PM CST WED DEC 17 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
SUBSIDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
15 KT OVERNIGHT. WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT VEERING TO SOUTHEAST.
WAVES 1 TO 3 FT.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST
10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS TO 30 KT. CHANCE OF RAIN OR SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ761-180430-
MAFOR 1722/
MICHIGAN NORTH 14740 14830. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT OVERNIGHT AND THURSDAY.

MICHIGAN SOUTH 14740 14730. CHANCE OF SNOW SHOWERS. WAVES 4 TO 6
FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 6 FT OCCASIONALLY TO 8
FT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT THURSDAY.

$$

KREIN




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