Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 170850
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 AM 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 29.7 INCHES NEAR LAKE ONTARIO...WILL
MOVE EAST THIS MORNING AND BE ABSORBED BY STRONGER LOW PRESSURE
MOVING NORTH ALONG THE NEW ENGLAND COAST. 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 TO THE CENTRAL
PLAINS AND WILL SLOWLY BUILD EAST ACROSS THE LAKES REGION THURSDAY
THROUGH FRIDAY. THIS HIGH WILL CONTINUE SLOWLY MOVING EAST ACROSS
NEW ENGLAND AND THE MID ATLANTIC THIS WEEKEND.

LMZ261-362-364-366-563-565-567-868-171500-
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-
250 AM CST WED DEC 17 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TONIGHT...NORTH WINDS 20 TO 25 KT. CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTH WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...VARIABLE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SATURDAY...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES
BUILDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-171500-
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-
250 AM CST WED DEC 17 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 20 TO 25 KT
THIS AFTERNOON. SNOW SHOWERS LIKELY. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT SUBSIDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT THIS
AFTERNOON.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KT. CHANCE OF SNOW SHOWERS
IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT VEERING TO SOUTH.
WAVES 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 5 TO 10 KT. WAVES AROUND 1 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES BUILDING TO 2 TO 4 FT.

$$

LMZ761-171500-
MAFOR 1710/
MICHIGAN NORTH 13747 12737 13830. CHANCE OF SNOW SHOWERS TONIGHT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT TODAY SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT TONIGHT.

MICHIGAN SOUTH 13747 14730 11730. CHANCE OF SNOW SHOWERS TONIGHT.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT TODAY SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT TONIGHT.

$$




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