Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 150835
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
235 AM CST MON DEC 15 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...HIGH PRESSURE OF 30.1 INCHES ACROSS THE UPPER OHIO
RIVER VALLEY WILL MOVE EAST TODAY WHILE LOW PRESSURE OF 29.5
INCHES MOVES FROM KANSAS THIS MORNING TO SOUTHERN LAKE MICHIGAN BY
EARLY TUESDAY MORNING. THIS LOW WILL THEN MOVE TO THE EASTERN
GREAT LAKES BY TUESDAY NIGHT...WEAKENING SLIGHTLY TO 29.7 INCHES.
MEANWHILE...HIGH PRESSURE OF 30.5 INCHES ACROSS SOUTHERN CANADA
WILL GRADUALLY BUILD INTO THE UPPER MIDWEST TUESDAY NIGHT. THIS
WILL THEN EXPAND INTO THE WESTERN GREAT LAKES BY WEDNESDAY NIGHT
AND THURSDAY...WEAKENING TO 30.3 INCHES. LOW PRESSURE AROUND 29.8
INCHES WILL MOVE UP THE OHIO RIVER VALLEY REGION SOMETIME EARLY
IN THE WEEKEND.


LMZ261-362-364-366-563-565-151630-
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-
235 AM CST MON DEC 15 2014

TWO RIVERS WI TO MANISTEE MI NORTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TODAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT BY
EARLY AFTERNOON. AREAS OF DENSE FOG AND DRIZZLE. A CHANCE OF
RAIN...MAINLY LATE THIS AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 3
TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 20 KT BACKING EAST AND DIMINISHING TO
10 TO 15 KT AFTER MIDNIGHT. AREAS OF FOG. RAIN. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH TO 30 KT
BY LATE MORNING...THEN BECOMING NORTHWEST IN THE AFTERNOON. AREAS
OF FOG IN THE MORNING. RAIN OR SNOW. WAVES 2 TO 4 FT BUILDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW
SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...NORTHWEST WINDS 20 TO 25 KT. SNOW SHOWERS LIKELY.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-151630-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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-
235 AM CST MON DEC 15 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING...

.TODAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO 25 KT BY
EARLY AFTERNOON. AREAS OF DENSE FOG AND DRIZZLE. RAIN LIKELY THIS
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15 KT
LATE. AREAS OF FOG. RAIN. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...VARIABLE WINDS 5 TO 10 KT EARLY BECOMING NORTHWEST 15
TO 25 KT LATE IN THE MORNING...THEN BECOMING NORTHWEST TO 30 KT
EARLY IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. RAIN LIKELY
IN THE MORNING...THEN CHANCE OF RAIN OR SNOW. WAVES 2 TO 4 FT
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW
SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY...NORTHWEST WINDS 20 TO 25 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ761-151630-
MAFOR 1510/
MICHIGAN NORTH 13424 12434 12426 11316. CHANCE OF RAIN LATE THIS
AFTERNOON. AREAS OF FOG TONIGHT. WAVES 2 TO 4 FT BUILDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON AND PERSISTING TONIGHT.

MICHIGAN SOUTH 13424 12334 19336 12336 11326. AREAS OF FOG
TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

MTF







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