Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 160252
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
852 PM 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 ALONG THE EASTERN
SEABOARD WILL CONTINUE TO SLOWLY MOVE OFFSHORE WHILE LOW PRESSURE
OF 29.5 INCHES MOVES FROM SOUTHEASTERN IOWA TO SOUTHERN LAKE
MICHIGAN BY EARLY TUESDAY MORNING. THIS LOW WILL THEN MOVE TO THE
EASTERN GREAT LAKES BY TUESDAY NIGHT WHILE 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. HIGH PRESSURE 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.

LMZ261-362-364-366-563-565-161045-
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-
852 PM CST MON DEC 15 2014

TWO RIVERS WI TO MANISTEE MI NORTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CST TUESDAY...

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING NORTHEAST
LATE. AREAS OF DENSE FOG. DRIZZLE AND PERIODS OF RAIN OVERNIGHT.
WAVES 2 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30
KT IN THE AFTERNOON. AREAS OF FOG IN THE MORNING. RAIN IN THE
MORNING...THEN RAIN OR SNOW LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS TO 30 KT. OCCASIONAL GALE FORCE
GUSTS TO 35 KT POSSIBLE. SNOW SHOWERS AND RAIN IN THE
EVENING...THEN SNOW SHOWERS LIKELY OVERNIGHT. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT EASING TO 20 TO 25 KT IN
THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 15 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY AND SATURDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3
FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-161045-
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-
852 PM CST MON DEC 15 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM CST TUESDAY...

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 20 KT BECOMING VARIABLE
AROUND 5 KT LATE. AREAS OF DENSE FOG. DRIZZLE OR PERIODS OF RAIN
OVERNIGHT. WAVES 2 TO 4 FT.
.TUESDAY...VARIABLE WINDS AROUND 10 KT BECOMING NORTHWEST 15 TO
25 KT BY LATE MORNING...THEN INCREASING TO 30 KT IN THE AFTERNOON.
AREAS OF FOG IN THE MORNING. RAIN LIKELY IN THE MORNING...THEN
CHANCE OF RAIN OR SNOW IN THE AFTERNOON. WAVES BUILDING TO 6 TO 9
FT OCCASIONALLY TO 11 FT IN THE AFTERNOON.
.TUESDAY NIGHT...NORTHWEST WINDS TO 30 KT. GALE FORCE GUSTS TO 35
KT POSSIBLE. RAIN AND SNOW SHOWERS LIKELY IN THE EVENING...THEN
CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT EASING TO 20 TO 25 KT IN
THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.FRIDAY AND SATURDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.


$$
LMZ761-161045-
MAFOR 1604/
MICHIGAN NORTH 11314 12214 19316 11126 11837 11847 12747. AREAS OF
DENSE FOG. RAIN AND DRIZZLE OVERNIGHT. RAIN IN THE MORNING THEN
RAIN OR SNOW LIKELY TUESDAY AFTERNOON AND EVENING. WAVES 2 TO 4 FT
OVERNIGHT...BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT
TUESDAY...AND TO 6 TO 9 FT OCCASIONALLY TO 11 FT TUESDAY EVENING.

MICHIGAN SOUTH 11326 11316 12906 11736 12746 11746. PATCHY DENSE
FOG. RAIN OR DRIZZLE OVERNIGHT. RAIN LIKELY MONDAY MORNING...WITH
RAIN AND SNOW TUESDAY AFTERNOON AND EVENING. WAVES 2 TO 4 FT
OVERNIGHT...BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT
TUESDAY...AND TO 7 TO 10 FT OCCASIONALLY TO 13 FT TUESDAY
EVENING.

$$

KJB



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