Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 141441
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
841 AM CST SUN DEC 14 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 30.2 INCHES OVER THE OHIO RIVER
VALLEY WILL MOVE LITTLE TODAY BEFORE SHIFTING EAST TONIGHT INTO
MONDAY. MEANWHILE...LOW PRESSURE OF 29.7 INCHES ACROSS THE
NORTHERN PLAINS THIS MORNING WILL MOVE TO LAKE SUPERIOR BY
AFTERNOON. STRONGER LOW PRESSURE OF 29.5 INCHES WILL DEVELOP
TONIGHT ACROSS THE CENTRAL PLAINS AND MOVE TO SOUTHERN LAKE
MICHIGAN BY EARLY TUESDAY MORNING. THIS LOW WILL CONTINUE TO
SOUTHERN ONTARIO TUESDAY NIGHT. HIGH PRESSURE OF 30.3 INCHES WILL
THEN BUILD OVER THE NORTHERN AND WESTERN GREAT LAKES ON THURSDAY.
LOW PRESSURE AROUND 29.8 INCHES IS EXPECTED TO MOVE NORTHEAST
THROUGH THE OHIO RIVER VALLEY REGION SOMETIME LATE IN THE WEEK
INTO EARLY NEXT WEEKEND.

LMZ261-362-364-366-563-565-567-868-142230-
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-
841 AM CST SUN DEC 14 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH.
AREAS OF FOG. PATCHY DRIZZLE. SLIGHT CHANCE OF RAIN THIS AFTERNOON.
WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT AFTER
MIDNIGHT. AREAS OF DENSE FOG. CHANCE OF RAIN. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 20 KT. PATCHY FOG. CHANCE OF RAIN.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. PATCHY FOG. RAIN.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30
KT FROM LATE MORNING ON. RAIN OR SNOW LIKELY IN THE
MORNING...THEN SNOW LIKELY. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 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 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-142230-
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-
841 AM CST SUN DEC 14 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH.
AREAS OF FOG. PATCHY DRIZZLE. SLIGHT CHANCE OF RAIN THIS
AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT
FROM LATE EVENING ON. AREAS OF DENSE FOG. CHANCE OF RAIN. WAVES
2 TO 4 FT.
.MONDAY...SOUTH WINDS 15 TO 20 KT BECOMING SOUTHEAST LATE IN THE
DAY. PATCHY FOG. CHANCE OF RAIN. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH 10 TO
20 KT. PATCHY FOG. RAIN. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TO 30 KT BY
EARLY AFTERNOON. CHANCE OF RAIN IN THE MORNING...THEN CHANCE OF
SNOW OR RAIN. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.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. CHANCE OF SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$
LMZ761-142230-
MAFOR 1416/
MICHIGAN NORTH 11513 12413 12414 13424. PATCHY DRIZZLE TODAY.
CHANCE OF RAIN TONIGHT AND MONDAY MORNING. WAVES 1 TO 3 FT TODAY.
WAVES 2 TO 4 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
MONDAY MORNING.

MICHIGAN SOUTH 11513 12413 11414 14424. PATCHY DRIZZLE TODAY.
CHANCE OF RAIN TONIGHT AND MONDAY MORNING. WAVES 1 TO 3 FT TODAY.
WAVES 2 TO 4 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
MONDAY MORNING.

$$

BMD



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