Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 191442
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
842 AM CST MON JAN 19 2015

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...A WEAK COLD FRONT DRAPED FROM WEST TO EAST OVER THE
FAR SOUTHERN END OF THE LAKE WILL DISSIPATE BY MIDDAY. HIGH
PRESSURE AVERAGING 30.3 INCHES WILL REMAIN OVER EASTERN ONTARIO
THROUGH TUESDAY NIGHT AS A SERIES OF LOW PRESSURE SYSTEMS PASS TO
ITS SOUTH. A FIRST LOW PRESSURE OF 29.8 INCHES WILL MOVE FROM THE
NORTHERN PLAINS THIS AFTERNOON TO THE FAR SOUTHERN TIP OF LAKE
MICHIGAN BY LATE TONIGHT. A SECOND LOW AROUND 30.0 INCHES WILL
MOVE SLIGHTLY SOUTH OF ITS PREDECESSOR LATE TUESDAY NIGHT INTO
WEDNESDAY. WEAK HIGH PRESSURE AVERAGING 30.2 INCHES WILL THEN MOVE
OVER THE LAKE DURING MIDWEEK.

LMZ261-362-364-366-563-565-567-868-192230-
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-
842 AM CST MON JAN 19 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...NORTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT IN THE AFTERNOON. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST...AND THEN
INCREASING TO 10 TO 15 KT AFTER MIDNIGHT. CHANCE OF SNOW IN THE
EARLY EVENING...THEN SNOW OVERNIGHT. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SNOW...MAINLY IN
THE MORNING. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SNOW.
WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 5 TO 10 KT BECOMING WEST.
CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
DURING THE NIGHT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-192230-
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-
842 AM CST MON JAN 19 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST LATE.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON.
.TONIGHT...EAST WINDS 10 TO 15 KT BECOMING VARIABLE. SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FT.
.TUESDAY...VARIABLE WINDS 10 TO 15 KT BECOMING NORTHEAST. CHANCE
OF SNOW. WAVES 2 TO 4 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SNOW. WAVES 2 TO 4 FT.
.WEDNESDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SNOW. WAVES 2 TO
4 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
DURING THE NIGHT. SLIGHT CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$
LMZ761-192230-
MAFOR 1916/
MICHIGAN NORTH 11110 13100 11207 12217 11210. CHANCE OF SNOW IN
THE EARLY EVENING AND TUESDAY MORNING. WAVES 2 TO 4 FT SUBSIDING
TO 1 TO 3 FT THIS AFTERNOON. WAVES 1 TO 3 FT TONIGHT. WAVES 2 TO 4
FT TUESDAY MORNING.

MICHIGAN SOUTH 12100 11200 12210 13910. CHANCE OF SNOW TUESDAY
MORNING. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT THIS AFTERNOON.
WAVES 1 TO 3 FT TONIGHT. WAVES 2 TO 4 FT TUESDAY MORNING.

$$

JEE




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