Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 190845 CCA
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN...CORRECTED
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
241 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 ACROSS THE
SOUTHERN HALF OF THE LAKE EARLY THIS MORNING WILL DISSIPATE BY
MIDDAY. HIGH PRESSURE AVERAGING 30.2 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 29.9 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.


LMZ261-362-364-366-563-565-567-868-191630-
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-
241 AM CST MON JAN 19 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST BY LATE
MORNING...THEN DIMINISHING TO 5 TO 10 KT EARLY IN THE AFTERNOON.
WAVES 2 TO 4 FT.
.TONIGHT...NORTHEAST WINDS 5 TO 10 KT BECOMING EAST 10 TO 15 KT
AFTER MIDNIGHT. CHANCE OF SNOW IN THE 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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191630-
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-
241 AM CST MON JAN 19 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST BY LATE
MORNING...THEN DIMINISHING TO 5 TO 10 KT EARLY IN THE AFTERNOON.
WAVES 2 TO 4 FT.
.TONIGHT...EAST WINDS 10 TO 15 KT BECOMING SOUTHEAST. SLIGHT CHANCE
OF
SNOW. WAVES 1 TO 3 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. 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.

$$

LMZ761-191630-
MAFOR 1910/
MICHIGAN NORTH 12810 19820 11110 14100 11217. CHANCE OF SNOW THIS
EVENING. WAVES 2 TO 4 FT TODAY SUBSIDING TO 1 TO 3 FT TONIGHT.

MICHIGAN SOUTH 12810 19820 11110 12100 12210 11310. WAVES 2 TO 4
FT TODAY SUBSIDING TO 1 TO 3 FT TONIGHT.

$$

MTF








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