Great Lakes Forecast
Issued by NWS

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967
FZUS63 KLOT 051412
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
812 AM CST FRI FEB 5 2016

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...LOW PRESSURE OF 30.2 INCHES OVER SOUTHERN ONTARIO WILL
WEAKEN AND MOVE INTO WESTERN QUEBEC BY AFTERNOON...WITH A TRAILING
COLD FRONT MOVING EAST OF THE LAKE. A WEAK RIDGE OF HIGH PRESSURE
AVERAGING 30.3 INCHES WILL MOVE OVER THE LAKE LATE THIS AFTERNOON
AND THIS EVENING. LOW PRESSURE OF 29.9 INCHES WILL THEN MOVE ACROSS
CENTRAL ONTARIO LATE TONIGHT INTO SATURDAY MORNING. A STRONGER LOW
OF 29.6 INCHES WILL MOVE FROM NORTHERN MINNESOTA ON SUNDAY TO
SOUTHERN LAKE MICHIGAN BY MONDAY MORNING. THIS LOW WILL THEN SLOWLY
PUSH TO THE EASTERN GREAT LAKES BY LATE MONDAY NIGHT WITH A HIGH
PRESSURE RIDGE OF 30.2 INCHES BUILDING INTO THE UPPER MIDWEST ON
TUESDAY.

LMZ261-362-364-366-563-565-567-868-052215-
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-
812 AM CST FRI FEB 5 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST BY
DAYBREAK...THEN BECOMING WEST 10 TO 15 KT DURING THE AFTERNOON.
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN
THE AFTERNOON.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
LATE IN THE EVENING...AND THEN TO 30 KT AFTER MIDNIGHT. CHANCE OF
SNOW SHOWERS...MAINLY OVERNIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT BY
EARLY AFTERNOON...AND THEN 10 TO 20 KT BY LATE AFTERNOON. CHANCE
OF SNOW SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF RAIN AND SNOW
SHOWERS IN THE MORNING...THEN RAIN AND SNOW SHOWERS LIKELY IN THE
AFTERNOON. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SNOW AND SHOWERS. WAVES DIMINISHING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT VEERING TO NORTHWEST 15 TO
25 KT IN THE AFTERNOON...THEN BECOMING NORTH TO 30 KT IN THE
EVENING. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT BUILDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-052215-
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-
812 AM CST FRI FEB 5 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST 10 TO 20 KT
SOON AFTER DAYBREAK...THEN BECOMING WEST 10 TO 15 KT LATE IN THE
AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT.
.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
LATE IN THE EVENING...THEN INCREASING TO 15 TO 25 KT AFTER
MIDNIGHT. SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 1 TO 3
FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 15 TO 20
KT IN THE AFTERNOON. PERIODS OF FLURRIES IN THE MORNING. WAVES 3
TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF RAIN AND SNOW
SHOWERS IN THE MORNING...THEN CHANCE OF RAIN SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF RAIN AND
SNOW SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST...THEN
BECOMING NORTH TO 30 KT MONDAY NIGHT. CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT LATE
MONDAY NIGHT.
.TUESDAY...NORTHWEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.

$$
LMZ761-052215-
MAFOR 0516/

MICHIGAN NORTH 11720 11620 11610 11520 11530 11540 11640. CHANCE
OF SNOW SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT THIS
AFTERNOON. WAVES 2 TO 4 FT EARLY THIS EVENING BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT OVERNIGHT AND EARLY SATURDAY.

MICHIGAN SOUTH 12720 12610 11520 13530. CHANCE OF SNOW SHOWERS
THIS AFTERNOON. WAVES 2 TO 4 FT TODAY. WAVES 1 TO 3 FT THIS
EVENING BUILDING TO 3 TO 6 FT OCCASIONALLY TO 8 FT OVERNIGHT AND
EARLY SATURDAY.

$$



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