Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 201949
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 PM CDT MON OCT 20 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...LOW PRESSURE AVERAGING 29.7 INCHES NEAR NORTHERN LAKE
HURON WILL CONTINUE TO MOVE EAST TONIGHT...REACHING LAKE ONTARIO
BY TUESDAY MORNING. WEAK HIGH PRESSURE OF 30.1 INCHES TRAILING
THIS LOW WILL SLOWLY STRENGTHEN TO 30.4 INCHES AS IT MOVES ACROSS
ONTARIO AND INTO QUEBEC BY TUESDAY NIGHT. A RIDGE AXIS AVERAGING
30.3 INCHES WILL EXTEND SOUTHWEST FROM THIS HIGH ACROSS THE
WESTERN LAKES TUESDAY THROUGH MUCH OF THE REMAINDER OF THE WORK
WEEK.

LMZ261-362-364-366-563-565-567-868-210345-
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-
249 PM CDT MON OCT 20 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTH WINDS TO 15 TO 25 KT..INCREASING TO 30 KT. CHANCE
OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 5 TO
8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...NORTH WINDS TO 30 KT. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT.
.TUESDAY NIGHT...EAST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
LATE. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT
OVERNIGHT.
.WEDNESDAY...EAST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH.
WAVES 2 FT OR LESS.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SATURDAY...WEST WINDS 15 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-210345-
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-
249 PM CDT MON OCT 20 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTH WINDS 15 TO 25 KT INCREASING TO 30 KT. CHANCE OF
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT OVERNIGHT.
.TUESDAY...NORTH WINDS TO 30 KT. SLIGHT CHANCE OF SHOWERS IN THE
MORNING. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.TUESDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
15 KT LATE. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES SUBSIDING TO 1 TO
3 FT.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KT VEERING TO SOUTH. WAVES
1 TO 3 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$

LMZ761-210345-
MAFOR 2021/
MICHIGAN NORTH 12830 15840. CHANCE OF SHOWERS TONIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT
TONIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT TUESDAY.

MICHIGAN SOUTH 12830 15840. CHANCE OF SHOWERS TONIGHT. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT
TONIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT TUESDAY.

$$

BEACHLER






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