Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 210747
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 AM CDT TUE OCT 21 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 OF 29.8 INCHES NEAR LAKE ONTARIO WILL
MOVE SOUTHEAST OFF THE MID ATLANTIC COAST WEDNESDAY MORNING...
THEN DEEPEN TO 29.4 INCHES AS IT MOVES ALONG THE NEW ENGLAND
COAST THURSDAY AND THURSDAY NIGHT. HIGH PRESSURE OF 30.2 INCHES
OVER ONTARIO WILL STRENGTHEN TO 30.5 INCHES AS IT MOVES EAST
INTO QUEBEC TONIGHT AND WEDNESDAY. A WEAKER RIDGE OF 30.3 INCHES
WILL MOVE ACROSS THE LAKE TONIGHT INTO WEDNESDAY MORNING...THEN
BEGIN TO WEAKEN AS IT REMAINS NEARLY STATIONARY OVER THE EASTERN
LAKES THURSDAY.

LMZ261-362-364-366-563-565-567-868-211400-
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-
247 AM CDT TUE OCT 21 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTH WINDS TO 30 KT BECOMING NORTHEAST AND DIMINISHING
TO 15 TO 20 KT THIS AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10
FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT THIS AFTERNOON.
.TONIGHT...EAST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT LATE.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 1 TO 3 FT
OVERNIGHT.
.WEDNESDAY...EAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH.
WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTH 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 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-211400-
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-
247 AM CDT TUE OCT 21 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTH WINDS TO 30 KT DIMINISHING TO 20 TO 25 KT THIS
AFTERNOON. CHANCE OF SHOWERS THIS MORNING. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 10 TO 15
KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
.WEDNESDAY...NORTHEAST WINDS AROUND 10 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES
1 TO 2 FT.
.THURSDAY...SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS IN
THE AFTERNOON. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. 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.

$$

LMZ761-211400-
MAFOR 2109/
MICHIGAN NORTH 12840 11140 11130 11120 12210 11200. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT THIS AFTERNOON AND TO 1 TO 3 FT OVERNIGHT.

MICHIGAN SOUTH 13840 12830 12120 11210. CHANCE OF SHOWERS THIS
MORNING. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 4
TO 7 FT OCCASIONALLY TO 9 FT THIS EVENING AND TO 2 TO 4 FT
OVERNIGHT.

$$




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