Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 160107
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
807 PM CDT WED OCT 15 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 29.8 OVER NORTHERN INDIANA WILL
SHIFT EAST INTO THURSDAY AND MERGE WITH ANOTHER LOW LIFTING ALONG
THE ATLANTIC COAST. FOLLOWING THE PASSAGE OF A WEAK SURFACE RIDGE
OF HIGH PRESSURE ON THURSDAY...ANOTHER LOW PRESSURE AROUND 29.3
INCHES IS EXPECTED TO SHIFT ACROSS THE DAKOTAS TO NEAR LAKE
SUPERIOR BY THURSDAY NIGHT. BY FRIDAY THIS NEW LOW PRESSURE IS
FORECAST TO MERGE WITH THE REMNANTS OF THE EASTERN GREAT LAKES LOW
OVER ONTARIO. AS THIS OCCURS...THE LOW IS FORECAST TO DEEPEN TO
AROUND 29.1 INCHES...WHILE MOVING JUST EAST OF JAMES BAY FRIDAY
NIGHT INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-160945-
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-
807 PM CDT WED OCT 15 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KT EASING TO 10 TO 15 KT
LATE. SCATTERED SHOWERS...MAINLY THROUGH EARLY OVERNIGHT. PATCHY
FOG. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY...NORTH WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT IN
THE AFTERNOON. ISOLATED SHOWERS. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...WEST WINDS 20 TO 25 KT INCREASING TO 30 KT. SLIGHT
CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY NIGHT...NORTHWEST WINDS TO 30 KT. SHOWERS LIKELY. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...NORTH GALES TO 35 KT. CHANCE OF SHOWERS. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT.
WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 10 TO 15 KT BACKING TO NORTHEAST. CHANCE OF
SHOWERS. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-160945-
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-
807 PM CDT WED OCT 15 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KT. SCATTERED SHOWERS
WITH PATCHY DRIZZLE. PATCHY FOG. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT
BY EARLY AFTERNOON. PATCHY FOG THROUGH MID MORNING. ISOLATED
SHOWERS. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT AFTER MIDNIGHT. WAVES 2 TO 4 FT.
.FRIDAY...WEST WINDS TO 30 KT. WAVES BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...NORTHWEST GALES TO 35 KT. CHANCE OF SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SATURDAY...NORTHWEST GALES TO 35 KT DIMINISHING TO 30 KT IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
OVERNIGHT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 2 TO
4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING NORTHWEST. CHANCE
OF SHOWERS. WAVES 1 TO 2 FT.

$$
LMZ761-160945-
MAFOR 1603/
MICHIGAN NORTH 11830 11820 12810 11710 12600 11510. SCATTERED
SHOWERS...MAINLY THROUGH EARLY OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT LATE TONIGHT. WAVES 1
TO 3 FT THURSDAY.

MICHIGAN SOUTH 12830 11820 12710 12600 11510. SCATTERED SHOWERS
WITH PATCHY DRIZZLE TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
TONIGHT. WAVES 2 TO 4 FT THURSDAY.

$$

MTF





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