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NWS Forecast

FZUS63 KLOT 200752
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
252 AM CDT WED AUG 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 OF 29.7 INCHES OVER FAR NORTHERN LOWER
MICHIGAN WILL CONTINUE TO FILL AS IT MOVES SOUTHEAST ACROSS THE
EASTERN LAKES TONIGHT. WEAK HIGH PRESSURE OF 30.1 INCHES WILL
MOVE ACROSS LAKE MICHIGAN THROUGH LATE THIS WEEK...WHILE A SERIES
OF LOW PRESSURE SYSTEMS MOVE FROM THE CENTRAL HIGH PLAINS
NORTHEASTWARD TO THE UPPER MISSISSIPPI RIVER VALLEY AND WESTERN
ONTARIO.

LMZ261-362-364-366-563-565-201515-
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-
252 AM CDT WED AUG 20 2014

TWO RIVERS WI TO MANISTEE MI NORTH

TODAY
NORTHWEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.

TONIGHT
SOUTHWEST WINDS 5 TO 10 KT VEERING TO NORTHEAST.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 FT
OR LESS.

THURSDAY
EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 FT OR LESS.

THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.

FRIDAY
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

FRIDAY NIGHT
EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

SATURDAY
EAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

SUNDAY
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 FT OR LESS.



LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-201515-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
252 AM CDT WED AUG 20 2014

TWO RIVERS WI TO MANISTEE MI SOUTH

TODAY
NORTH WINDS 5 TO 10 KT VEERING TO EAST. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS THIS MORNING. WAVES 1 TO 3 FT.

TONIGHT
SOUTHEAST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 1 TO 2 FT.

THURSDAY
SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

FRIDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

FRIDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.

SATURDAY
SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTHEAST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

SUNDAY
SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT. 



LMZ761-201515-
MAFOR 2009/
MICHIGAN NORTH 12700 11600 12500 11800 12100. WAVES 1 TO 3 FT
TODAY. WAVES 2 FT OR LESS TONIGHT.

MICHIGAN SOUTH 12800 11100 11200 14310. WAVES 1 TO 3 FT TODAY.
WAVES 1 TO 2 FT TONIGHT.



BEACHLER