Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 300747
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 AM CDT WED JUL 30 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...A WEAK COOL FRONT OVER CENTRAL LAKE MICHIGAN WILL MOVE
SOUTH OF THE LAKE BY EARLY THIS MORNING. BROAD LOW PRESSURE OF
29.9 INCHES ACROSS EASTERN ONTARIO WILL MOVE LITTLE THROUGH
THURSDAY BEFORE DEPARTING NORTHEAST INTO QUEBEC THURSDAY NIGHT
INTO FRIDAY. AS THIS OCCURS...THE SYSTEM WILL STEER A COOL FRONT
ACROSS LAKE MICHIGAN THURSDAY NIGHT. WEAK LOW PRESSURE OF 30.1
INCHES WILL DEVELOP OVER THE FAR EASTERN LAKES ON FRIDAY NIGHT
INTO SATURDAY. A COOL FRONT TAKES SHAPE OVER THE LAKE FRIDAY NIGHT
AND PUSHES SOUTHWARD ACROSS THE LAKE. HIGH PRESSURE OF 30.2 INCHES
WILL DEVELOP OVER THE GREAT LAKES SATURDAY NIGHT AND PERSIST
THROUGH THE END OF THE WEEKEND. A COOL FRONT IS EXPECTED TO DROP
SOUTHEAST ACROSS THE GREAT LAKES SOMETIME EARLY NEXT WEEK.


LMZ261-362-364-366-563-565-567-868-301615-
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 WED JUL 30 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTH WINDS 5 TO 10 KT BACKING TO SOUTHWEST BY EARLY
AFTERNOON. WAVES 1 TO 2 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
IN THE EVENING. WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING...THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING EAST AFTER
MIDNIGHT. SLIGHT CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 2
FT.
.FRIDAY...SOUTH WINDS AROUND 10 KT. SLIGHT CHANCE OF SHOWERS IN
THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 2 FT.
.FRIDAY NIGHT...SOUTHEAST WINDS AROUND 10 KT BECOMING NORTHEAST.
WAVES 1 TO 2 FT.
.SATURDAY...NORTHEAST WINDS AROUND 10 KT BECOMING SOUTH SATURDAY
NIGHT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-301615-
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 WED JUL 30 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH AROUND 10 KT
FROM LATE MORNING ON. SLIGHT CHANCE OF SHOWERS FROM LATE MORNING
ON. WAVES 1 TO 2 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT EARLY BECOMING SOUTH...THEN
BECOMING SOUTHWEST 10 TO 15 KT AFTER MIDNIGHT. SLIGHT CHANCE OF
SHOWERS IN THE EVENING. WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS
IN THE MORNING...THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING NORTHWEST
LATE. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SATURDAY...NORTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST SUNDAY
NIGHT. WAVES 1 TO 3 FT.

$$

LMZ761-301615-
MAFOR 3009/
MICHIGAN NORTH 12800 11700 12500 13510. WAVES 1 TO 2 FT.

MICHIGAN SOUTH 19610 12710 13810 11900 11400 11510. WAVES 1 TO 2
FT.

$$

MTF








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