Great Lakes Forecast
Issued by NWS

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492
FZUS63 KLOT 180748
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
248 AM CDT THU AUG 18 2016

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 RIDGE OF HIGH PRESSURE AVERAGING 30.2 INCHES WILL
REMAIN NEARLY STATIONARY ACROSS THE SOUTHEASTERN STATES AND
NORTHERN GULF OF MEXICO FOR THE NEXT SEVERAL DAYS. LOW PRESSURE
OF 29.6 INCHES IS EXPECTED TO DEVELOP OVER THE UPPER MISSOURI
VALLEY TODAY. YET ANOTHER LOW OF 29.3 INCHES IS EXPECTED TO
DEVELOP ALONG THE FRONT OVER THE MIDDLE MISSISSIPPI VALLEY ON
SATURDAY. THIS LOW IS EXPECTED TO LIFT NORTHEAST ACROSS THE UPPER
GREAT LAKES REGION SATURDAY WITH THE COLD FRONT FINALLY PUSHING
ACROSS LAKE MICHIGAN SATURDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-181400-
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-
248 AM CDT THU AUG 18 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO
3 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. SHOWERS AND
THUNDERSTORMS LIKELY IN THE MORNING. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTHEAST
10 TO 15 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT
IN THE AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST TO
30 KT. CHANCE OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT IN
THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-181400-
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-
248 AM CDT THU AUG 18 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...SOUTH WINDS 10 TO 15 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20
KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES
1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. SHOWERS
AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...WEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE
OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$

LMZ761-181400-
MAFOR 1809/
MICHIGAN NORTH 14510 11510 13410. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 15410 11510 11520. WAVES 1 TO 3 FT.

$$



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