Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 181953
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
253 PM 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 ACROSS THE NORTHERN CENTRAL PLAINS WILL STRENGTHEN
TO 29.3 INCHES AS IT MOVES NORTHEAST TO NORTHERN LAKE MICHIGAN
LATE SATURDAY. A COLD FRONT BEHIND THE LOW WILL PUSH ACROSS LAKE
MICHIGAN SATURDAY NIGHT. HIGH PRESSURE OF 30.1 WILL SET UP EAST OF
LAKE MICHIGAN EARLY NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-190315-
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-
253 PM CDT THU AUG 18 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...WEST WINDS 10 TO 15 KT VEERING TO NORTHEAST.
SHOWERS AND THUNDERSTORMS LIKELY. WAVES 1 TO 3 FT.
.SATURDAY...EAST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT IN
THE AFTERNOON. SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT
BUILDING TO 1 TO 3 FT.
.SATURDAY NIGHT...NORTHWEST WINDS TO 30 KT. SHOWERS LIKELY IN THE
EVENING...THEN CHANCE OF SHOWERS OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.MONDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-190315-
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-
253 PM CDT THU AUG 18 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
LATE. 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. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST 15 TO
25 KT. SHOWERS AND THUNDERSTORMS LIKELY IN THE MORNING...THEN
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT
BUILDING TO 2 TO 4 FT.
.SATURDAY NIGHT...NORTHWEST WINDS TO 30 KT. CHANCE OF SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT SUBSIDING TO 2 TO 4 FT.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING WEST. WAVES 1 TO
2 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-190315-
MAFOR 1821/

MICHIGAN NORTH 11520 14420 11420 11529 11520. CHANCE OF SHOWERS
AND THUNDERSTORMS FRIDAY. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 14410 12520 12420. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS EVENING. CHANCE OF SHOWERS AND
THUNDERSTORMS FRIDAY. WAVES 1 TO 3 FT TONIGHT. WAVES 2 TO 4 FT
FRIDAY.

$$

KMD



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