Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 170149
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CDT TUE AUG 16 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...LOW PRESSURE OF 29.7 INCHES ACROSS LAKE ONTARIO WILL
MOVE TO MAINE BY DAYBREAK WHILE WEAK HIGH PRESSURE OF 30.0 INCHES
REMAINS OVER THE SOUTHERN AND CENTRAL GREAT LAKES INTO WEDNESDAY.
A LOW OF 29.4 INCHES WILL REACH HUDSON BAY THURSDAY NIGHT AND
FRIDAY WITH ITS COLD FRONT FORECAST TO SWING ACROSS THE LAKE
SATURDAY NIGHT INTO SUNDAY. A LOW OF 29.7 INCHES WILL DEVELOP OVER
THE LAKE ALONG THE COLD FRONT SATURDAY NIGHT.


LMZ261-362-364-366-563-565-567-868-170930-
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-
849 PM CDT TUE AUG 16 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 15 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST LATE IN THE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT BY LATE EVENING. WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT INCREASING TO 10 TO 20 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
2 TO 4 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KT. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-170930-
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-
849 PM CDT TUE AUG 16 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST
AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.
WAVES 1 TO 2 FT.
.WEDNESDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST LATE IN THE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST LATE.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING. WAVES 1 TO 2
FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 15 KT.
WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST
10 TO 20 KT. WAVES 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO
4 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS. WAVES 2 TO 4 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH LATE. CHANCE
OF SHOWERS. WAVES 2 TO 4 FT.

$$
LMZ761-170930-
MAFOR 1703/
MICHIGAN NORTH 10520 13510 11610 14510. CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT AND WEDNESDAY. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11410 12510 11610 14510. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

MTF



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