Great Lakes Forecast
Issued by NWS

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228
FZUS63 KLOT 290752
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
252 AM CDT FRI JUL 29 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...WEAK AND BROAD LOW PRESSURE OF 29.9 INCHES OVER THE
SOUTHERN LAKES REGION WILL REMAIN STATIONARY THROUGH TONIGHT AND
THEN MOVE SLOWLY EAST THROUGH SATURDAY NIGHT. A WEAK COLD FRONT
OVER THE SOUTHERN PART OF THE LAKE WILL SAG SLOWLY SOUTH OF THE
LAKE TODAY. HIGH PRESSURE OF 30.1 INCHES STATIONARY OVER THE
NORTHERN LAKES THROUGH SATURDAY WILL SPREAD ACROSS LAKE MICHIGAN
SUNDAY AND EARLY MONDAY BEFORE SHIFTING EASTWARD. A LARGE TROUGH
OF LOW PRESSURE AROUND 29.6 INCHES WILL SLOWLY MOVE EAST ACROSS
THE PLAINS DURING THE FIRST HALF OF NEXT WEEK REACHING THE
NORTHERN LAKES SOMETIME MID TO LATE WEEK.

LMZ261-362-364-366-563-565-567-868-291530-
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-
252 AM CDT FRI JUL 29 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...NORTHEAST WINDS 10 TO 20 KT. A FEW AFTERNOON GUSTS TO 25
KT. CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH EARLY THIS
MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO 15 KT
AFTER MIDNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST LATE IN THE
MORNING AND THEN INCREASING TO 10 TO 20 KT IN THE EARLY AFTERNOON.
WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 5 TO
10 KT. WAVES SUBSIDING TO 1 TO 3 FT.
.SUNDAY...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15 KT.
WAVES 1 TO 3 FT.
.SUNDAY NIGHT...EAST WINDS 5 TO 10 KT. WAVES SUBSIDING TO AROUND 1
FT.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 FT
OR LESS.
.TUESDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291530-
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-
252 AM CDT FRI JUL 29 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...EAST WINDS 15 TO 20 KT BECOMING NORTHEAST LATE IN THE
MORNING. OCCASIONAL GUSTS TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 20 KT BECOMING EAST AFTER
MIDNIGHT. OCCASIONAL GUSTS TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST...THEN
BECOMING NORTH 15 TO 20 KT IN THE AFTERNOON. A FEW 25 KT GUSTS IN
THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO
15 KT. WAVES 2 TO 4 FT.
.SUNDAY...EAST WINDS 10 TO 15 KT BECOMING NORTH. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES
1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-291530-
MAFOR 2909/
MICHIGAN NORTH 13120 19220 13120 19130 11120 11200. CHANCE OF
SHOWERS AND THUNDERSTORMS THROUGH EARLY THIS MORNING. WAVES 3 TO 5
FT OCCASIONALLY TO 7 FT TODAY SUBSIDING TO 2 TO 4 FT EARLY THIS
EVENING.

MICHIGAN SOUTH 12220 19230 14120 19130 11120 19130 11220 19220.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

MTF



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