Great Lakes Forecast
Issued by NWS

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681
FZUS63 KLOT 301950
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CDT FRI SEP 30 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 30.0 INCH LOW IS OVER SOUTHERN INDIANA WHILE A 30.5
INCH HIGH EXTENDS FROM QUEBEC THROUGH ONTARIO AND THEN SOUTH
THROUGH TEXAS. THE LOW WILL REMAIN RELATIVELY STATIONARY THROUGH
SATURDAY AFTERNOON AND THEN SHIFT NORTHEAST THROUGH THE REMAINDER
OF THE WEEKEND. THE HIGH BUILDS OVER THE LAKE SUNDAY EVENING AND
NIGHT AT AROUND 30.1 INCHES. THE HIGH BECOMES CENTERED OVER MAINE
TUESDAY AND REMAINS RELATIVELY STATIONARY THROUGH MID WEEK. THE
WESTERN EXTENT OF THE HIGH WILL STAY OVER THE LAKE FORCING THE
NEXT LOW TO MOVE OVER THE NORTHERN PLAINS AND INTO SOUTH CENTRAL
CANADA MID TO LATE NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-010330-
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-
250 PM CDT FRI SEP 30 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST...AND THEN
DIMINISHING TO 10 TO 20 KT LATE. SCATTERED SHOWERS THIS
EVENING...THEN SCATTERED SHOWERS WITH AREAS OF DRIZZLE OVERNIGHT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF
SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-010330-
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-
250 PM CDT FRI SEP 30 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...NORTHEAST WINDS 15 TO 25 KT. PERIODS OF SHOWERS WITH
AREAS OF DRIZZLE THIS EVENING...THEN SCATTERED SHOWERS WITH AREAS
OF DRIZZLE OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF WATERSPOUTS.
SHOWERS LIKELY WITH SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 5 TO
10 KT AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KT LATE.
CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.MONDAY...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES
1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES 1 TO
2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ761-010330-
MAFOR 3021/
MICHIGAN NORTH 11130 11230 12235 11225 12120 11126. SCATTERED
SHOWERS THIS EVENING. CHANCE OF SHOWERS LATE SATURDAY. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT TONIGHT. WAVES 2
TO 4 FT SATURDAY.

MICHIGAN SOUTH 11130 12136 11135 11136 13126. SCATTERED SHOWERS
THIS EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 4
TO 6 FT OCCASIONALLY TO 8 FT TONIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT SATURDAY.

$$


JEE

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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