Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 240115
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
815 PM CDT FRI SEP 23 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...HIGH PRESSURE OF 30.3 INCHES IS CENTERED OVER ONTARIO
THIS EVENING AND WILL MOVE TO THE EASTERN GREAT LAKES OVER THE
WEEKEND. LOW PRESSURE OF 29.8 INCHES OVER THE NORTHERN PLAINS
WILL SHIFT SLOWLY EAST TO LAKE SUPERIOR LATE MONDAY INTO TUESDAY.
HIGH PRESSURE OF 30.2 INCHES WILL BUILD ACROSS PORTIONS OF THE
MISSISSIPPI VALLEY MIDWEEK.

LMZ261-362-364-366-563-565-567-868-240915-
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-
815 PM CDT FRI SEP 23 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING SOUTHEAST
10 TO 15 KT OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING EAST AROUND 10
KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO
25 KT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH 15 TO 25 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST.
SHOWERS IN THE EVENING...THEN SHOWERS LIKELY OVERNIGHT. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.MONDAY NIGHT...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING
TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 2 TO
4 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES
1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240915-
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-
815 PM CDT FRI SEP 23 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...EAST WINDS 10 TO 20 KT. SLIGHT CHANCE OF
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...EAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO
25 KT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SUNDAY...SOUTHEAST WINDS TO 30 KT BECOMING SOUTH 15 TO 25 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT VEERING TO WEST 15 TO
25 KT. SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF SHOWERS
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

$$
LMZ761-240915-
MAFOR 2403/
MICHIGAN NORTH 11120 11220 14310 11210 11220. WAVES 2 TO 4 FT
OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT SATURDAY AND
SATURDAY EVENING.

MICHIGAN SOUTH 14220 13210 11220. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO
1 TO 3 FT SATURDAY AND SATURDAY EVENING.

$$


KJB

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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