Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

784
FZUS63 KLOT 290750
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 AM CDT THU SEP 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...LOW PRESSURE OF 29.8 INCHES CENTERED OVER THE OHIO
VALLEY WILL MOVE SLOWLY TO THE SOUTHEASTERN STATES THROUGH THE END
OF THE WEEK. HIGH PRESSURE OF 30.4 INCHES CURRENTLY OVER SOUTH
CENTRAL CANADA WILL MERGE WITH THE 30.6 INCH HIGH OVER QUEBEC
THIS AFTERNOON. ANOTHER WEAK SURFACE LOW OF 30.0 INCHES FORMS
OVER INDIANA FRIDAY AFTERNOON AND THEN WEAKENS OVER SOUTHERN LAKE
MICHIGAN THROUGH THE WEEKEND.

LMZ261-362-364-366-563-565-567-868-291400-
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 AM CDT THU SEP 29 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...NORTHEAST WINDS TO 30 KT. WAVES 5 TO 8 FT OCCASIONALLY
TO 10 FT.
.TONIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF WATERSPOUTS
OVERNIGHT. CHANCE OF SHOWERS OVERNIGHT. WAVES 5 TO 7 FT
OCCASIONALLY TO 9 FT.
.FRIDAY...NORTHEAST WINDS TO 30 KT. CHANCE OF WATERSPOUTS. CHANCE
OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 8 FT.
.FRIDAY NIGHT...EAST WINDS 15 TO 25 KT. CHANCE OF WATERSPOUTS IN
THE EVENING. CHANCE OF SHOWERS IN THE EVENING...THEN SHOWERS
LIKELY OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...EAST WINDS 15 TO 20 KT BECOMING NORTHEAST. CHANCE OF
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 2 TO 4 FT.
.SUNDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.MONDAY...NORTHEAST WINDS AROUND 10 KT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291400-
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 AM CDT THU SEP 29 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...NORTHEAST WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS
TO 35 KT. CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
.TONIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF WATERSPOUTS.
CHANCE OF SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT.
.FRIDAY...NORTHEAST WINDS TO 30 KT. CHANCE OF WATERSPOUTS.
SHOWERS LIKELY. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY NIGHT...NORTHEAST WINDS TO 30 KT BECOMING EAST 10 TO 20
KT OVERNIGHT. CHANCE OF WATERSPOUTS IN THE EVENING. CHANCE OF
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...EAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
1 TO 3 FT.
.MONDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.

$$

LMZ761-291400-
MAFOR 2909/
MICHIGAN NORTH 16140. CHANCE OF WATERSPOUTS OVERNIGHT. CHANCE OF
SHOWERS OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.

MICHIGAN SOUTH 14140 19150 14140. CHANCE OF WATERSPOUTS. CHANCE
OF SHOWERS. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT TODAY. WAVES 7
TO 10 FT OCCASIONALLY TO 13 FT TONIGHT.

$$

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)



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.