Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
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
000
FZUS63 KLOT 291348
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
848 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
SOUTHEASTERN STATES WILL MOVE LITTLE THROUGH THE END OF THE WEEK.
HIGH PRESSURE OF 30.4 INCHES OVER WESTERN ONTARIO WILL MERGE WITH
A 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.


LMZ261-362-364-366-563-565-567-868-292130-
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-
848 AM CDT THU SEP 29 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...NORTHEAST WINDS TO 30 KT. WAVES 4 TO 7
OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT
THIS AFTERNOON.
.TONIGHT...NORTHEAST WINDS TO 30 KT. CHANCE OF WATERSPOUTS
OVERNIGHT. CHANCE OF SHOWERS OVERNIGHT. WAVES 4 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 9 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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-292130-
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-
848 AM CDT THU SEP 29 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...NORTHEAST WINDS TO 30 KT. OCCASIONAL GALE FORCE
GUSTS. CHANCE OF WATERSPOUTS. SCATTERED 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.

$$
LMZ761-292130-
MAFOR 2915/
MICHIGAN NORTH 16140. CHANCE OF SHOWERS AND WATERSPOUTS OVERNIGHT
AND FRIDAY MORNING. WAVES 4 TO 7 OCCASIONALLY TO 9 FT BUILDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT THIS AFTERNOON. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT TONIGHT AND FRIDAY MORNING.

MICHIGAN SOUTH 13140 19158 14140 11146. CHANCE OF WATERSPOUTS.
SCATTERED SHOWERS TODAY AND A CHANCE OF SHOWERS TONIGHT. WAVES 8
TO 11 FT OCCASIONALLY TO 14 FT TODAY. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT TONIGHT...SUBSIDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT FRIDAY MORNING.

$$

MTF

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.