Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | 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 231340
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
840 AM 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...LARGE HIGH PRESSURE OF 30.4 INCHES CENTERED OVER
WESTERN ONTARIO WILL MOVE TO EASTERN ONTARIO BY TONIGHT. LOW
PRESSURE OF 29.5 INCHES WILL GRADUALLY TAKE SHAPE ACROSS THE
CENTRAL PLAINS FRIDAY INTO FRIDAY NIGHT. THIS LOW WILL LIFT TO
SOUTHERN MANITOBA BY SATURDAY NIGHT AND THEN VERY SLOWLY EAST TO
THE NORTHERN GREAT LAKES BY EARLY NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-232115-
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-
840 AM CDT FRI SEP 23 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

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

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-232115-
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-
840 AM CDT FRI SEP 23 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...NORTHEAST WINDS 15 TO 25 KT. AREAS OF FOG THIS
MORNING. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST 10 TO 20 KT.
SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 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 2 TO 4 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST.
WAVES 2 TO 4 FT.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SHOWERS. WAVES 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES 2 TO
4 FT.

$$
LMZ761-232115-
MAFOR 2315/
MICHIGAN NORTH 11130 13120 14220. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT TODAY AND TONIGHT AND SUBSIDING TO 2 TO 4 FT SATURDAY
MORNING.

MICHIGAN SOUTH 14130 12230 12220. CHANCE OF SHOWERS TODAY. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SATURDAY
MORNING.

$$


KMD

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.