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
000
FZUS63 KLOT 211357
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
857 AM CDT FRI AUG 21 2015

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 30.0 INCHES...CENTERED ACROSS OHIO
VALLEY...WILL SPREAD ACROSS THE EASTERN GREAT LAKES THROUGH THE
DAY TODAY. ANOTHER LOW OF 29.4 INCHES WILL DROP ACROSS THE
NORTHERN PLAINS TODAY...THEN GRADUALLY LIFT INTO ONTARIO BY
SUNDAY WITH A COLD FRONT SWEEPING ACROSS LAKE MICHIGAN. THE LOW
WILL SLOWLY TRACK TOWARDS JAMES BAY BY MID WEEK WHILE HIGH
PRESSURE OF 30.2 INCHES SPREADS FROM THE CENTRAL PLAINS MONDAY
ACROSS THE MIDWEST TUESDAY.

LMZ261-362-364-366-563-565-567-868-212115-
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-
857 AM CDT FRI AUG 21 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...WEST WINDS 10 TO 20 KT BECOMING SOUTH AND
INCREASING TO 15 TO 25 KT THIS AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO
20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH 20 TO 25
KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...SOUTH WINDS 20 TO 25 KT INCREASING TO 30 KT.
WAVES BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT OVERNIGHT.
.SUNDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST. SHOWERS WITH A
CHANCE OF THUNDERSTORMS IN THE MORNING...THEN CHANCE OF SHOWERS
IN THE AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.SUNDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES
4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. CHANCE OF
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES SUBSIDING TO 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-212115-
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-
857 AM CDT FRI AUG 21 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10
TO 20 KT THIS AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 2 TO
4 FT.
.SATURDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
.SUNDAY...SOUTH WINDS 20 TO 25 KT BECOMING SOUTHWEST 15 TO 25 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE MORNING...
THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...WEST WINDS 20 TO 25 KT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.MONDAY...WEST WINDS 20 TO 25 KT DIMINISHING TO 15 TO 25 KT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ761-212115-
MAFOR 2115/
MICHIGAN NORTH 11620 11420 13430 13520. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
TONIGHT AND SATURDAY MORNING.

MICHIGAN SOUTH 11510 14420 12520 11420. WAVES 2 TO 4 FT.

$$


KREIN



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