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

000
FZUS63 KLOT 201353
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 AM CDT FRI MAY 20 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...EXPANSIVE HIGH PRESSURE OF 30.2 INCHES WILL GENERALLY
PREVAIL OVER THE GREAT LAKES THROUGH THE WEEKEND. LOW PRESSURE OF
29.9 INCHES WILL DEVELOP ACROSS THE OHIO RIVER VALLEY TONIGHT AND
MOVE INTO THE MID-ATLANTIC REGION BY SATURDAY. THE HIGH PRESSURE
WILL WEAKEN TO 30.0 INCHES AND MOVE SOUTHEAST BY MONDAY AFTERNOON
WHILE LOW PRESSURE OF 29.2 INCHES TRACKS NORTHEAST ACROSS THE
CANADIAN PRAIRIE PROVINCES. BROAD LOW PRESSURE AVERAGING 29.6
INCHES WILL DEVELOP ACROSS THE CENTRAL PLAINS DURING THE MIDDLE OF
NEXT WEEK WHILE HIGH PRESSURE OF 30.1 INCHES IS MAINTAINED OVER
THE EASTERN SEABOARD.

LMZ261-362-364-366-563-565-567-868-202145-
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-
853 AM CDT FRI MAY 20 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES
1 TO 2 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT. WAVES AROUND 1 FT.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING WEST 10 TO 15 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING NORTH.
WAVES 1 TO 2 FT.
.SUNDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 FT
OR LESS.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
WAVES BUILDING TO 2 TO 4 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-202145-
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-
853 AM CDT FRI MAY 20 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15
KT EARLY THIS AFTERNOON AND THEN NORTH 10 TO 20 KT LATE. WAVES 1
TO 3 FT.
.TONIGHT...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST IN THE
AFTERNOON. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT OVERNIGHT. WAVES 1 TO 3 FT.
.SUNDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SUNDAY NIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 15
KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTH WINDS 10 TO 20 KT. WAVES BUILDING TO 2 TO 4 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.

$$
LMZ761-202145-
MAFOR 2015/
MICHIGAN NORTH 11400 12500 14900 11700. WAVES 1 TO 2 FT.

MICHIGAN SOUTH 11200 11110 15820. WAVES 1 TO 3 FT.

$$

RC


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