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

000
FZUS63 KLOT 230757
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
257 AM CDT THU APR 23 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...LOW PRESSURE AVERAGING 29.4 INCHES EXTENDS FROM
CENTRAL ONTARIO SOUTHEAST INTO NEW ENGLAND. THIS LOW WILL TRACK
EAST TO MAINE AND NOVA SCOTIA BY FRIDAY. A RIDGE OF HIGH PRESSURE
AVERAGING 30.1 INCHES EXTENDING FROM SASKATCHEWAN SOUTH TO THE
SOUTHERN PLAINS WILL MOVE EAST TO THE MISSISSIPPI VALLEY BY THIS
AFTERNOON...AND WILL THEN CONTINUE GRADUALLY EAST ACROSS THE
WESTERN GREAT LAKES THROUGH FRIDAY EVENING. LOW PRESSURE OF 29.4
INCHES WILL DEVELOP OVER THE CENTRAL HIGH PLAINS FRIDAY BEFORE
MOVING EAST INTO THE LOWER OHIO VALLEY SATURDAY EVENING.

LMZ261-362-364-366-563-565-567-868-231515-
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-
257 AM CDT THU APR 23 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT...
THEN BECOMING SOUTHWEST 10 TO 15 KT EARLY THIS AFTERNOON. CHANCE
OF SNOW SHOWERS MAINLY THIS MORNING. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.TONIGHT...NORTH WINDS 10 TO 15 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KT VEERING TO SOUTHEAST. WAVES
2 TO 4 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.SUNDAY THROUGH MONDAY...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3
FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-231515-
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-
257 AM CDT THU APR 23 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTHWEST WINDS 10 TO 20 KT BACKING TO SOUTH 10 TO
15 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4
FT.
.TONIGHT...SOUTH WINDS 5 TO 10 KT VEERING TO NORTH. WAVES 2 TO
4 FT.
.FRIDAY...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 2 TO
4 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.SATURDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO
2 TO 4 FT.
.SUNDAY...NORTH WINDS 15 TO 25 KT. WAVES 2 TO 4 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ761-231515-
MAFOR 2310/
MICHIGAN NORTH 12730 11720 12520 13810. CHANCE OF SNOW SHOWERS
EARLY THIS MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING
TO 2 TO 4 FT BY MIDDAY. WAVES 2 TO 4 FT TONIGHT.

MICHIGAN SOUTH 11730 12720 11510 11410 11400 11600 11800. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT TODAY. WAVES
2 TO 4 FT TONIGHT.

$$


KMD


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