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 280121
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
821 PM CDT MON JUL 27 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 OVER THE GREAT LAKES WILL MOVE SLOWLY
EAST ACROSS THE EASTERN LAKES ON TUESDAY...AND TO NEW ENGLAND ON
WEDNESDAY. LOW PRESSURE OF 29.6 INCHES OVER THE NORTHERN PLAINS
WILL LIFT NORTHEAST TO HUDSON BAY THROUGH WEDNESDAY...WHILE
DEEPENING TO 29.1 INCHES. A COLD FRONT TRAILING FROM THE HUDSON
BAY LOW WILL PUSH ACROSS LAKE MICHIGAN DURING THE DAY WEDNESDAY.
HIGH PRESSURE OF 30.1 INCHES SPREADS FROM THE CENTRAL PLAINS INTO
THE OHIO VALLEY THURSDAY AND THURSDAY NIGHT. ANOTHER WEAK COLD
FRONT WILL SETTLE ACROSS THE LAKES LATE FRIDAY.

LMZ261-362-364-366-563-565-567-868-280915-
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-
821 PM CDT MON JUL 27 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.TUESDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO
25 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING... THEN
SHOWERS AND THUNDERSTORMS LIKELY OVERNIGHT. WAVES BUILDING TO 2
TO 4 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT EARLY SUBSIDING TO 1 TO 3 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST.
WAVES 1 TO 2 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280915-
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-
821 PM CDT MON JUL 27 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHEAST WINDS 5 TO 10 KT VEERING TO
SOUTHEAST. WAVES 1 TO 2 FT.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO
20 KT. CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3
FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SATURDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$
LMZ761-280915-
MAFOR 2803/
MICHIGAN NORTH 14400 14410. WAVES 1 FT OR LESS TONIGHT. WAVES 1 TO
2 FT TUESDAY AND TUESDAY EVENING.

MICHIGAN SOUTH 11100 11200 12300 14310. WAVES 1 TO 2 FT.

$$


KJB


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