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 230239
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
839 PM CST THU JAN 22 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 30.4 INCHES WILL EXPAND FROM THE
PLAINS EASTWARD ACROSS THE MID MISSISSIPPI AND OHIO VALLEYS
THROUGH TONIGHT. MEANWHILE...AN AREA OF LOW PRESSURE OF 29.4
INCHES WILL MOVE EASTWARD FROM NORTHERN MANITOBA TO JAMES BAY BY
FRIDAY AFTERNOON...AND THEN CONTINUE EAST TO QUEBEC FRIDAY NIGHT
INTO SATURDAY WHILE DRAGGING A COLD FRONT ACROSS THE LAKE. ANOTHER
QUICK MOVING LOW PRESSURE AROUND 29.4 INCHES WILL THEN APPROACH
LAKE MICHIGAN FROM THE NORTHWEST BY SUNDAY.

LMZ261-362-364-366-563-565-231045-
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-
839 PM CST THU JAN 22 2015

TWO RIVERS WI TO MANISTEE MI NORTH

...GALE WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH
FRIDAY AFTERNOON...

.REST OF TONIGHT...SOUTHWEST WINDS TO 30 KT INCREASING TO GALES
TO 35 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 7 TO 10
FT OCCASIONALLY TO 13 FT OVERNIGHT.
.FRIDAY...SOUTHWEST GALES TO 35 KT EASING TO 30 KT LATE. CHANCE OF
SNOW. WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT...THEN BECOMING NORTHWEST 10 TO 15 KT LATE. CHANCE OF SNOW.
WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST.
CHANCE OF SNOW. WAVES 1 TO 3 FT.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES 2 TO
4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT IN THE AFTERNOON.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. SLIGHT CHANCE OF
SNOW. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING
TO 2 TO 4 FT IN THE AFTERNOON.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SNOW SHOWERS. WAVES
1 TO 3 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-231045-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
839 PM CST THU JAN 22 2015

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO
30 KT. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
OVERNIGHT.
.FRIDAY...SOUTHWEST WINDS TO 30 KT. SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING NORTHWEST.
CHANCE OF SNOW. WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
OVERNIGHT.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST.
CHANCE OF SNOW. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 10 TO 20 KT VEERING TO NORTH 15 TO 25 KT IN
THE AFTERNOON. SNOW OR RAIN LIKELY IN THE MORNING...THEN CHANCE
OF RAIN OR SNOW IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO
6 FT OCCASIONALLY TO 8 FT IN THE AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KT. CHANCE OF SNOW. WAVES 4
TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SNOW SHOWERS. WAVES
2 TO 4 FT.

$$
LMZ761-231045-
MAFOR 2304/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11540 14550 11550 11540
11630. CHANCE OF SNOW FRIDAY AND FRIDAY EVENING. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT
OVERNIGHT. WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT FRIDAY. WAVES 7
TO 10 FT OCCASIONALLY TO 13 FT FRIDAY EVENING.

MICHIGAN SOUTH 11520 11530 14540 11540 11530. CHANCE OF SNOW
FRIDAY EVENING. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY
TO 9 FT OVERNIGHT. WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT FRIDAY
AND FRIDAY EVENING.

$$

BMD



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