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
000
FZUS63 KLOT 180854
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
254 AM CST TUE NOV 18 2014

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...A 29.2 INCH LOW IS OVER SOUTHWESTERN QUEBEC AND IT
WILL DEEPEN TO 28.6 INCHES AS IT MOVES OVER NEWFOUNDLAND THIS
EVENING. A 30.5 INCH HIGH OVER ARKLATEX WILL MOVE OVER THE GULF
STATES TODAY REACHING THE SOUTHEAST US WEDNESDAY AFTERNOON. A LOW
PRESSURE TROUGH AVERAGING 29.7 INCHES MOVES OVER THE WESTERN LAKES
WEDNESDAY AFTERNOON...AND THEN BECOMES A 29.5 INCH CLOSED LOW OVER
SOUTH CENTRAL QUEBEC THURSDAY EVENING. A 30.3 INCH HIGH SPREADS
OVER THE CENTRAL AND SOUTHERN MISSISSIPPI VALLEY THURSDAY AND
SLOWLY SHIFTS EAST TO OVER THE ATLANTIC THROUGH THE END OF THE
WEEK.

LMZ261-362-364-366-563-565-567-868-181630-
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-
254 AM CST TUE NOV 18 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
MORNING...

.TODAY...WEST GALES TO 40 KT DIMINISHING TO 30 KT LATE IN THE
AFTERNOON. CHANCE OF WATERSPOUTS. SNOW SHOWERS. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT.
.TONIGHT...WEST WINDS TO 30 KT BECOMING SOUTHWEST 20 TO 25 KT AFTER
MIDNIGHT. SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST TO 30 KT IN
THE AFTERNOON...AND THEN INCREASING TO GALES TO 35 KT IN THE LATE
AFTERNOON. SNOW SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...WEST GALES TO 35 KT. SNOW SHOWERS. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT.
.THURSDAY...WEST GALES TO 35 KT DIMINISHING TO 30 KT IN THE LATE
MORNING...THEN BECOMING NORTHWEST IN THE AFTERNOON. SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 25 KT. SNOW SHOWERS
LIKELY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5
FT OCCASIONALLY TO 7 FT OVERNIGHT.
.FRIDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST IN THE
AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS TO 30 KT. CHANCE OF RAIN OR SNOW OR
LIGHT SLEET. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-181630-
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-
254 AM CST TUE NOV 18 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

...GALE WARNING IN EFFECT THROUGH THIS AFTERNOON...
...GALE WATCH IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY
MORNING...

.TODAY...WEST GALES TO 40 KT DIMINISHES TO 30 KT LATE IN THE
AFTERNOON. CHANCE OF WATERSPOUTS. SNOW SHOWERS THIS MORNING...THEN
SCATTERED SNOW SHOWERS THIS AFTERNOON. WAVES 8 TO 12 FT
OCCASIONALLY TO 15 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11
FT.
.TONIGHT...WEST WINDS TO 30 KT BECOMING SOUTH LATE. SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...SOUTH WINDS TO 30 KT BECOMING WEST EARLY IN THE
AFTERNOON...THEN INCREASING TO GALES TO 35 KT LATE. SNOW SHOWERS
LIKELY IN THE MORNING...THEN CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY NIGHT...WEST GALES TO 35 KT. CHANCE OF SNOW SHOWERS IN
THE EVENING...THEN SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES
BUILDING TO 8 TO 11 FT OCCASIONALLY TO 13 FT.
.THURSDAY...WEST GALES TO 35 KT DIMINISHING TO 30 KT IN THE LATE
MORNING. CHANCE OF SNOW SHOWERS. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. SLIGHT
CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN
THE AFTERNOON.
.SATURDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF RAIN...LIGHT FREEZING RAIN
AND SNOW OR LIGHT SLEET. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ761-181630-
MAFOR 1810/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
14657 13647 11537. CHANCE OF WATERSPOUTS. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT TODAY. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT TONIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
13657 11650 12647 11640 11547. CHANCE OF WATERSPOUTS. SCATTERED
SNOW SHOWERS THIS AFTERNOON. WAVES 8 TO 12 FT OCCASIONALLY TO 15
FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT TODAY. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO
10 FT TONIGHT.

$$

JEE







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