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
000
FZUS63 KLOT 280155
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
855 PM CDT MON OCT 27 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...LOW PRESSURE OF 29.5 INCHES OVER WISCONSIN WILL MOVE
NORTHEAST TO EASTERN LAKE SUPERIOR BY MORNING AS IT DEEPENS TO
29.3 INCHES. A TRAILING COLD FRONT WILL SWEEP ACROSS THE LAKE BY
EARLY TUESDAY MORNING. THE LOW WILL CONTINUE NORTH TO NEAR JAMES
BAY BY WEDNESDAY MORNING AS IT DEEPENS FURTHER TO 29.2 INCHES.
HIGH PRESSURE OF 30.2 INCHES WILL BUILD ACROSS THE PLAINS TUESDAY
NIGHT AND WEDNESDAY AND THEN MOVE SOUTHEAST ACROSS THE OHIO VALLEY
WEDNESDAY NIGHT. A WEAK TROUGH OF LOW PRESSURE OF 29.9 INCHES WILL
MOVE ACROSS THE LAKE THURSDAY NIGHT AS LARGE STRONG HIGH PRESSURE
OF 30.5 INCHES BUILDS OVER THE NORTHERN PLAINS THURSDAY NIGHT AND
ACROSS THE LAKES REGION FRIDAY NIGHT INTO SATURDAY.

LMZ261-362-364-366-563-565-567-868-280800-
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-
855 PM CDT MON OCT 27 2014

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTH 10
TO 20 KT AFTER MIDNIGHT...THEN SHIFTING WEST 20 TO 25 KT TOWARD
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS THIS EVENING...THEN
SHOWERS WITH A CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.TUESDAY...WEST WINDS TO 30 KT. OCCASIONAL GALE FORCE GUSTS IN
THE AFTERNOON. CHANCE OF SHOWERS. WAVES 5 TO 7 FT OCCASIONALLY TO
9 FT.
.TUESDAY NIGHT...WEST WINDS TO 30 KT WITH OCCASIONAL GALE FORCE
GUSTS IN THE EVENING. CHANCE OF SHOWERS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT
IN THE AFTERNOON. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT OVERNIGHT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS.
WAVES 1 TO 2 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST TO
30 KT OVERNIGHT. CHANCE OF SHOWERS. WAVES 1 TO 3 FT BUILDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT OVERNIGHT.
.FRIDAY...NORTH WINDS TO 30 KT. CHANCE OF RAIN AND SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST. WAVES 1 TO
3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280800-
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-
855 PM CDT MON OCT 27 2014

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST TO
30 KT. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9
FT OVERNIGHT.
.TUESDAY...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT.
.TUESDAY NIGHT...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT
IN THE AFTERNOON. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST TO
30 KT OVERNIGHT. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 2 FT
BUILDING TO 2 TO 4 FT OVERNIGHT.
.FRIDAY...NORTH GALES TO 35 KT DIMINISHING TO 30 KT IN THE
AFTERNOON. SLIGHT CHANCE OF SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BACKING TO SOUTHWEST.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT IN THE AFTERNOON.

$$
LMZ761-280800-
MAFOR 2803/
MICHIGAN NORTH 11330 19230 11426 19526 11636 14640 11640.
CHANCE OF THUNDERSTORMS OVERNIGHT. CHANCE OF SHOWERS TUESDAY.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT TONIGHT BUILDING TO 5 TO
7 FT OCCASIONALLY TO 9 FT TUESDAY.

MICHIGAN SOUTH 11436 12546 14640 11640. CHANCE OF THUNDERSTORMS
TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7
FT OCCASIONALLY TO 9 FT OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT TUESDAY AND TUESDAY EVENING.

$$





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