Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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
751
FZUS63 KLOT 052055
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
255 PM CST MON DEC 5 2016

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 30.1 INCHES IS CENTERED OVER THE
UPPER OHIO VALLEY AND WILL MOVE TO NEW ENGLAND TUESDAY. LOW
PRESSURE OF 29.5 INCHES IS OVER THE PLAINS AND WILL LIFT ACROSS
MINNESOTA TONIGHT TO NEAR JAMES BAY WEDNESDAY. A STRONG 31.0 INCH
RIDGE WILL BUILD INTO THE NORTHERN PLAINS THURSDAY THEN SHIFT TO
THE MID MISSISSIPPI VALLEY FRIDAY WEAKENING TO 30.6 INCHES. THE
HIGH WILL BUILD ACROSS THE MID ATLANTIC COAST SATURDAY AS LOW
PRESSURE OF 29.8 INCHES SATURDAY.

LMZ261-362-364-366-563-565-567-868-060415-
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-
255 PM CST MON DEC 5 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH TO 30 KT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.TUESDAY...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 15 TO 25 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS TO 30 KT BECOMING WEST. A FEW GALES
TO 35 KT POSSIBLE. CHANCE OF RAIN AND SNOW SHOWERS IN THE
EVENING. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT BUILDING TO 6 TO 9
FT OCCASIONALLY TO 11 FT.
.WEDNESDAY...WEST GALES TO 35 KT DIMINISHING TO 30 KT. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT.
.WEDNESDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS
OVERNIGHT. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...WEST WINDS TO 30 KT BECOMING NORTHWEST. CHANCE OF
SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO
10 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 1 TO 3 FT BUILDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-060415-
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-
255 PM CST MON DEC 5 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHEAST. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT BECOMING WEST TO 30 KT. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...WEST WINDS TO 30 KT. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.
.WEDNESDAY NIGHT...WEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS
OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...WEST WINDS TO 30 KT. CHANCE OF SNOW SHOWERS. WAVES
6 TO 9 FT OCCASIONALLY TO 11 FT.
.THURSDAY NIGHT...NORTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH TO 30 KT
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT BUILDING
TO 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ761-060415-
MAFOR 0522/
MICHIGAN NORTH 12530 14440 11440 11530. CHANCE OF RAIN SHOWERS
TUESDAY AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING
TO 4 TO 7 FT OCCASIONALLY TO 9 FT TONIGHT. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT TUESDAY.

MICHIGAN SOUTH 13430 12330 12420 11630. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT
TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT TUESDAY.

$$

BMD

EXPERIMENTAL MODERNIZED OPEN LAKE FORECAST IS AVAILABLE ONLINE AT
WEATHER.GOV/LOT/GLFTABLE (ALL LOWER CASE)

GRAPHICAL MARINE FORECASTS ARE AVAILABLE ONLINE AT
WEATHER.GOV/GREATLAKES (ALL LOWER CASE)



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