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 031446
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
846 AM CST SAT DEC 3 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 30.3 INCHES WILL BUILD ACROSS THE
GREAT LAKES REGION TODAY AND TONIGHT...AND THEN MOVE OVER NEW
ENGLAND BY EARLY NEXT WEEK. A 29.5 INCH LOW IS EXPECTED TO DEVELOP
OVER THE SOUTHERN PLAINS MONDAY AND LIFT ACROSS THE GREAT LAKES
TUESDAY...WITH ANOTHER LOW OF 29.5 INCHES TO POSSIBLY FOLLOW A
SIMILAR TRACK LATER IN THE WEEK. STRONG HIGH PRESSURE OF 30.7
INCHES WILL MOVE INTO THE NORTHERN PLAINS DURING THIS TIME AND
WILL SEND A STRONG COLD FRONT ACROSS THE LAKE BEGINNING WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-032100-
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-
846 AM CST SAT DEC 3 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO
15 KT. SLIGHT CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.TONIGHT...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. CHANCE OF
RAIN OVERNIGHT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. CHANCE OF
RAIN AND SNOW IN THE MORNING...THEN RAIN AND SNOW IN THE
AFTERNOON. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. RAIN AND SNOW LIKELY IN THE EVENING...THEN CHANCE OF RAIN
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 20 KT BECOMING SOUTHWEST. WAVES 2 TO
4 FT.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHEAST. WAVES
1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO
4 FT.
.WEDNESDAY...WEST WINDS TO 30 KT. WAVES 5 TO 7 FT OCCASIONALLY TO
9 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-032100-
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-
846 AM CST SAT DEC 3 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15
KT. WAVES 1 TO 3 FT.
.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
RAIN AND SNOW. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. CHANCE
OF RAIN IN THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING SOUTH. WAVES 2 TO
4 FT.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.TUESDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.
.WEDNESDAY...WEST WINDS TO 30 KT. WAVES 5 TO 7 FT OCCASIONALLY TO
9 FT.

$$

LMZ761-032100-
MAFOR 0316/
MICHIGAN NORTH 12720 14610 12510. CHANCE OF RAIN OVERNIGHT.
CHANCE OF RAIN AND SNOW SUNDAY MORNING. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 12620 14610 11510 11517. WAVES 1 TO 3 FT.

$$

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.