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
000
FZUS63 KLOT 010152
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
852 PM CDT FRI SEP 30 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...LOW PRESSURE OF 30.0 INCHES OVER SOUTHERN INDIANA WILL
DRIFT SLOWLY NORTHWEST TO NORTHWEST INDIANA BY MIDDAY SATURDAY...
BEFORE WEAKENING AND MOVING NORTHEAST ACROSS LAKE HURON BY SUNDAY
MORNING. HIGH PRESSURE OF 30.1 INCHES WILL BUILD SOUTHEAST ACROSS
THE NORTHERN AND WESTERN LAKES SUNDAY NIGHT. THE HIGH WILL MOVE
EAST TO NEW ENGLAND THROUGH THE MIDDLE OF NEXT WEEK...WITH WEAKER
RIDGING LINGERING OVER THE LAKES. ANOTHER LOW WILL PASS NORTH OF
THE LAKES MID TO LATE WEEK.

LMZ261-362-364-366-563-565-567-868-010915-
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-
852 PM CDT FRI SEP 30 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST
10 TO 20 KT. A CHANCE OF SHOWERS WITH AREAS OF DRIZZLE OVERNIGHT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SHOWERS LIKELY IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. SHOWERS LIKELY IN THE EVENING...THEN CHANCE OF
SHOWERS OVERNIGHT. WAVES 2 TO 4 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-010915-
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-
852 PM CDT FRI SEP 30 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KT. SHOWERS LIKELY
WITH AREAS OF DRIZZLE. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF WATERSPOUTS.
SHOWERS LIKELY WITH SLIGHT CHANCE OF THUNDERSTORMS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 5 TO
10 KT AFTER MIDNIGHT...THEN INCREASING TO 10 TO 15 KT LATE.
CHANCE OF WATERSPOUTS. CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.SUNDAY...NORTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.MONDAY...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT.
WAVES 1 TO 2 FT.
.MONDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES
1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. WAVES 1 TO
2 FT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$
LMZ761-010915-
MAFOR 0103/
MICHIGAN NORTH 12235 11125 12120 13126. CHANCE OF SHOWERS WITH
AREAS OF DRIZZLE OVERNIGHT. CHANCE OF SHOWERS SATURDAY. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT OVERNIGHT. WAVES 2 TO 4 FT SATURDAY AND
SATURDAY EVENING.

MICHIGAN SOUTH 11236 11136 11135 13126 12116. SHOWERS. AREAS OF
DRIZZLE OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT
SATURDAY. WAVES 2 TO 4 FT SATURDAY EVENING.

$$

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.