Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary Off
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

000
FZUS63 KLOT 310824
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
324 AM CDT TUE MAR 31 2015

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 29.7 INCHES OVER SOUTHERN LAKE
MICHIGAN WILL QUICKLY MOVE TO THE THE MID ATLANTIC BY EARLY THIS
EVENING. A WEAK TROUGH OF LOW PRESSURE AVERAGING 29.9 INCHES WILL
LINGER ACROSS THE CENTRAL LAKES BEFORE A RIDGE OF HIGH PRESSURE OF
30.1 INCHES MOVES OVER THE LAKE LATE TUESDAY INTO TUESDAY NIGHT.
LARGE LOW PRESSURE NEAR 29.3 INCHES WILL DEVELOP ACROSS SOUTHERN
CANADA WEDNESDAY AFTERNOON AND REACH WESTERN ONTARIO WEDNESDAY
NIGHT. THIS WILL BRING A COLD FRONT ACROSS THE LAKE ON THURSDAY.
LOW PRESSURE OF 29.6 INCHES WILL MOVE UP THE OHIO VALLEY ON
FRIDAY.

LMZ261-362-364-366-563-565-567-868-311530-
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-
324 AM CDT TUE MAR 31 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...NORTHEAST WINDS 10 TO 15 KT VEERING TO SOUTHEAST. SLIGHT
CHANCE OF RAIN OR SNOW THIS AFTERNOON. WAVES 2 TO 4 FT.
.TONIGHT...VARIABLE WINDS AROUND 10 KT OR BECOMING NORTHEAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO
20 KT...THEN INCREASING TO 15 TO 25 KT IN THE AFTERNOON. WAVES 1
TO 3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT LATE.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES BUILDING TO
5 TO 8 FT OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTHWEST WINDS 20 TO 25 KT BECOMING WEST 10 TO 20
KT. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE MORNING. WAVES
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES SUBSIDING TO 2 TO 4 FT.
.FRIDAY...NORTH WINDS 15 TO 25 KT BECOMING WEST 10 TO 15 KT
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO
3 FT OVERNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 15 TO
25 KT THEN NORTHEAST 10 TO 15 KT OVERNIGHT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-311530-
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-
324 AM CDT TUE MAR 31 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...NORTHEAST WINDS 15 TO 25 KT BECOMING NORTH AND
DIMINISHING TO 10 TO 15 KT THEN VARIABLE AROUND 10 KT. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT LATE.
.TONIGHT...SOUTH WINDS 10 TO 15 KT VEERING TO NORTH. WAVES 1 TO
3 FT.
.WEDNESDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING SOUTHEAST...THEN
BECOMING 15 TO 25 KT LATE IN THE AFTERNOON. WAVES BUILDING TO 2
TO 4 FT.
.WEDNESDAY NIGHT...SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES BUILDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.THURSDAY...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO 20 KT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN THE
MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON. WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST.
WAVES 2 TO 4 FT.
.FRIDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO 15 KT
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 15 TO 20 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.

$$

LMZ761-311530-
MAFOR 3110/
MICHIGAN NORTH 11110 11100 11200 11310 11910 11810 11110. WAVES 2
TO 4 FT TODAY AND 1 TO 3 FT TONIGHT.

MICHIGAN SOUTH 11130 11830 11820 12910 12410 11610 11810. WAVES 3
TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT LATE. WAVES 1
TO 3 FT TONIGHT.

$$


RC


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