Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 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 200137
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
837 PM CDT TUE MAY 19 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...HIGH PRESSURE OF 30.4 INCHES REMAINS CENTERED OVER
THE NORTHERN PLAINS WITH RIDGING EXTENDING ACROSS SOUTHERN LAKE
MICHIGAN. A 29.5 INCH LOW IS CENTERED OVER EASTERN QUEBEC WHILE A
WEAK TROUGH AVERAGING 29.9 INCHES EXTENDS SOUTH ALONG THE EASTERN
SEABOARD. ANOTHER WEAK TROUGH AVERAGING 30.0 INCHES IS MOVING
SOUTH OF HUDSON BAY AND WILL CONTINUE TO MOVE SOUTH ACROSS LAKE
MICHIGAN STARTING LATE WEDNESDAY AND CLEAR THE SOUTH END OF LAKE
MICHIGAN BY EARLY FRIDAY. HIGH PRESSURE OF 30.3 INCHES WILL BUILD
IN BEHIND THE TROUGH FRIDAY...AND MOVE TO THE EASTERN GREAT LAKES
BY SATURDAY. THE HIGH WILL CONTINUE TO SLIDE EAST ON SUNDAY AS LOW
PRESSURE OVER THE CENTRAL HIGH PLAINS BEGINS TO LIFT NORTHEAST.

LMZ261-362-364-563-200930-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
837 PM CDT TUE MAY 19 2015

STURGEON BAY WI TO POINT BETSIE MI NORTH

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST AND
DIMINISHING TO 5 TO 10 KT LATE. WAVES 1 TO 3 FT SUBSIDING TO 1 TO
2 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO
20 KT. WAVES BUILDING TO 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST
10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. WAVES 1 TO
3 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 2 FT.
.FRIDAY...NORTH WINDS LESS THAN 10 KT BACKING TO SOUTHWEST. WAVES
1 FT OR LESS.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.

$$

LMZ366-565-567-669-671-868-870-872-200930-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 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 PENTWATER TO MANISTEE MI 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-
837 PM CDT TUE MAY 19 2015

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO NORTH POINT LIGHT WI
TO GRAND HAVEN MI

.REST OF TONIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST.
WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES
1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST
10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT.
.THURSDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST 10
TO 20 KT THEN DIMINISHING TO AROUND 10 KT LATE. WAVES 1 TO 3 FT.
.FRIDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 1 TO
2 FT.
.FRIDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.SATURDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$

LMZ080-673-675-777-779-874-876-878-200930-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
837 PM CDT TUE MAY 19 2015

NORTH POINT LIGHT WI TO GRAND HAVEN MI SOUTH

.REST OF TONIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 5 TO 10
KT. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...WEST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.THURSDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST. WAVES 1 TO
3 FT.
.THURSDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT VEERING TO NORTH 10
TO 20 KT THEN DIMINISHING TO AROUND 10 KT LATE. WAVES 1 TO 3 FT.
.FRIDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH. WAVES 1 TO
2 FT.
.FRIDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES
1 TO 2 FT.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.

$$
LMZ761-200930-
MAFOR 2004/
MICHIGAN NORTH 11710 11610 12600 11510 12520. WAVES 1 TO 3 FT
SUBSIDING TO 1 TO 2 FT OVERNIGHT THEN BUILDING TO 1 TO 3 FT
WEDNESDAY AFTERNOON AND WEDNESDAY EVENING.

MICHIGAN SOUTH 13110 12100 12800 11600. WAVES 1 TO 3 FT OVERNIGHT.
WAVES 1 TO 2 FT WEDNESDAY AND WEDNESDAY EVENING.

$$


KREIN



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