National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
FZUS63 KLOT 140757
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
257 AM CDT TUE MAY 14 2013

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN

.SYNOPSIS...AS LARGE HIGH PRESSURE OF 30.1 INCHES DEPARTS TO THE
ATLANTIC COAST TODAY...A TROUGH OF LOW PRESSURE AVERAGING 29.6
INCHES WILL CONTINUE TO MOVE EAST TOWARDS ONTARIO AND THE WESTERN
GREAT LAKES. THIS LOW WILL CONTINUE EAST THROUGH ONTARIO
TONIGHT...AND THEN CONTINUE TOWARDS QUEBEC ON WEDNESDAY WHILE A
WEAK FRONT DROPS SOUTH DOWN THE LAKE. WEAK HIGH PRESSURE OF 29.9
INCHES WILL MOVE EAST FROM THE PLAINS WEDNESDAY NIGHT AND THEN
CONTINUE EAST ACROSS THE CENTRAL GREAT LAKES ON THURSDAY...BEFORE
CONTINUING EAST TOWARDS THE EASTERN GREAT LAKES THURSDAY NIGHT. AS
THIS HIGH PRESSURE REMAINS SITUATED FRIDAY INTO FRIDAY NIGHT...NEW
LOW PRESSURE OF 29.8 INCHES WILL DEVELOP ACROSS THE CENTRAL PLAINS
INTO SATURDAY.

//

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.


LMZ261-362-364-366-563-565-567-868-141530-
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-
257 AM CDT TUE MAY 14 2013

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT THIS
MORNING...THEN BECOMING SOUTHEAST 10 TO 15 KT THIS AFTERNOON.
SLIGHT CHANCE OF SHOWERS THROUGH MID MORNING...THEN SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS FROM LATE MORNING ON. WAVES 3 TO 6 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT
THIS AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25
KT...THEN VEERING TO WEST. CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 3 TO 6 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
15 KT. WAVES SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.THURSDAY...NORTH WINDS 5 TO 10 KT BECOMING VARIABLE. WAVES 1 TO 2
FT.
.THURSDAY NIGHT...EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.


$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-141530-
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-
257 AM CDT TUE MAY 14 2013

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...SOUTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT...THEN
BECOMING SOUTHEAST THIS AFTERNOON. SLIGHT CHANCE OF SHOWERS
THROUGH MID MORNING. WAVES 3 TO 6 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT THIS AFTERNOON.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO 25
KT...THEN BECOMING WEST. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15
KT EARLY IN THE AFTERNOON...THEN BECOMING NORTH. WAVES SUBSIDING
TO 1 TO 3 FT.
.WEDNESDAY NIGHT...VARIABLE WINDS LESS THAN 10 KT BECOMING WEST 10
TO 15 KT. WAVES 1 FT OR LESS.
.THURSDAY...NORTHWEST WINDS 5 TO 10 KT VEERING TO NORTH. WAVES 1
FT OR LESS.
.THURSDAY NIGHT...EAST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.FRIDAY...EAST WINDS 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.


$$

LMZ761-141530-
MAFOR 1409/
MICHIGAN NORTH 12430 11420 12310 11420 11430 11530. CHANCE OF RAIN
SHOWERS EARLY THIS MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS
TONIGHT. WAVES 3 TO 6 FT OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4
FT OCCASIONALLY TO 6 FT TODAY. WAVES BUILDING TO 3 TO 6 FT
OCCASIONALLY TO 9 FT TONIGHT.

MICHIGAN SOUTH 12430 12420 12320 11430 11530. WAVES 3 TO 6 FT
OCCASIONALLY TO 9 FT SUBSIDING TO 2 TO 4 FT OCCASIONALLY TO 6 FT
TODAY. WAVES BUILDING TO 3 TO 5 FT OCCASIONALLY TO 8 FT TONIGHT.

$$

RODRIGUEZ