Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 231949
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
249 PM CDT THU JUL 23 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 30.0 INCHES WILL REMAIN STATIONARY
OVER THE GREAT LAKES REGION THROUGH TONIGHT BEFORE INCHING
EASTWARD AS LOW PRESSURE AROUND 29.6 INCHES DEVELOPS ACROSS THE
NORTHERN PLAINS. THIS LOW WILL CROSS HUDSON BAY BY SATURDAY WHILE
DRAGGING A WEAKENING COLD FRONT ACROSS THE LAKE. WEAK HIGH
PRESSURE OF 29.9 INCHES WILL THEN BUILD OVER THE LAKE SUNDAY AND
MONDAY.

LMZ261-362-364-366-563-565-567-868-240330-
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-
249 PM CDT THU JUL 23 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT BUILDING TO 2 TO 4 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 2 FT OR LESS.
.MONDAY THROUGH TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2
FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240330-
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-
249 PM CDT THU JUL 23 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.FRIDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT VEERING TO NORTH 5 TO
10 KT IN THE AFTERNOON. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTH WINDS 5 TO 10 KT BACKING TO SOUTH. WAVES
1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 2 FT
OR LESS.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT. WAVES 2 FT OR LESS.
.MONDAY...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ761-240330-
MAFOR 2321/
MICHIGAN NORTH 15500 11410 11420. WAVES 1 TO 2 FT TONIGHT. WAVES 1
TO 3 FT BUILDING TO 2 TO 4 FT FRIDAY.

MICHIGAN SOUTH 12400 14500 11410 11420. WAVES 1 TO 2 FT TONIGHT.
WAVES 1 TO 3 FT FRIDAY.

$$


BEACHLER


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