Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 230153
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
853 PM CDT WED JUL 22 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 OVER LAKE
MICHIGAN THROUGH THURSDAY NIGHT BEFORE INCHING EASTWARD AS LOW
PRESSURE AROUND 29.6 INCHES DEVELOPS ACROSS THE NORTHERN PLAINS.
THIS LOW WILL MOVE TO EASTERN ONTARIO BY SATURDAY MORNING
BRINGING A WEAKENING COLD FRONT TO THE NORTHERN PART OF THE LAKE
SATURDAY. WEAK HIGH PRESSURE OF 29.9 INCHES WILL THEN POSITION
ITSELF OVER THE LAKE DURING SUNDAY AND MONDAY.

LMZ261-362-364-366-563-565-567-868-230930-
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-
853 PM CDT WED JUL 22 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTH WINDS AROUND 10 KT. WAVES 1 TO 2 FT.
.THURSDAY...VARIABLE WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 FT
OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES
1 FT OR LESS.
.MONDAY...VARIABLE WINDS LESS THAN 10 KT. WAVES 1 FT OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-230930-
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-
853 PM CDT WED JUL 22 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS AROUND 10 KT BECOMING SOUTHWEST.
WAVES 1 TO 2 FT.
.THURSDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING VARIABLE BY EARLY
AFTERNOON. WAVES 1 FT OR LESS.
.THURSDAY NIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST.
WAVES 1 FT OR LESS.
.FRIDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10 KT
IN THE AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. CHANCE OF SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 FT OR
LESS.
.MONDAY...NORTHEAST WINDS 5 TO 10 KT BECOMING NORTH. WAVES 1 TO
2 FT.

$$
LMZ761-230930-
MAFOR 2303/
MICHIGAN NORTH 13400 12900 12400 11410. WAVES 1 TO 2 FEET
TONIGHT. WAVES 1 FOOT OR LESS THURSDAY.

MICHIGAN SOUTH 11400 14500 12900 11400. WAVES 1 TO 2 FEET
TONIGHT. WAVES 1 FOOT OR LESS THURSDAY.

$$


RODRIGUEZ


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