Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 230803
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
303 AM CDT SAT JUL 23 2016

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 29.4 INCHES WILL MOVE EAST ACROSS THE
CANADIAN MARITIMES OVERNIGHT...WITH A WEAK COLD FRONT SINKING
SOUTH OVER LAKE MICHIGAN. WEAK HIGH PRESSURE AVERAGING 30.0
INCHES OVER NORTHERN WISCONSIN WILL MOVE OVER THE LAKE TONIGHT
INTO SATURDAY. ANOTHER LOW OF 29.5 INCHES OVER THE SOUTHERN
CANADIAN PRAIRIES ON SATURDAY WILL MOVE ACROSS NORTHERN ONTARIO ON
SUNDAY AND TO JAMES BAY BY MONDAY MORNING. A TRAILING COLD FRONT
WILL PUSH ACROSS LAKE MICHIGAN SUNDAY NIGHT. HIGH PRESSURE OF 30.1
INCHES WILL MOVE FROM THE WESTERN GREAT LAKES ON MONDAY NIGHT TO
THE EASTERN LAKES BY WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-231530-
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-
303 AM CDT SAT JUL 23 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...NORTH WINDS LESS THAN 10 KT VEERING TO EAST. PATCHY FOG
THIS MORNING. WAVES 1 FT OR LESS.
.TONIGHT...EAST WINDS 5 TO 10 KT BACKING TO SOUTH AND INCREASING
TO 10 TO 20 KT LATE. SCATTERED SHOWERS AND THUNDERSTORMS IN THE
EVENING...THEN NUMEROUS SHOWERS AND THUNDERSTORMS OVERNIGHT.
WAVES 1 TO 2 FT BUILDING TO 1 TO 3 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 2 TO 4 FT SUBSIDING
TO 1 TO 3 FT.
.MONDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.MONDAY NIGHT...WEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTHWEST WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 FT OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-231530-
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-
303 AM CDT SAT JUL 23 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...SOUTHWEST WINDS LESS THAN 10 KT BECOMING EAST. PATCHY
FOG THIS MORNING. ISOLATED SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. WAVES 1 FT OR LESS.
.TONIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH AFTER
MIDNIGHT...THEN INCREASING TO 10 TO 20 KT LATE. SCATTERED SHOWERS
AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO 20 KT.
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST. WAVES
1 TO 3 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.MONDAY NIGHT...WEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.TUESDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 FT OR
LESS.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KT BACKING TO SOUTHEAST.
WAVES 1 TO 2 FT.

$$

LMZ761-231530-
MAFOR 2309/
MICHIGAN NORTH 11700 11800 12100 12200 11310 11410. SCATTERED
SHOWERS AND THUNDERSTORMS TONIGHT. WAVES 1 TO 3 FT.

MICHIGAN SOUTH 11503 13300 11200 12300 11410. SCATTERED SHOWERS
AND THUNDERSTORMS TONIGHT. WAVES 1 TO 3 FT.

$$

KMD



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