Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 221350
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
850 AM CDT FRI JUL 22 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 OVER CENTRAL QUEBEC WILL
MOVE EAST TONIGHT WITH A TRAILING WEAK COLD FRONT SINKING SOUTH
OVER THE LAKE TODAY. A WEAK HIGH PRESSURE RIDGE AVERAGING 29.9
INCHES WILL MOVE OVER THE LAKE TONIGHT. ANOTHER LOW OF 29.5 INCHES
OVER THE FAR SOUTHERN CANADIAN PRAIRIES SATURDAY WILL MOVE INTO
ONTARIO BY SUNDAY NIGHT. A TRAILING COLD FRONT WILL PUSH ACROSS
LAKE MICHIGAN SUNDAY NIGHT INTO MONDAY MORNING. HIGH PRESSURE OF
30.1 INCHES WILL BUILD OVER THE WESTERN GREAT LAKES TUESDAY AND
EASTERN LAKES WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-222130-
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-
850 AM CDT FRI JUL 22 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST BY
MID AFTERNOON. WAVES 1 TO 2 FT.
.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT BECOMING WEST 5 TO 10 KT
LATE THIS EVENING AND THEN NORTHWEST AFTER MIDNIGHT. WAVES 1 TO 2
FT.
.SATURDAY...NORTH WINDS LESS THAN 10 KT VEERING TO EAST. WAVES
1 FT OR LESS.
.SATURDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO
20 KT OVERNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING...THEN SHOWERS AND THUNDERSTORMS LIKELY OVERNIGHT. WAVES
1 TO 2 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 15 KT. WAVES 2 TO FT SUBSIDING TO 1
TO 3 FT.
.MONDAY...WEST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TUESDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222130-
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-
850 AM CDT FRI JUL 22 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...SOUTHWEST WINDS AROUND 10 KT BECOMING VARIABLE 5
TO 10 KT BY AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THIS AFTERNOON. WAVES 1 TO 2 FT.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT. WAVES AROUND 1 FT.
.SATURDAY...SOUTHEAST WINDS LESS THAN 10 KT BECOMING EAST. WAVES
1 FT OR LESS.
.SATURDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING...THEN SHOWERS
AND THUNDERSTORMS LIKELY OVERNIGHT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT. CHANCE
OF SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 1 TO 3 FT.
.TUESDAY...NORTH WINDS 5 TO 10 KT BECOMING NORTHWEST. WAVES 1 TO
2 FT.

$$
LMZ761-222130-
MAFOR 2215/
MICHIGAN NORTH 12710 12510 11600 12700 11800. WAVES 2 FT OR LESS.

MICHIGAN SOUTH 11510 15900 11300. WAVES 2 FT OR LESS.

$$

MTF



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