Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 161359
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
859 AM CDT SAT JUL 16 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...HIGH PRESSURE OF 30.1 INCHES ACROSS THE GREAT LAKES
WILL SLIDE EAST TOWARDS THE MIDDLE ATLANTIC REGION SUNDAY. A WARM
FRONT WILL PASS OVER THE LAKE FROM SOUTH TO NORTH SUNDAY AS LOW
PRESSURE OF 29.8 INCHES MOVES OVER NORTHERN LAKE MICHIGAN. THIS
WILL BE FOLLOWED BY A COLD FRONT THAT WILL MOVE SOUTH ACROSS THE
LAKE MONDAY INTO MONDAY NIGHT. HIGH PRESSURE OF 30.2 INCHES WILL
RETURN BEHIND THE COLD FRONT TUESDAY.

LMZ261-362-364-366-563-565-567-868-162130-
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-
859 AM CDT SAT JUL 16 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH AND
INCREASING TO 10 TO 20 KT EARLY THIS AFTERNOON. WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
OVERNIGHT. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT. A FEW GALE
FORCE GUSTS TO 35 KT POSSIBLE. CHANCE OF SHOWERS AND THUNDERSTORMS
IN THE MORNING... THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE
AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO
10 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS TO 30 KT BECOMING WEST 10 TO
20 KT OVERNIGHT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTH. WAVES 2 TO
4 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 20 KT DIMINISHING TO 5 TO 10 KT
OVERNIGHT. WAVES 1 TO 3 FT.
.TUESDAY...NORTH WINDS 5 TO 10 KT BACKING TO SOUTH. WAVES 1 TO
2 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-162130-
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-
859 AM CDT SAT JUL 16 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...VARIABLE WINDS 10 KT OR LESS BECOMING SOUTH 10 TO
15 KT. WAVES 1 TO 3 FT.
.TONIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT IN
THE PREDAWN HOURS. WAVES 2 TO 4 FT.
.SUNDAY...SOUTH WINDS 15 TO 25 KT INCREASING TO 30 KT. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO
25 KT. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.
.MONDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES
1 TO 2 FT.
.TUESDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT.
WAVES 1 TO 3 FT.

$$
LMZ761-162130-
MAFOR 1615/
MICHIGAN NORTH 10300 11400 14420 11420 11430 11440. CHANCE OF
SHOWERS AND THUNDERSTORMS SUNDAY MORNING. WAVES 1 TO 3 FT
TODAY AND 2 TO 4 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT SUNDAY MORNING.

MICHIGAN SOUTH 11900 13410 12420 11430 11440. CHANCE OF SHOWERS
AND THUNDERSTORMS SUNDAY MORNING. WAVES 1 TO 3 FT TODAY AND 2 TO
4 FT TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4
TO 7 FT OCCASIONALLY TO 9 FT SUNDAY MORNING.

$$

RC



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