Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 171406
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
906 AM CDT SUN JUL 17 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...A LOW PRESSURE OF 29.5 INCHES OVER JAMES BAY WITH A
WEAKER LOW PRESSURE OF 29.7 INCHES ACROSS THE UPPER
MIDWEST...THESE TWO SYSTEMS WILL CONSOLIDATE OVER HUDSON BAY LATE
TONIGHT. A COLD FRONT THAT WILL MOVE SOUTH ACROSS THE LAKE MONDAY
INTO MONDAY NIGHT AS HIGH PRESSURE OF 30.2 INCHES WILL RETURN
TUESDAY. THIS HIGH WILL SHIFT EAST MID WEEK AND ALLOW ANOTHER
STRONG WARM FRONT TO PASS OVER THE LAKE THURSDAY.

LMZ261-362-364-366-563-565-567-868-172145-
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-
906 AM CDT SUN JUL 17 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...SOUTH WINDS TO 15 TO 25 KT...INCREASING TO 30
KT. SHOWERS AND THUNDERSTORMS LIKELY THIS MORNING...THEN CHANCE OF
SHOWERS AND THUNDERSTORMS THIS AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TONIGHT...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT
LATE IN THE EVENING...THEN BECOMING WEST 10 TO 20 KT OVERNIGHT.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING... THEN SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES 2 TO 4 FT.
.MONDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES
1 TO 2 FT.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-172145-
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-
906 AM CDT SUN JUL 17 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...SOUTH WINDS TO 30 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 5
TO 8 FT OCCASIONALLY TO 10 FT.
.TONIGHT...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST 15 TO 25 KT...
THEN BECOMING WEST 10 TO 20 KT LATE. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...NORTHWEST WINDS 10 TO 15 KT VEERING TO NORTHEAST. WAVES
2 TO 4 FT.
.MONDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. WAVES 1 TO 3 FT.
.TUESDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.
.TUESDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES
1 TO 3 FT.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.THURSDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$
LMZ761-172145-
MAFOR 1715/
MICHIGAN NORTH 11449 12440 11540 11530 11620 11610 11720. CHANCE
OF SHOWERS AND THUNDERSTORMS TONIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT TODAY. WAVES 5
TO 8 FT OCCASIONALLY TO 10 FT TONIGHT SUBSIDING TO 2 TO 4 FT
MONDAY MORNING.

MICHIGAN SOUTH 11449 12440 11449 12530 11620 11710. CHANCE OF
SHOWERS AND THUNDERSTORMS TODAY...TONIGHT...AND MONDAY MORNING.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT TODAY. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT MONDAY MORNING.

$$

KMD



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