Great Lakes Forecast
Issued by NWS

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161
FZUS63 KLOT 271347
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
847 AM CDT WED JUL 27 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...THE 30.0 INCH HIGH OVER NORTHERN ILLINOIS WILL WEAKEN
AND SHIFT SOUTH TODAY. A COLD FRONT JUST NORTH OF LAKE MICHIGAN
WILL SHIFT DOWN THE LAKE THROUGH THURSDAY AFTERNOON. A WEAK LOW
FORMS OVER THE SOUTHERN MISSISSIPPI VALLEY EARLY THURSDAY MORNING
AND PASSES SOUTH OF THE LAKE AT 29.9 INCHES THURSDAY. HIGH
PRESSURE OF 30.1 INCHES WILL THEN BUILD ACROSS THE WESTERN GREAT
LAKES DURING THE END OF THE WEEK...DRIFTING OVER LAKE MICHIGAN
DURING THE WEEKEND.

LMZ261-362-364-366-563-565-567-868-272130-
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-
847 AM CDT WED JUL 27 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING NORTH BY
EARLY AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO
2 FT.
.TONIGHT...NORTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 15 TO
25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO
15 KT. WAVES 1 TO 3 FT.
.SATURDAY...EAST WINDS 5 TO 10 KT BECOMING NORTHEAST. WAVES 1 TO
2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING EAST. WAVES 1 FT OR
LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-272130-
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-
847 AM CDT WED JUL 27 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING VARIABLE
LATE THIS AFTERNOON. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THIS MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS THIS
AFTERNOON. WAVES 2 FT OR LESS.
.TONIGHT...VARIABLE WINDS 5 TO 10 KT BECOMING NORTHEAST 10 TO 15
KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH 15 TO
25 KT. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH 10 TO 20 KT.
WAVES 2 TO 4 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST. WAVES
1 TO 3 FT.
.SATURDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST 5 TO 10 KT
IN THE AFTERNOON. WAVES 1 TO 3 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES 1 TO
2 FT.

$$
LMZ761-272130-
MAFOR 2715/
MICHIGAN NORTH 11500 12800 14110 11120. CHANCE OF SHOWERS AND
THUNDERSTORMS TODAY AND TONIGHT. WAVES 1 TO 3 FT TODAY AND
TONIGHT. WAVES BUILDING TO 2 TO 4 FT THURSDAY MORNING.

MICHIGAN SOUTH 12500 12900 13110 11120. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS AFTERNOON...TONIGHT...AND THURSDAY
MORNING. WAVES 2 FT OR LESS TODAY AND TONIGHT. WAVES BUILDING TO
2 TO 4 FT THURSDAY MORNING.

$$


KJB



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