Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 270155
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
855 PM CDT TUE JUL 26 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 30.0 INCHES ACROSS THE SOUTHERN
GREAT LAKES WILL REMAIN IN PLACE THROUGH THE DAY WEDNESDAY BEFORE
SLOWLY DRIFTING SOUTH AND WEAKENING. A COOL FRONT WILL MOVE ACROSS
THE NORTHERN PORTION OF THE LAKE TONIGHT AND THEN SHIFT DOWN THE
LAKE WEDNESDAY NIGHT...BEING ESCORTED BY A WEAK DEVELOPING LOW
PRESSURE OF 29.9 INCHES OVER LOWER MICHIGAN. 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.

LMZ261-362-364-366-563-565-567-868-270930-
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-
855 PM CDT TUE JUL 26 2016

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KT VEERING TO
NORTHWEST 5 TO 10 KT. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
.WEDNESDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH BY LATE
MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 15 KT BECOMING NORTHEAST 10
TO 20 KT BY LATE EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES 1 TO 3 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KT. OCCASIONAL GUSTS TO 25 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10
TO 20 KT. WAVES 2 TO 4 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 SUBSIDING TO 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. WAVES 1 FT OR LESS.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-270930-
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-
855 PM CDT TUE JUL 26 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST 10 TO
15 KT. WAVES 1 TO 2 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT BECOMING VARIABLE IN THE
AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES AROUND 1
FT.
.WEDNESDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1
TO 3 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 15 TO 20 KT
BY EARLY AFTERNOON. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2
TO 4 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 20 KT BECOMING NORTH. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT BECOMING EAST 10 TO
15 KT. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY...EAST WINDS 10 TO 15 KT BECOMING NORTHEAST. WAVES 1 TO
3 FT.
.SUNDAY...SOUTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES 1 TO
2 FT.

$$
LMZ761-270930-
MAFOR 2703/
MICHIGAN NORTH 11520 11610 12700 13800 11810. CHANCE OF SHOWERS
AND THUNDERSTORMS LATE THIS EVENING...WEDNESDAY...AND WEDNESDAY
EVENING. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT OVERNIGHT. WAVES 1
TO 2 FT WEDNESDAY AND 1 TO 3 FT WEDNESDAY EVENING.

MICHIGAN SOUTH 11400 19410 12510 12600 12900 11100. CHANCE OF
SHOWERS AND THUNDERSTORMS WEDNESDAY AND WEDNESDAY EVENING. WAVES 2
FT OR LESS.

$$

RC



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