Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 061954
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
254 PM CDT MON JUL 6 2015

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 29.8 INCHES OVER CENTRAL WISCONSIN
WILL MOVE TO THE CENTRAL GREAT LAKES AND DEEPEN TO 29.7 INCHES BY
AROUND MIDNIGHT. THIS LOW WILL CONTINUE TO WESTERN QUEBEC BY
EARLY TUESDAY AFTERNOON...WITH A FRONTAL BOUNDARY DROPPING SOUTH
DOWN THE LAKE LATE TONIGHT. HIGH PRESSURE OF 30.1 INCHES WILL
THEN BUILD EAST ACROSS THE CENTRAL GREAT LAKES THROUGH WEDNESDAY.
LOW PRESSURE AROUND 29.9 INCHES WILL MOVE EAST ACROSS THE CORN
BELT ON WEDNESDAY NIGHT FOLLOWED BY A RIDGE OF HIGH PRESSURE
AVERAGING 30.0 INCHES MOVING EAST THROUGH THE OHIO VALLEY.

LMZ261-362-364-366-563-565-567-868-070330-
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-
254 PM CDT MON JUL 6 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT VEERING TO NORTHWEST BY
EARLY OVERNIGHT. A FEW GUSTS TO 30 KT POSSIBLE. AREAS OF FOG THIS
EVENING. SHOWERS AND THUNDERSTORMS THIS EVENING...THEN CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 6 FT OCCASIONALLY
TO 8 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT BY
LATE MORNING...AND THEN 10 TO 15 KT LATE IN THE DAY. WAVES 3 TO 5
FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 3 FT.
.WEDNESDAY...NORTH WINDS LESS THAN 10 KT. WAVES 1 FT OR LESS.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST.
WAVES 1 FT OR LESS.
.THURSDAY...NORTH WINDS 5 TO 10 KT BACKING TO WEST. WAVES 1 FT OR
LESS.
.THURSDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
.FRIDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 FT
OR LESS.
.SATURDAY...SOUTH WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-070330-
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-
254 PM CDT MON JUL 6 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTH WINDS 10 TO 20 KT VEERING WEST EARLY OVERNIGHT
AND THEN NORTHWEST 15 TO 25 KT LATE. AREAS OF FOG THIS EVENING.
SHOWERS AND THUNDERSTORMS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...NORTH WINDS 20 TO 25 KT WITH A FEW GUSTS TO 30 KT.
CHANCE OF SHOWERS IN THE MORNING. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.
.TUESDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO
20 KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO
5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHEAST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...EAST WINDS 5 TO 10 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH. CHANCE OF
THUNDERSTORMS. WAVES AROUND 1 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 10 KT BACKING TO SOUTH.
WAVES 1 FT OR LESS.
.FRIDAY...SOUTHEAST WINDS 10 TO 15 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 2 FT.
.SATURDAY...SOUTHEAST WINDS 5 TO 10 KT BECOMING SOUTH. WAVES 1 TO
3 FT.

$$

LMZ761-070330-
MAFOR 0621/
MICHIGAN NORTH 12539 19543 11639 19643 12730 11830 12820. CHANCE
OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT TONIGHT SUBSIDING TO 3 TO 5 FT OCCASIONALLY
TO 7 FT TUESDAY MORNING...FURTHER SUBSIDING TO 2 TO 4 FT TUESDAY
AFTERNOON.

MICHIGAN SOUTH 13429 11629 11739 13830 19840. AREAS OF FOG THIS
EVENING. CHANCE OF SHOWERS TUESDAY MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9
FT TUESDAY.

$$

MTF



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