Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 241350
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
850 AM CDT FRI JUL 24 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...HIGH PRESSURE OF 30.0 INCHES CENTERED JUST SOUTH OF
THE GREAT LAKES WILL MOVE EAST THROUGH TONIGHT. LOW PRESSURE OF
29.5 INCHES ACROSS NORTHERN ONTARIO LATE THIS AFTERNOON WILL MOVE
SLOWLY TO JAMES BAY BY SATURDAY MORNING. THIS WILL STEER A COLD
FRONT DOWN THE LAKE SATURDAY MORNING. HIGH PRESSURE OF 30.0 INCHES
WILL BUILD BACK OVER LAKE MICHIGAN SATURDAY NIGHT INTO THE DAY
SUNDAY. A WARM FRONT IS EXPECTED TO LIFT NORTHWARD OVER THE LAKE
SOMETIME LATE IN THE WEEKEND OR EARLY NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-242145-
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-
850 AM CDT FRI JUL 24 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 15 TO
25 KT THIS AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TONIGHT...SOUTH WINDS 15 TO 25 KT BECOMING SOUTHWEST 10 TO
20 KT AFTER MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT LATE.
.SATURDAY...NORTHWEST WINDS 10 TO 15 KT BECOMING SOUTHWEST IN THE
AFTERNOON. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. WAVES 1 TO
2 FT.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-242145-
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-
850 AM CDT FRI JUL 24 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING SOUTH 10 TO
20 KT. WAVES 1 TO 2 FT BUILDING TO 2 TO 4 FT THIS AFTERNOON.
.TONIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST AFTER
MIDNIGHT. CHANCE OF SHOWERS AND THUNDERSTORMS...MAINLY OVERNIGHT.
WAVES 2 TO 4 FT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT
LATE IN THE MORNING...THEN NORTH 10 TO 15 KT IN THE AFTERNOON.
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 3
FT.
.SATURDAY NIGHT...VARIABLE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.SUNDAY...SOUTHEAST WINDS 5 TO 10 KT. WAVES AROUND 1 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KT INCREASING TO 10 TO
15 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.MONDAY...SOUTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.TUESDAY...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$
LMZ761-242145-
MAFOR 2415/
MICHIGAN NORTH 11510 11420 13430 12520 11710. CHANCE OF SHOWERS
AND THUNDERSTORMS LATE THIS EVENING AND SATURDAY MORNING. WAVES 1 TO
3 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT THIS AFTERNOON.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2 TO 4 FT TONIGHT.
WAVES 1 TO 3 FT SATURDAY MORNING.

MICHIGAN SOUTH 11500 14420 13520. CHANCE OF SHOWERS AND
THUNDERSTORMS LATE TONIGHT AND SATURDAY MORNING. WAVES 1 TO 2 FT
BUILDING TO 2 TO 4 FT THIS AFTERNOON. WAVES 2 TO 4 FT TONIGHT.
WAVES 1 TO 3 FT SATURDAY MORNING.

$$


JEE



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