Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 231951
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
251 PM CDT SAT MAY 23 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 30.3 INCHES IS CENTERED OVER
VIRGINIA AND REACHES BACK THROUGH THE EASTERN PLAINS. AS THE HIGH
DRIFTS EAST THROUGH THE WEEKEND...A 29.6 INCH LOW FORMS OVER THE
CENTRAL PLAINS EARLY MONDAY MORNING. THE LOW MOVES OVER LAKE
SUPERIOR MONDAY NIGHT AND REACHES QUEBEC TUESDAY AFTERNOON. THE
LOWS COLD FRONT PASSES OVER THE LAKE TUESDAY NIGHT INTO WEDNESDAY.
ANOTHER WEAK LOW MAY ACCOMPANY THE COLD FRONT AS IT MOVES OVER THE
SOUTHERN END OF THE LAKE. HIGH PRESSURE AVERAGING 30.1 INCHES OVER
THE SOUTHEAST U.S. SPREADS NORTH OVER THE LAKE WEDNESDAY AND
EVENTUALLY PUSHES EAST LATE NEXT WEEK.

LMZ261-362-364-366-563-565-567-868-240330-
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-
251 PM CDT SAT MAY 23 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 15
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 1 TO 3 FT.
.SUNDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. PATCHY FOG IN THE AFTERNOON. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON. WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHEAST 10 TO
20 KT. AREAS OF FOG. SHOWERS. WAVES 1 TO 3 FT BUILDING TO 2 TO
4 FT.
.MONDAY...SOUTH WINDS TO 30 KT. SHOWERS IN THE MORNING. AREAS OF
FOG. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY NIGHT...SOUTH WINDS TO 30 KT. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY
TO 9 FT.
.TUESDAY...SOUTH WINDS 15 TO 25 KT. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. WAVES 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHWEST. AREAS
OF FOG. CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. AREAS OF
FOG. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 5 TO 10 KT BECOMING VARIABLE IN THE
AFTERNOON. AREAS OF FOG. WAVES 1 TO 2 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240330-
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-
251 PM CDT SAT MAY 23 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH 5 TO 10 KT.
WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
.SUNDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST 10 TO 15 KT
EARLY IN THE AFTERNOON...THEN INCREASING TO 10 TO 20 KT LATE.
SLIGHT CHANCE OF SHOWERS IN THE MORNING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON. PATCHY FOG IN THE AFTERNOON.
WAVES 1 TO 3 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KT BECOMING SOUTH 15 TO
25 KT. AREAS OF FOG. SHOWERS LIKELY. WAVES 2 TO 4 FT.
.MONDAY...SOUTH WINDS TO 30 KT. SHOWERS AND THUNDERSTORMS LIKELY
IN THE MORNING. AREAS OF FOG. WAVES 4 TO 7 FT OCCASIONALLY TO
9 FT.
.MONDAY NIGHT...SOUTH WINDS 15 TO 25 KT. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND
THUNDERSTORMS LIKELY IN THE AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KT. AREAS OF FOG.
CHANCE OF SHOWERS. WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 10 KT BECOMING WEST. AREAS OF
FOG. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 2 FT.
.THURSDAY...EAST WINDS 5 TO 10 KT BECOMING VARIABLE. AREAS OF
FOG. WAVES 1 FT OR LESS.

$$

LMZ761-240330-
MAFOR 2322/
MICHIGAN NORTH 11430 13520 11510 12400 11410. CHANCE OF SHOWERS
AND THUNDERSTORMS SUNDAY AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 3 FT SUNDAY.

MICHIGAN SOUTH 12310 11300 14400 11310. CHANCE OF SHOWERS AND
THUNDERSTORMS SUNDAY AFTERNOON. WAVES 1 TO 3 FT SUBSIDING TO 1 TO
2 FT TONIGHT. WAVES 1 TO 3 FT SUNDAY.

$$


JEE


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