Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 260149
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
849 PM CDT MON MAY 25 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...A 29.7 INCH LOW IS OVER THE UPPER MIDWEST AND IT WILL
WEAKEN AS IT ARRIVES OVER WESTERN QUEBEC TUESDAY AFTERNOON. THE
LOWS STATIONARY FRONT REMAINS NORTH OF THE LAKE. ANOTHER WEAK 29.7
INCH LOW IS OVER NORTHERN SASKATCHEWAN AND IT MERGES WITH THE
FIRST LOW OVER WESTERN QUEBEC TUESDAY NIGHT. HIGH PRESSURE
AVERAGING 30.1 INCHES SPREADS OVER THE LAKE WEDNESDAY NIGHT. THE
NEXT LOW FORMS OVER THE PLAINS THURSDAY AND PASSES NORTH OF THE
LAKE FRIDAY. THE LOWS COLD FRONT SEEPS THROUGH FRIDAY NIGHT INTO
SATURDAY.

LMZ261-362-364-366-563-565-567-868-260800-
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-
849 PM CDT MON MAY 25 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH 10
TO 20 KT. AREAS OF FOG. CHANCE OF SHOWERS THIS EVENING...THEN
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO
6 FT OCCASIONALLY TO 8 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT IN
THE AFTERNOON. AREAS OF FOG. CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT DIMINISHING TO 5 TO 10
KT AND THEN BECOMING SOUTHWEST. AREAS OF FOG. SHOWERS LIKELY WITH
A CHANCE OF THUNDERSTORMS IN THE EVENING...THEN CHANCE OF SHOWERS
AND THUNDERSTORMS OVERNIGHT. WAVES 1 TO 3 FT.
.WEDNESDAY...WEST WINDS 5 TO 10 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 1 TO 2 FT.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 5 TO 10 KT INCREASING TO 10 TO 15 KT.
WAVES 1 TO 2 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT BECOMING WEST LATE IN THE
AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY. WAVES 2 TO 4 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-260800-
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-
849 PM CDT MON MAY 25 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KT. AREAS OF FOG. SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT
LATE IN THE AFTERNOON. AREAS OF FOG. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS
LIKELY IN THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FT.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST.
AREAS OF FOG. SHOWERS AND THUNDERSTORMS LIKELY IN THE
EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT.
WAVES 1 TO 3 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.WEDNESDAY NIGHT...SOUTH WINDS LESS THAN 10 KT BECOMING
SOUTHWEST. WAVES 1 TO 2 FT.
.THURSDAY...SOUTH WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES 1
FT OR LESS.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KT BECOMING SOUTH.
WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST. CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES 1 TO 3 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.

$$
LMZ761-260800-
MAFOR 2604/
MICHIGAN NORTH 12530 14420 12410. AREAS OF FOG. CHANCE OF
SHOWERS THIS EVENING. CHANCE OF SHOWERS AND THUNDERSTORMS
TUESDAY AND TUESDAY EVENING. WAVES 3 TO 6 FT OCCASIONALLY TO 8
FT TONIGHT SUBSIDING TO 2 TO 4 FT TUESDAY.

MICHIGAN SOUTH 13420 12420 11429 12419. AREAS OF FOG. CHANCE OF
SHOWERS AND THUNDERSTORMS TUESDAY MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TONIGHT SUBSIDING TO 2 TO 4 FT TUESDAY.
WAVES 1 TO 3 FT TUESDAY EVENING.

$$


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