Great Lakes Forecast
Issued by NWS

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910
FZUS63 KLOT 041947
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
247 PM CDT WED MAY 4 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...A BROAD 29.6 INCH LOW OVER THE OHIO VALLEY MERGES
WITH A LOW OVER THE ATLANTIC LATE TONIGHT. MEANWHILE...A 30.1
INCH HIGH OVER THE PLAINS SHIFTS OVER THE WESTERN GREAT LAKES
THURSDAY EVENING. A 29.5 INCH LOW OVER NORTHERN ALBERTA WEAKENS AS
IT MOVES OVER WESTERN ONTARIO FRIDAY MORNING...AND THEN
STRENGTHENS TO 29.4 INCHES AS IT MOVES OVER NORTHWEST QUEBEC
SATURDAY MORNING. THE LOWS COLD FRONT SINKS SOUTH DOWN THE LAKE
FRIDAY NIGHT INTO SATURDAY MORNING. HIGH PRESSURE OF 30.0 INCHES
BUILDS OVER THE LAKE SUNDAY.

LMZ261-362-364-366-563-565-050345-
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-
247 PM CDT WED MAY 4 2016

TWO RIVERS WI TO MANISTEE MI NORTH

.TONIGHT...NORTH WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT LATE.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY...NORTH WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT...THEN BACKING TO SOUTHWEST 5 TO 10 KT LATE. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 3 FT.
.THURSDAY NIGHT...SOUTH WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING WEST LATE.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE MORNING. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BECOMING WEST.
WAVES 1 TO 3 FT SUBSIDING TO 1 TO 2 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING NORTH. WAVES 1 TO 2 FT.
.MONDAY...EAST WINDS 5 TO 10 KT BECOMING SOUTHEAST. WAVES 1 FT OR
LESS.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-050345-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 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 PENTWATER TO MANISTEE MI 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-
247 PM CDT WED MAY 4 2016

TWO RIVERS WI TO MANISTEE MI SOUTH

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.TONIGHT...NORTH GALES TO 35 KT DIMINISHING TO 30 KT LATE.
SCATTERED SHOWERS THIS EVENING...THEN ISOLATED SHOWERS OVERNIGHT.
WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT SUBSIDING TO 6 TO 9 FT
OCCASIONALLY TO 11 FT.
.THURSDAY...NORTH WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT BACKING TO
SOUTHWEST LATE. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 2 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 15 KT BECOMING SOUTH 10 TO 20 KT.
WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KT BECOMING SOUTHWEST.
CHANCE OF SHOWERS AND THUNDERSTORMS OVERNIGHT. WAVES 2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS TO 30 KT BECOMING NORTH. CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KT BECOMING WEST 10 TO
15 KT LATE. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 2
TO 4 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST. WAVES 1 TO
2 FT.
.MONDAY...EAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.

$$

LMZ761-050345-
MAFOR 0421/
MICHIGAN NORTH...13840 11830 12820 11710 11600. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT
TONIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT THURSDAY.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...14850 11840 12830
11820. SCATTERED RAIN SHOWERS EARLY THIS EVENING. WAVES 8 TO 12
FT OCCASIONALLY TO 15 FT SUBSIDING TO 6 TO 9 FT OCCASIONALLY TO
11 FT TONIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO
3 TO 5 FT OCCASIONALLY TO 7 FT THURSDAY.

$$


JEE



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