Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 271331
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
831 AM CDT WED APR 27 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...SPRAWLING HIGH PRESSURE OF 30.5 INCHES ACROSS
NORTHERN MANITOBA...ONTARIO AND HUDSON BAY REMAINS STATIONARY FOR
THE NEXT FEW DAYS AND THEN DRIFTS EAST OVER QUEBEC EARLY NEXT
WEEK. THE 29.5 INCH LOW OVER KANSAS WEAKENS TO 29.8 INCHES AS IT
PASSES OVER CENTRAL ILLINOIS THURSDAY AFTERNOON...AND THEN REACHES
THE CENTRAL ATLANTIC COAST FRIDAY. BROAD HIGH PRESSURE AVERAGING
30.2 INCHES SPREADS OVER THE LAKE FRIDAY WHILE THE NEXT LOW FORMS
OVER THE SOUTHERN PLAINS SATURDAY AT AROUND 29.6 INCHES. THE LOW
PASSES OVER THE SOUTHERN MISSISSIPPI VALLEY SUNDAY.

LMZ261-362-364-366-563-565-272200-
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-
831 AM CDT WED APR 27 2016

TWO RIVERS WI TO MANISTEE MI NORTH

.REST OF TODAY...NORTHEAST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT SUBSIDING TO 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KT. SCATTERED SHOWERS. WAVES
2 TO 4 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-567-669-671-673-675-777-779-868-870-872-874-876-878-272200-
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-
831 AM CDT WED APR 27 2016

TWO RIVERS WI TO MANISTEE MI SOUTH

.REST OF TODAY...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST THIS
AFTERNOON. WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST. CHANCE OF
SHOWERS IN THE EVENING...THEN SHOWERS LIKELY WITH SLIGHT CHANCE OF
THUNDERSTORMS OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST. SCATTERED
SHOWERS. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS
IN THE EVENING. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO
2 TO 4 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT BECOMING NORTH. WAVES 1 TO
3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
2 TO 4 FT.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KT INCREASING TO 30 KT. CHANCE
OF SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$
LMZ761-272200-
MAFOR 2715/
MICHIGAN NORTH 11120 14130 11130 12120. SCATTERED RAIN SHOWERS
THURSDAY MORNING. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
TONIGHT. WAVES SUBSIDING TO 2 TO 4 FT THURSDAY MORNING.

MICHIGAN SOUTH 11230 13130 11230 12236 11230. CHANCE OF RAIN
SHOWERS LATE TONIGHT AND THURSDAY MORNING. WAVES 3 TO 6 FT
OCCASIONALLY TO 8 FT TODAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
TONIGHT AND THURSDAY MORNING.

$$


KJB


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