Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 271956
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 PM 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
NORTHERNMANITOBA...ONTARIO AND HUDSON BAY WILL REMAIN STATIONARY
FOR THENEXT FEW DAYS AND THEN DRIFT EAST OVER QUEBEC EARLY NEXT
WEEK. A29.4 INCH LOW OVER EASTERN NEBRASKA WILL WEAKEN TO 29.8
INCHES AS ITMOVES ACROSS CENTRAL ILLINOIS THURSDAY AFTERNOON...AND
THEN REACHTHE CENTRAL ATLANTIC COAST FRIDAY. BROAD HIGH PRESSURE
AVERAGING30.2 INCHES WILL SPREAD OVER THE LAKE FRIDAY WHILE LOW
PRESSUREAVERAGING 29.6 INCHES FORMS OVER THE PLAINS FRIDAY NIGHT
INTOSATURDAY. THE LOW WILL MOVE TO THE OHIO VALLEY ON SUNDAY AND
THENORTHEAST COAST ON MONDAY WHILE WEAKENING TO 29.7 INCHES.

LMZ261-362-364-366-563-565-567-868-280315-
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-
256 PM CDT WED APR 27 2016

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...NORTHEAST WINDS TO 30 KT EASING TO 10 TO 20 KT. SLIGHT
CHANCE OF SHOWERS OVERNIGHT. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.THURSDAY...EAST WINDS 10 TO 20 KT BECOMING NORTHEAST. SCATTERED
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4
FT.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO 5 TO
10 KT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 5 TO 10 KT. WAVES 1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.MONDAY...NORTH WINDS 10 TO 15 KT BECOMING NORTHWEST. WAVES 1 TO
3 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-280315-
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-
256 PM CDT WED APR 27 2016

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BECOMING EAST. CHANCE OF
SHOWERS THIS 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 AND
DIMINISHING TO 10 TO 20 KT LATE. SCATTERED SHOWERS. WAVES 4 TO 7
FT OCCASIONALLY TO 9 FT SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7
FT LATE.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT. CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO
7 FT SUBSIDING TO 1 TO 3 FT.
.FRIDAY...NORTH WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...NORTHEAST WINDS 10 TO 15 KT BECOMING EAST. WAVES
1 TO 3 FT.
.SATURDAY...NORTHEAST WINDS 10 TO 15 KT INCREASING TO 10 TO
20 KT. CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT DIMINISHING TO 10 TO 15 KT.
WAVES 2 TO 4 FT.

$$

LMZ761-280315-
MAFOR 2721/
MICHIGAN NORTH 11140 13130 11120 11220 12120. SCATTERED RAIN
SHOWERS THURSDAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT TONIGHT
SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT AND TO 2 TO
4 FT ON THURSDAY.

MICHIGAN SOUTH 12130 11230 13236 11230 11130. CHANCE OF RAIN
SHOWERS THIS EVENING. SCATTERED RAIN SHOWERS THURSDAY. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT THURSDAY AFTERNOON.

$$

RC



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