Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 101956
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 PM CDT THU APR 10 2014

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 28.6 INCH LOW IS OVER JAMES BAY AND WILL BEGIN TO
WEAKEN TO 28.9 INCHES AS IT LIFTS NORTHEAST INTO NORTHERN QUEBEC FRIDAY
MORNING. A TRAILING FRONTAL BOUNDARY WAS PUSHING SOUTH ACROSS THE
SOUTHERN PORTION OF LAKE MICHIGAN THIS AFTERNOON...AS HIGH PRESSURE
AVERAGING 30.1 INCHES PASSES SOUTH OF THE LAKE TONIGHT AND FRIDAY.
A WEAK LOW OF 29.7 INCHES PASSES OVER ONTARIO TONIGHT INTO FRIDAY
AS WELL. A 29.6 INCH LOW OVER ALBERTA DEEPENS TO 29.5 INCHES OVER
THE PLAINS FRIDAY NIGHT. A WEAK LOW AROUND 29.6 INCHES PASSES OVER
LAKE SUPERIOR SATURDAY EVENING WHILE THE LARGER MAIN LOW WILL
IMPACT THE LAKE LATE THIS WEEKEND INTO EARLY NEXT WEEK.

LMZ261-362-364-563-110400-
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 ROCK ISLAND PASSAGE TO STURGEON BAY WI-
256 PM CDT THU APR 10 2014

STURGEON BAY WI TO POINT BETSIE MI NORTH

.TONIGHT...WEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT...THEN BECOMING
SOUTHWEST 5 TO 10 KT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO 3 FT.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS IN THE AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 2
TO 4 FT.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 20 KT BECOMING SOUTHEAST 10 TO
15 KT. CHANCE OF SHOWERS IN THE EVENING. WAVES 1 TO 3 FT.
.SATURDAY...SOUTHEAST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS IN
THE AFTERNOON. WAVES 1 TO 3 FT.
.SATURDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING EAST 10 TO
20 KT. SHOWERS WITH A CHANCE OF THUNDERSTORMS IN THE EVENING...
THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS OVERNIGHT.
WAVES 2 TO 4 FT.
.SUNDAY...NORTH WINDS 15 TO 25 KT. CHANCE OF SHOWERS IN THE
MORNING...THEN SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...NORTH WINDS TO 30 KT. SNOW SHOWERS LIKELY WITH A
CHANCE OF SHOWERS. WAVES BUILDING TO 5 TO 8 FT OCCASIONALLY TO 10
FT.
.MONDAY...NORTH GALES TO 35 KT DIMINISHING TO WINDS TO 30 KT.
CHANCE OF RAIN AND SNOW SHOWERS. WAVES 6 TO 9 FT OCCASIONALLY TO
11 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SNOW. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-110400-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
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 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-
256 PM CDT THU APR 10 2014

STURGEON BAY WI TO POINT BETSIE MI SOUTH

.TONIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20
KT...THEN BACKING TO SOUTH 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 4
FT SUBSIDING TO 1 TO 3 FT LATE.
.FRIDAY...SOUTH WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 1 TO 3 FT.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KT. WAVES 1 TO 3 FT.
.SATURDAY...SOUTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF SHOWERS IN
THE MORNING...THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SATURDAY NIGHT...SOUTH WINDS 15 TO 25 KT. SHOWERS LIKELY WITH A
CHANCE OF THUNDERSTORMS IN THE EVENING...THEN SHOWERS WITH A
CHANCE OF THUNDERSTORMS OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.SUNDAY...WEST WINDS 15 TO 25 KT VEERING TO NORTH TO 30 KT.
SHOWERS WITH A CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...NORTH WINDS TO 30 KT INCREASING TO GALES TO 35 KT
OVERNIGHT. SHOWERS WITH POSSIBLE SNOW SHOWERS AND THUNDERSTORMS
LIKELY. WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
.MONDAY...NORTH GALES TO 35 KT. SHOWERS LIKELY WITH A CHANCE OF
SNOW SHOWERS. WAVES 8 TO 12 FT OCCASIONALLY TO 15 FT.
.TUESDAY...NORTH WINDS 15 TO 25 KT. SLIGHT CHANCE OF RAIN AND
SNOW. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ761-110400-
MAFOR 1021/
MICHIGAN NORTH 11630 11620 12500 12520 12530. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 3 FT BUILDING TO 2 TO
4 FT FRIDAY.

MICHIGAN SOUTH 11730 11720 11610 11500 14420. WAVES 2 TO 4 FT
SUBSIDING TO 1 TO 3 FT TONIGHT. WAVES 1 TO 3 FT FRIDAY.

$$

BEACHLER






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