Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 200129
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
829 PM CDT SUN APR 19 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...LOW PRESSURE OF 29.4 INCHES OVER NORTHERN INDIANA WILL
LIFT NORTH JUST EAST OF LAKE MICHIGAN TONIGHT AND DEEPEN TO 29.0
INCHES BY MONDAY EVENING AS IT LIFTS ACROSS ONTARIO. THIS LOW
WILL GRADUALLY MOVE EAST TO THE NEW ENGLAND COAST BY THURSDAY. A
RIDGE OF HIGH PRESSURE AVERAGING 30.2 INCHES WILL BUILD ACROSS THE
CANADIAN PRAIRIES WHERE IT WILL GENERALLY REMAIN THROUGH THE END
OF THE WEEK.

LMZ261-362-364-366-563-565-567-868-201015-
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-
829 PM CDT SUN APR 19 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TONIGHT...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST.
SHOWERS OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT BACKING TO WEST 15 TO 25 KT.
SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING SOUTHWEST. CHANCE
OF SHOWERS IN THE EVENING...THEN CHANCE OF RAIN AND SNOW SHOWERS
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. CHANCE OF
SHOWERS. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST 10 TO
20 KT. CHANCE OF RAIN AND SNOW SHOWERS. WAVES 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KT INCREASING TO
10 TO 20 KT. CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FT SUBSIDING TO
1 TO 3 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. CHANCE OF RAIN AND SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-201015-
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-
829 PM CDT SUN APR 19 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 20 KT VEERING TO
SOUTHWEST 10 TO 20 KT. RAIN. PATCHY FOG. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 3 TO 5 FT OCCASIONALLY TO
7 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT BECOMING SOUTHWEST. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...WEST WINDS TO 30 KT. CHANCE OF SHOWERS. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT.
.TUESDAY NIGHT...WEST WINDS 15 TO 25 KT INCREASING TO 30 KT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...WEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT IN
THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 15 KT BECOMING NORTHWEST.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KT BECOMING NORTH 10 TO 15 KT.
WAVES 1 TO 2 FT.

$$
LMZ761-201015-
MAFOR 2004/
MICHIGAN NORTH 11236 12136 11826 11726 13630. CHANCE OF SHOWERS
MONDAY AFTERNOON AND EVENING. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT MONDAY AND MONDAY
EVENING.

MICHIGAN SOUTH 11126 11126 19526 11526 11626 14630. PATCHY FOG
TONIGHT. CHANCE OF SHOWERS MONDAY AFTERNOON. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT SUBSIDING TO 2 TO 4 FT OVERNIGHT. WAVES
BUILDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT MONDAY AND CONTINUING
MONDAY EVENING.

$$


BMD


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