Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 191119
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
619 AM 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...
A LOW PRESSURE TROUGH AVERAGING 29.7 INCHES SLIDES EAST FROM THE
PLAINS TODAY. AN AREA OF LOW PRESSURE AVERAGING 29.5 INCHES WILL
DEVELOP FROM THIS TROUGH ACROSS THE LOWER OHIO VALLEY BY MIDDAY
TODAY. THIS LOW WILL MOVE TO LOWER MICHIGAN TONIGHT AND DEEPEN TO
29.3 INCHES AS IT DOES. BY MONDAY EVENING...THE LOW WILL
CONSOLIDATE WITH ONE FROM THE SOUTHERN CANADIAN PRAIRIES OVER
EASTERN ONTARIO. THIS LOW WILL BE SLOW TO DEPART THE
REGION...LIKELY REMAINING JUST NORTH OR NORTHEAST OF THE GREAT
LAKES REGION INTO WEDNESDAY.

LMZ261-362-364-366-563-565-567-868-191515-
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-
619 AM CDT SUN APR 19 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TODAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING EAST. SLIGHT CHANCE
OF SHOWERS THIS AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...EAST WINDS 15 TO 25 KT BECOMING NORTHEAST. SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...NORTH WINDS 10 TO 20 KT BECOMING WEST. SHOWERS LIKELY
IN THE MORNING...THEN CHANCE OF SHOWERS IN THE AFTERNOON. WAVES
2 TO 4 FT.
.MONDAY NIGHT...WEST WINDS 10 TO 20 KT. CHANCE OF SHOWERS IN THE
EVENING...THEN CHANCE OF RAIN AND SNOW SHOWERS OVERNIGHT. WAVES
2 TO 4 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT. CHANCE OF SHOWERS. WAVES 3 TO
5 FT OCCASIONALLY TO 7 FT.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT. CHANCE OF RAIN AND SNOW SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO
20 KT. CHANCE OF RAIN AND SNOW SHOWERS. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-191515-
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-
619 AM CDT SUN APR 19 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TODAY...EAST WINDS 15 TO 25 KT. SHOWERS AND SLIGHT CHANCE OF
THUNDERSTORMS THIS AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7
FT.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KT BACKING TO WEST 10 TO
20 KT. SHOWERS IN THE EVENING...THEN SHOWERS LIKELY OVERNIGHT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...WEST WINDS 10 TO 15 KT INCREASING TO 15 TO 25 KT.
SHOWERS LIKELY IN THE MORNING...THEN CHANCE OF SHOWERS IN THE
AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT INCREASING TO 30 KT. WAVES
BUILDING TO 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. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT BECOMING WEST. WAVES
2 TO 4 FT.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES 2 TO 4 FT.

$$
LMZ761-191515-
MAFOR 1910/
MICHIGAN NORTH 12330 12230 12236 12136. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TODAY THROUGH TONIGHT.

MICHIGAN SOUTH 14230 12136 11736 11626. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT TODAY THROUGH TONIGHT.
$$


BEACHLER


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