Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 171956
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
256 PM CDT FRI APR 17 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...
HIGH PRESSURE OF 30.1 INCHES OVER THE GREAT LAKES WILL REMAIN
THIS EVENING. LOW PRESSURE OF 29.8 INCHES OVER WESTERN ONTARIO
WILL SLIDE EAST TONIGHT...WITH A TRAILING FRONTAL BOUNDARY SAGGING
SOUTH ACROSS THE NORTHERN GREAT LAKES. AS A STRONGER HIGH PRESSURE
OF 30.3 INCHES OVER MANITOBA SLIDES SOUTH TONIGHT...THIS FRONTAL
BOUNDARY WILL SLIDE SOUTH ACROSS THE LAKE LATE TONIGHT INTO
SATURDAY MORNING. HIGH PRESSURE THEN DRIFTS EAST TO QUEBEC FOR THE
SECOND HALF OF THE WEEKEND. ANOTHER LOW PRESSURE OF 29.5 INCHES
WILL SLOWLY MOVE EAST THROUGH THE CENTRAL PLAINS AND MID
MISSISSIPPI VALLEY SUNDAY...REACHING SOUTHERN LAKE MICHIGAN SUNDAY
NIGHT. THIS LOW WILL THEN LIFT NORTHEAST TO QUEBEC ON MONDAY AS IT
STRENGTHENS TO 29.1 INCHES.

LMZ261-362-364-366-563-565-567-868-180330-
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 FRI APR 17 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTH WINDS 10 TO 15 KT BECOMING SOUTHWEST THIS
EVENING...THEN BECOMING NORTH 15 TO 25 KT AFTER MIDNIGHT. WAVES 1
TO 2 FT BUILDING TO 2 TO 4 FT.
.SATURDAY...NORTHEAST WINDS 15 TO 25 KT DIMINISHING TO 10 TO
20 KT. WAVES BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT BECOMING SOUTHEAST 15 TO
25 KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...SOUTHEAST WINDS 15 TO 25 KT BECOMING EAST. CHANCE OF
SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY NIGHT...EAST WINDS 15 TO 25 KT BECOMING SOUTHEAST.
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST. SHOWERS
LIKELY. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT. WAVES 2 TO 4 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT.
CHANCE OF SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO 10 TO
15 KT. WAVES 2 TO 4 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-180330-
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 FRI APR 17 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...VARIABLE WINDS AROUND 10 KT BECOMING SOUTH THIS
EVENING...THEN VEERING TO NORTHWEST 10 TO 20 KT LATE. WAVES 1 TO
2 FT.
.SATURDAY...NORTH WINDS 15 TO 25 KT BECOMING NORTHEAST 10 TO 20 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KT INCREASING TO 15 TO 25
KT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SUNDAY...EAST WINDS 15 TO 25 KT. SHOWERS IN THE AFTERNOON. WAVES
4 TO 6 FT OCCASIONALLY TO 8 FT.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KT BACKING TO WEST. SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT.
CHANCE OF SHOWERS. WAVES 2 TO 4 FT.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST 10 TO
15 KT. WAVES 2 TO 4 FT.

$$

LMZ761-180330-
MAFOR 1722/
MICHIGAN NORTH 12410 11510 11720 11830 12130 11120. WAVES 1 TO 2
FT BUILDING TO 2 TO 4 FT TONIGHT. WAVES BUILDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT SATURDAY.

MICHIGAN SOUTH 11910 12410 11510 11720 12830 11120. WAVES 1 TO 2
FT TONIGHT. WAVES 2 TO 4 FT BUILDING TO 4 TO 6 FT OCCASIONALLY TO
8 FT SATURDAY.

$$


RODRIGUEZ


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