Great Lakes Forecast
Issued by NWS

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FZUS63 KLOT 261347
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
847 AM CDT THU MAR 26 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 29.7 INCHES OVER THE MIDDLE OHIO
VALLEY WILL MOVE NORTHEAST TODAY...REACHING NEW ENGLAND AFTER
DEEPENING TO AROUND 29.5 INCHES BY EVENING. HIGH PRESSURE OF 30.5
INCHES WILL SHIFT SOUTHEAST OUT OF CANADA LATER THIS EVENING...
MOVING OVER THE WESTERN GREAT LAKES FRIDAY NIGHT INTO SATURDAY.
THIS HIGH WILL CONTINUE TO DRIFT SOUTHEAST ACROSS THE SOUTHEASTERN
U.S. SATURDAY NIGHT...WHILE ANOTHER LOW AVERAGING 29.2 INCHES
PASSES OVER SOUTHERN ONTARIO SUNDAY AND SUNDAY NIGHT.

LMZ261-362-364-366-563-565-567-868-262145-
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-
847 AM CDT THU MAR 26 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.REST OF TODAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO 30
KT BY LATE MORNING. CHANCE OF SNOW. WAVES 3 TO 5 FT OCCASIONALLY
TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.TONIGHT...NORTH WINDS TO 30 KT. SLIGHT CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY...NORTH WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT. WAVES
SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST 10 TO
15 KT. WAVES SUBSIDING TO 2 TO 4 FT.
.SATURDAY...NORTHWEST WINDS 5 TO 10 KT BACKING TO SOUTHWEST.
WAVES SUBSIDING TO 1 TO 2 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KT INCREASING TO 30 KT
LATE. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH GALES TO 40 KT BECOMING SOUTHWEST IN THE AFTERNOON.
CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 10 TO 14 FT
OCCASIONALLY TO 18 FT.
.MONDAY...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT.
WAVES SUBSIDING TO 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-262145-
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-
847 AM CDT THU MAR 26 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.REST OF TODAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST. WAVES
3 TO 5 FT OCCASIONALLY TO 7 FT.
.TONIGHT...NORTH WINDS TO 30 KT. SLIGHT CHANCE OF RAIN OR SNOW
SHOWERS IN THE EVENING...THEN CHANCE OF SNOW SHOWERS OVERNIGHT.
WAVES BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.FRIDAY...NORTH WINDS TO 30 KT. CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SCATTERED FLURRIES IN THE AFTERNOON. WAVES 6 TO
9 FT OCCASIONALLY TO 11 FT.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KT EASING TO 10 TO 20 KT.
WAVES SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY...NORTH WINDS 10 TO 15 KT BECOMING VARIABLE 5 TO 10 KT.
WAVES SUBSIDING TO 1 TO 3 FT.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KT INCREASING TO 30 KT
LATE. WAVES BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH GALES TO 35 KT BECOMING SOUTHWEST IN THE AFTERNOON.
CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 8 TO 11 FT
OCCASIONALLY TO 14 FT.
.MONDAY...NORTHWEST WINDS TO 30 KT DIMINISHING TO 10 TO 20 KT IN
THE AFTERNOON. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.

$$
LMZ761-262145-
MAFOR 2616/
MICHIGAN NORTH 10630 12740 11840 11847 14840. CHANCE OF SNOW
SHOWERS THIS AFTERNOON AND THIS EVENING. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
THIS AFTERNOON AND TO 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT
AND EARLY FRIDAY.

MICHIGAN SOUTH 10630 12730 15840. CHANCE OF SNOW SHOWERS LATE
TONIGHT AND EARLY FRIDAY. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT
THIS AFTERNOON BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT TONIGHT
AND EARLY FRIDAY.

$$

RATZER


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