Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 062045
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
245 PM CST FRI MAR 6 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...AN EXPANSIVE AREA OF HIGH PRESSURE AVERAGING 30.6
INCHES...STRETCHING FROM TEXAS TO NEW ENGLAND THIS AFTERNOON...WILL
GRADUALLY SAG SOUTHWARD THROUGH SATURDAY. MEANWHILE...A 29.6 INCH
LOW NEAR JAMES BAY WILL MOVE ACROSS NORTHERN QUEBEC. A SECOND 29.7
INCH LOW WILL QUICKLY TRACK FROM SOUTHERN MANITOBA THIS
EVENING...EASTWARD OVER THE UPPER GREAT LAKES ON SATURDAY. A WEAK
RIDGE OF HIGH PRESSURE AT 30.1 INCHES WILL THEN MOVE OVER LAKE
MICHIGAN SATURDAY NIGHT INTO SUNDAY MORNING...WITH ANOTHER LOW
AVERAGING 29.3 INCHES EXPECTED TO SHIFT OVER NORTHERN MANITOBA BY
MONDAY EVENING.

LMZ261-362-364-366-563-565-567-868-070445-
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-
245 PM CST FRI MAR 6 2015

SHEBOYGAN WI TO PENTWATER MI NORTH

.TONIGHT...SOUTHWEST WINDS TO 30 KT...WITH A FEW GALE FORCE GUSTS
TO 35 KT POSSIBLY THROUGH EARLY EVENING...EASING TO 10 TO 20 KT
BY LATE EVENING. CHANCE OF SNOW SHOWERS. WAVES 8 TO 11 FT
OCCASIONALLY TO 14 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT
OVERNIGHT.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING NORTHWEST 15 TO
25 KT IN THE AFTERNOON. CHANCE OF SNOW. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KT DIMINISHING TO
10 TO 15 KT...THEN BECOMING WEST LATE. WAVES 2 TO 4 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING...THEN
CHANCE OF SNOW IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KT. CHANCE OF SNOW SHOWERS.
WAVES 2 TO 4 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO 25 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.WEDNESDAY...WEST WINDS 10 TO 20 KT. WAVES 1 TO 3 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-070445-
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-
245 PM CST FRI MAR 6 2015

SHEBOYGAN WI TO PENTWATER MI SOUTH

.TONIGHT...SOUTHWEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT
FROM LATE EVENING ON. SLIGHT CHANCE OF SNOW SHOWERS. WAVES 8 TO
11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY
TO 10 FT OVERNIGHT.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST. SLIGHT
CHANCE OF SNOW. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KT DIMINISHING TO
10 TO 15 KT. WAVES 2 TO 4 FT.
.SUNDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
IN THE AFTERNOON. SLIGHT CHANCE OF SNOW IN THE MORNING... THEN
SLIGHT CHANCE OF RAIN OR SNOW IN THE AFTERNOON. WAVES 2 TO 4 FT.
.SUNDAY NIGHT...WEST WINDS 10 TO 20 KT. SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FT.
.MONDAY...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
IN THE AFTERNOON. WAVES 2 TO 4 FT.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KT INCREASING TO 15 TO
25 KT OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT DIMINISHING TO 10 TO 20 KT
IN THE AFTERNOON. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 15 KT. WAVES 1 TO 3 FT.

WAVE FORECAST IS FOR ICE FREE AREAS

$$

LMZ761-070445-
MAFOR 0622/
MICHIGAN NORTH 11540 19550 11530 14520 11620 11730. FREEZING SPRAY
LIKELY EARLY. CHANCE OF SNOW. WAVES 8 TO 11 FT OCCASIONALLY TO 14
FT SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT TONIGHT...AND TO 3
TO 5 FT OCCASIONALLY TO 7 FT SATURDAY.

MICHIGAN SOUTH 12540 14530 12630. FREEZING SPRAY LIKELY EARLY.
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 5 TO 8 FT
OCCASIONALLY TO 10 FT TONIGHT...AND TO 3 TO 5 FT OCCASIONALLY TO
7 FT SATURDAY.

$$

KJB





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