Great Lakes Forecast
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000
FZUS63 KLOT 302050
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
250 PM CST FRI JAN 30 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 29.8 INCHES STRETCHING FROM SOUTHERN
QUEBEC THROUGH EASTERN NEW ENGLAND... WILL MOVE OFF THE ATLANTIC
COAST THIS EVENING AND THEN DEEPEN TO 29.1 INCHES BY SATURDAY
MORNING IN THE GULF OF MAINE. A LARGE RIDGE OF HIGH PRESSURE OF
30.6 INCHES EXTENDING FROM LAKE SUPERIOR TO THE SOUTHERN
PLAINS...WILL SETTLE OVER THE OHIO VALLEY FRIDAY NIGHT. WEAK LOW
PRESSURE OF 30.0 INCHES WILL MOVE ACROSS THE NORTHERN LAKES ON
SATURDAY...DRAGGING A COLD FRONT SOUTH ACROSS THE LAKE SATURDAY
AFTERNOON. A LARGE AREA OF HIGH PRESSURE IS EXPECTED TO BUILD OUT
OF CENTRAL CANADA SUNDAY MORNING AND SPREAD ACROSS THE CENTRAL
PLAINS AND UPPER GREAT LAKES SUNDAY AFTERNOON AND SUNDAY NIGHT
WHILE LOW PRESSURE OF 29.9 INCHES DEVELOPS OVER THE LOWER OHIO
VALLEY AND TRACKS EAST TO THE MID ATLANTIC REGION BY MONDAY
MORNING AND DEEPENS TO 29.5 INCHES.

LMZ261-362-364-366-563-565-567-669-868-870-310445-
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 SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
250 PM CST FRI JAN 30 2015

PORT WASHINGTON WI TO WHITEHALL MI NORTH

.TONIGHT...SOUTHWEST WINDS 10 TO 15 KT INCREASING TO 10 TO 20 KT
FROM LATE EVENING ON. SLIGHT CHANCE OF SNOW SHOWERS THIS
EVENING...THEN CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT.
.SATURDAY...WEST WINDS 10 TO 20 KT BECOMING NORTHWEST EARLY IN
THE AFTERNOON...THEN BECOMING NORTH 15 TO 25 KT LATE. CHANCE OF
SNOW IN THE MORNING...THEN CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.SATURDAY NIGHT...NORTHEAST WINDS 20 TO 25 KT. CHANCE OF SNOW.
WAVES 6 TO 9 FT OCCASIONALLY TO 11 FT.
.SUNDAY...NORTHEAST WINDS TO 30 KT. CHANCE OF SNOW IN THE
MORNING...THEN SNOW IN THE AFTERNOON. WAVES 7 TO 10 FT
OCCASIONALLY TO 13 FT BUILDING TO 8 TO 12 FT OCCASIONALLY TO 15 FT
IN THE AFTERNOON.
.SUNDAY NIGHT...NORTH WINDS TO 30 KT...SUBSIDING TO 15 TO 25 KT
AFTER MIDNIGHT. CHANCE OF SNOW IN THE EVENING...THEN CHANCE OF SNOW
SHOWERS OVERNIGHT. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST. CHANCE OF
SNOW SHOWERS IN THE MORNING...THEN SLIGHT CHANCE OF SNOW SHOWERS
IN THE AFTERNOON. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT IN THE AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 4 TO
7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT. SNOW SHOWERS LIKELY.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-671-673-675-777-779-872-874-876-878-310445-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 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 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-
250 PM CST FRI JAN 30 2015

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

...GALE WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY
EVENING...

.TONIGHT...WEST WINDS 10 TO 15 KT BECOMING SOUTHWEST 10 TO 20 KT
FROM LATE EVENING ON. SLIGHT CHANCE OF SNOW SHOWERS OVERNIGHT.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING WEST 10 TO 20 KT
EARLY IN THE AFTERNOON...THEN BECOMING NORTHWEST 10 TO 15 KT
LATE. SLIGHT CHANCE OF SNOW IN THE MORNING...THEN SLIGHT CHANCE
OF SNOW SHOWERS IN THE AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO
8 FT.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KT BECOMING NORTHEAST AND INCREASING
TO 30 KT LATE. CHANCE OF SNOW IN THE EVENING...THEN SNOW
OVERNIGHT. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT BUILDING TO 6 TO 9
FT OCCASIONALLY TO 11 FT OVERNIGHT.
.SUNDAY...NORTHEAST WINDS TO 30 KT....INCREASING TO GALES TO 35 KT
IN THE AFTERNOON. SNOW. WAVES 7 TO 10 FT OCCASIONALLY TO 13 FT BUILDING TO
10 TO 14 FT OCCASIONALLY TO 18 FT IN THE AFTERNOON.
.SUNDAY NIGHT...NORTHEAST GALES TO 35 KT...SUBSIDING TO 30 KT IN
THE EVENING. SNOW SHOWERS LIKELY. WAVES 10 TO 14 FT OCCASIONALLY
TO 18 FT.
.MONDAY...NORTHWEST WINDS 10 TO 20 KT BECOMING WEST 10 TO 15 KT
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS. WAVES 9 TO 13 FT
OCCASIONALLY TO 16 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT
IN THE AFTERNOON.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FT BUILDING TO 4 TO 7 FT OCCASIONALLY TO
9 FT OVERNIGHT.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SUBSIDING TO 4 TO 6 FT
OCCASIONALLY TO 8 FT IN THE AFTERNOON.

$$

LMZ761-310445-
MAFOR 3022/
MICHIGAN NORTH 11610 13520 11530 11630 12720. CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT TONIGHT. WAVES 4 TO
6 FT OCCASIONALLY TO 8 FT SATURDAY.

MICHIGAN SOUTH 11610 11620 12520 12530 12620. WAVES 3 TO 5 FT
OCCASIONALLY TO 7 FT...BUILDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT
SATURDAY.

$$

KMD





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