Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 220854
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
254 AM CST SAT NOV 22 2014

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 29.3 INCHES OVER ONTARIO WILL MOVE
NORTHEAST INTO QUEBEC AND OUT OF THE REGION TODAY. ANOTHER LOW
PRESSURE OF 29.2 INCHES WILL DEVELOP OVER SOUTHERN MANITOBA TODAY
WHILE ANOTHER LOW OF 29.4 INCHES DEVELOPS OVER THE SOUTHERN PLAINS
TONIGHT. THE MANITOBA LOW WILL TRACK EAST ALONG THE CANADIAN
BORDER TOWARD LAKE SUPERIOR BY SUNDAY EVENING WHILE THE LOW OVER
THE SOUTHERN PLAINS BEGINS TO HOOK NORTHEAST TOWARD ILLINOIS BY
EARLY SUNDAY EVENING. THE TWO LOWS WILL MERGE OVER OVER LAKE
MICHIGAN SUNDAY NIGHT AND BEGIN TO RAPIDLY INTENSIFY...DEEPENING
TO 28.8 INCHES AS IT NEARS THE MACKINAC STRAITS BY EARLY MONDAY
MORNING. THE LOW TRACK NORTHEAST INTO QUEBEC MONDAY NIGHT
DEEPENING A BIT FARTHER TO 28.7 INCHES.

LMZ261-362-364-366-563-565-567-669-868-870-221630-
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-
254 AM CST SAT NOV 22 2014

PORT WASHINGTON WI TO WHITEHALL MI NORTH

...GALE WARNING IN EFFECT UNTIL 9 AM CST THIS MORNING...

.TODAY...SOUTHWEST GALES TO 40 KT DIMINISHING TO 30 KT THIS
MORNING...AND TO 20 TO 25 KT THIS AFTERNOON. CHANCE OF RAIN.
WAVES 12 TO 16 FT OCCASIONALLY TO 20 FT SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT THIS AFTERNOON.
.TONIGHT...SOUTH WINDS 15 TO 25 KT. AREAS OF FOG. AREAS OF
DRIZZLE AND A CHANCE OF SHOWERS. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT SUBSIDING TO 4 TO 7 FT OCCASIONALLY TO 9 FT OVERNIGHT.
.SUNDAY...SOUTH WINDS TO 30 KT. PATCHY FOG IN THE MORNING. CHANCE
OF SHOWERS IN THE MORNING...THEN RAIN IN THE AFTERNOON. WAVES 5TO
8 FT OCCASIONALLY TO 10 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING VARIABLE 10
TO 15 KT LATE. RAIN IN THE EVENING...THEN SHOWERS OVERNIGHT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KT BECOMING WEST GALES TO 40
KT. SHOWERS LIKELY IN THE MORNING...THEN SNOW SHOWERS IN THE
AFTERNOON. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT BUILDING TO 8 TO
12 FT OCCASIONALLY TO 15 FT IN THE AFTERNOON.
.MONDAY NIGHT...WEST GALES TO 40 KT DIMINISHING TO 30 KT
OVERNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT.
.TUESDAY...WEST WINDS 15 TO 25 KT. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8 FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 6 FT OCCASIONALLY TO 8 FT.

$$

LMZ080-671-673-675-777-779-872-874-876-878-221630-
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-
254 AM CST SAT NOV 22 2014

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

...GALE WARNING IN EFFECT UNTIL 9 AM CST THIS MORNING...

.TODAY...SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT THIS
MORNING...THEN TO 20 TO 25 KT LATER THIS AFTERNOON. RAIN LIKELY
THIS MORNING...THEN CHANCE OF SHOWERS OR DRIZZLE THIS AFTERNOON.
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT THIS AFTERNOON.
.TONIGHT...SOUTH WINDS 20 TO 25 KT INCREASING TO 30 KT. AREAS OF
FOG. SHOWERS LIKELY WITH AREAS OF DRIZZLE. WAVES 5 TO 8 FT
OCCASIONALLY TO 10 FT.
.SUNDAY...SOUTH WINDS TO 30 KT. PATCHY FOG IN THE MORNING.
SHOWERS LIKELY IN THE MORNING...THEN RAIN IN THE AFTERNOON. WAVES
5 TO 8 FT OCCASIONALLY TO 10 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTHWEST TO
30 KT TOWARD MORNING. RAIN IN THE EVENING...THEN SHOWERS
OVERNIGHT. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...SOUTHWEST GALES TO 40 KT. RAIN OR SNOW SHOWERS LIKELY IN
THE MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 10 TO 14 FT OCCASIONALLY TO 18 FT IN THE AFTERNOON.
.MONDAY NIGHT...WEST GALES TO 40 KT DIMINISHING TO 30 KT
OVERNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT OVERNIGHT.
.TUESDAY...WEST WINDS TO 30 KT. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 5 TO 8 FT OCCASIONALLY TO 10 FT IN THE AFTERNOON.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT. CHANCE OF SNOW SHOWERS.
WAVES 3 TO 5 FT OCCASIONALLY TO 7 FT.

$$

LMZ761-221630-
MAFOR 2210/
MICHIGAN NORTH...GALE WARNING IN EFFECT...
12550 19560 12540 11530 13433. CHANCE OF RAIN OR DRIZZLE. WAVES 12
TO 16 FT OCCASIONALLY TO 20 FT SUBSIDING TO 8 TO 12 FT
OCCASIONALLY TO 15 FT THIS AFTERNOON...THEN SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT OVERNIGHT.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...
12556 12540 11530 12433 11443. CHANCE OF RAIN OR DRIZZLE. WAVES 8
TO 11 FT OCCASIONALLY TO 14 FT SUBSIDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT THIS AFTERNOON...THEN TO 5 TO 8 FT
OCCASIONALLY TO 10 FT TONIGHT.

$$

IZZI




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