Great Lakes Forecast
Issued by NWS

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000
FZUS63 KLOT 220251
GLFLM

OPEN LAKE FORECAST FOR LAKE MICHIGAN
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
851 PM CST FRI NOV 21 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...HIGH PRESSURE OF 30.6 INCHES IS OVER THE MID ATLANTIC
COAST THIS EVENING. LOW PRESSURE OF 29.3 INCHES IS OVER FAR
NORTHWESTERN ONTARIO AND WILL DEEPEN TO 29.2 INCHES AS IT MOVES
EAST TO NEAR JAMES BAY SATURDAY MORNING. ANOTHER LOW OF 29.3
INCHES WILL MOVE ACROSS THE NORTHERN PLAINS SATURDAY NIGHT THEN
WEAKEN AS IT REACHES WESTERN LAKE SUPERIOR SUNDAY NIGHT.
MEANWHILE...NEW LOW PRESSURE WILL DEVELOP OVER THE SOUTHERN PLAINS
SATURDAY NIGHT AND DEEPEN TO 29.2 INCHES AS IT REACHES SOUTHERN
LAKE MICHIGAN SUNDAY EVENING. THIS LOW WILL CONTINUE TO DEEPEN TO
28.9 INCHES AS IT REACHES EASTERN LAKE SUPERIOR ON MONDAY.

LMZ261-362-364-366-563-565-567-669-868-870-221115-
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-
851 PM CST FRI NOV 21 2014

PORT WASHINGTON WI TO WHITEHALL MI NORTH

...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...SOUTHWEST GALES TO 45 KT. CHANCE OF LIGHT RAIN OR
LIGHT FREEZING RAIN OVERNIGHT. WAVES 10 TO 14 FT OCCASIONALLY TO
18 FT.
.SATURDAY...SOUTHWEST GALES TO 35 KT DIMINISHING TO 30 KT IN
THE MORNING. CHANCE OF RAIN. SLIGHT CHANCE OF LIGHT FREEZING
RAIN IN THE MORNING. WAVES 10 TO 14 FT OCCASIONALLY TO 18 FT
SUBSIDING TO 7 TO 10 FT OCCASIONALLY TO 13 FT IN THE AFTERNOON.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH
OVERNIGHT. CHANCE OF RAIN. WAVES SUBSIDING TO 4 TO 7 FT
OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH WINDS TO 30 KT. AREAS OF FOG. RAIN. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTHWEST
OVERNIGHT. RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...WEST GALES TO 40 KT. RAIN...MIXING WITH SNOW IN THE
AFTERNOON. WAVES BUILDING TO 6 TO 9 FT OCCASIONALLY TO 11 FT.
.MONDAY NIGHT...WEST GALES TO 35 KT BECOMING NORTHWEST TO 30 KT
OVERNIGHT. SNOW SHOWERS LIKELY. WAVES 7 TO 10 FT OCCASIONALLY TO
13 FT.
.TUESDAY...NORTHWEST WINDS TO 30 KT BECOMING WEST 15 TO 25 KT.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 4 TO 6 FT OCCASIONALLY
TO 8 FT.
.WEDNESDAY...WEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO 30 KT
WEDNESDAY NIGHT. CHANCE OF SNOW. WAVES 3 TO 6 FT OCCASIONALLY TO
8 FT.

$$

LMZ080-671-673-675-777-779-872-874-876-878-221115-
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-
851 PM CST FRI NOV 21 2014

PORT WASHINGTON WI TO WHITEHALL MI SOUTH

...GALE WARNING IN EFFECT THROUGH SATURDAY MORNING...

.TONIGHT...SOUTH WINDS TO 30 KT BECOMING SOUTHWEST GALES TO 35
KT LATE THIS EVENING. LIGHT RAIN OR LIGHT FREEZING RAIN OVERNIGHT.
WAVES 5 TO 8 FT OCCASIONALLY TO 10 FT BUILDING TO 7 TO 10 FT
OCCASIONALLY TO 13 FT OVERNIGHT.
.SATURDAY...SOUTHWEST GALES TO 35 KT EARLY...DIMINISHING TO 30
KT IN THE MORNING. LIGHT RAIN. CHANCE OF LIGHT FREEZING RAIN IN
THE MORNING. WAVES SUBSIDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KT BECOMING SOUTH.
AREAS OF FOG. CHANCE OF RAIN IN THE EVENING...THEN RAIN OVERNIGHT.
WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT.
.SUNDAY...SOUTH WINDS TO 30 KT. RAIN. AREAS OF FOG. WAVES 4 TO
7 FT OCCASIONALLY TO 9 FT.
.SUNDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KT BECOMING SOUTHWEST
TO 30 KT OVERNIGHT. RAIN. WAVES 4 TO 6 FT OCCASIONALLY TO 8 FT.
.MONDAY...WEST GALES TO 40 KT. CHANCE OF RAIN. CHANCE OF SNOW IN
THE AFTERNOON. WAVES BUILDING TO 8 TO 11 FT OCCASIONALLY TO 14
FT.
.MONDAY NIGHT...WEST GALES TO 40 KT. CHANCE OF SNOW SHOWERS.
WAVES 8 TO 11 FT OCCASIONALLY TO 14 FT.
.TUESDAY...WEST WINDS TO 30 KT DIMINISHING TO 15 TO 25 KT
TUESDAY NIGHT. CHANCE OF SNOW SHOWERS. WAVES 6 TO 9 FT
OCCASIONALLY TO 11 FT SUBSIDING TO 4 TO 6 FT OCCASIONALLY TO 8
FT.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KT BECOMING NORTHWEST TO
30 KT WEDNESDAY NIGHT. CHANCE OF SNOW. WAVES BUILDING TO 5 TO 7
FT OCCASIONALLY TO 9 FT.

$$
LMZ761-221115-
MAFOR 2204/
MICHIGAN NORTH...GALE WARNING IN EFFECT...13560 11550 13540
11530. CHANCE OF RAIN AND LIGHT FREEZING RAIN AFTER MIDNIGHT
OVERNIGHT. CHANCE OF RAIN SATURDAY AND SATURDAY EVENING. WAVES 10
TO 14 FT OCCASIONALLY TO 18 FT OVERNIGHT. WAVES SUBSIDING TO 7 TO
10 FT OCCASIONALLY TO 13 FT SATURDAY. WAVES 6 TO 9 FT OCCASIONALLY
TO 11 FT SATURDAY EVENING.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...10440 12550 12556 12546
11543 11533. CHANCE OF RAIN OR FREEZING RAIN OVERNIGHT. WAVES 5 TO
8 FT OCCASIONALLY TO 10 FT BUILDING TO 7 TO 10 FT OCCASIONALLY TO
13 FT OVERNIGHT. WAVES SUBSIDING TO 5 TO 7 FT OCCASIONALLY TO 9 FT
SATURDAY. WAVES 4 TO 7 FT OCCASIONALLY TO 9 FT SATURDAY EVENING.

$$

BMD






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