Great Lakes Forecast
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000
FZUS63 KMQT 112000
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EDT SAT OCT 11 2008

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.5 INCHES OVER LAKE ONTARIO WILL
REACH NEW ENGLAND SUNDAY. MEANWHILE...A LOW PRESSURE TROUGH
AVERAGING 30.0 INCHES EXTENDING FROM THE CENTRAL PLAINS TO
MINNESOTA WILL REMAIN NEARLY STATIONARY. LOW PRESSURE OF 29.5
INCHES OVER EASTERN COLORADO SATURDAY NIGHT WILL LIFT INTO WESTERN
ONTARIO AND WEAKEN TO 29.9 INCHES BY MONDAY. THE LOW WILL DRIFT
INTO QUEBEC TUESDAY AS HIGH PRESSURE OF 30.2 INCHES BUILDS INTO
THE GREAT LAKES. ANOTHER LOW PRESSURE SYSTEM OF 29.6 INCHES WILL
MOVE FROM CENTRAL CANADA TO NORTHERN ONTARIO AND HUDSON BAY
WEDNESDAY. LOOK FOR A 30.3 INCH RIDGE OF HIGH PRESSURE TO BUILD
INTO THE UPPER GREAT LAKES ON THURSDAY IN THE WAKE OF THE LOW.

LSZ162-120600-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
400 PM EDT SAT OCT 11 2008 /300 PM CDT SAT OCT 11 2008/

.LATE THIS AFTERNOON...NORTHEAST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS BY MIDNIGHT...THEN VEERING SOUTHEAST AFTER MIDNIGHT
AND BACKING EAST LATE. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH BY LATE MORNING.
A CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS BY MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST BY MID
AFTERNOON. PATCHY FOG THROUGH EARLY AFTERNOON. A CHANCE OF
SHOWERS AND THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. SHOWERS LIKELY AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN. WAVES 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF RAIN.
WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH. A SLIGHT
CHANCE OF SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-120600-
LAKE SUPERIOR FROM SAXON HARBOR WI TO UPPER ENTRANCE TO PORTAGE
CANAL MI 5NM OFF SHORE TO THE US/CANADIAN BORDER INCLUDING ISLE
ROYALE NATIONAL PARK-
400 PM EDT SAT OCT 11 2008

.LATE THIS AFTERNOON...EAST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS BY MIDNIGHT...THEN DIMINISHING TO 5 TO 15 KNOTS AFTER
MIDNIGHT. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY LATE MORNING. A SLIGHT CHANCE OF SHOWERS. WAVES CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS. PATCHY FOG. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST BY MID
AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS TO 30 KNOTS. SHOWERS LIKELY AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF RAIN. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO
4 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A
SLIGHT CHANCE OF RAIN. WAVES 2 TO 4 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ264-120600-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
400 PM EDT SAT OCT 11 2008

.LATE THIS AFTERNOON...SOUTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT
CHANCE OF SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY
MIDNIGHT...THEN BACKING SOUTHEAST LATE. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SHOWERS
THROUGH EARLY AFTERNOON. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND A
SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST TO
30 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 2 TO 4 FEET.
.MONDAY NIGHT...WEST WINDS TO 30 KNOTS WITH A FEW GALE FORCE GUSTS
TO 35 KNOTS. SHOWERS LIKELY AND A SLIGHT CHANCE OF THUNDERSTORMS.
WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO
3 TO 5 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A
SLIGHT CHANCE OF RAIN. WAVES 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ265-120600-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
400 PM EDT SAT OCT 11 2008

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH BY
MIDNIGHT. A SLIGHT CHANCE OF SHOWERS BY MIDNIGHT. WAVES SUBSIDING
TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS BY MIDNIGHT. PATCHY FOG. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS BY MID AFTERNOON. PATCHY FOG. A CHANCE OF SHOWERS AND
THUNDERSTORMS. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS
AFTER MIDNIGHT. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN. WAVES SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. A
SLIGHT CHANCE OF RAIN. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.

$$

LSZ266-267-120600-
LAKE SUPERIOR EAST OF A LINE FROM MANITOU ISLAND TO MARQUETTE MI
AND WEST OF A LINE FROM GRAND MARAIS MI TO THE US/CANADIAN BORDER
BEYOND 5NM FROM SHORE-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
400 PM EDT SAT OCT 11 2008

.LATE THIS AFTERNOON...SOUTHEAST WINDS 15 TO 25 KNOTS. WAVES 3 TO
5 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SHOWERS BY MIDNIGHT.
A SLIGHT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. WAVES SUBSIDING
TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. PATCHY FOG. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS. WAVES 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS AFTER MIDNIGHT. SHOWERS LIKELY AND A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS
BY MID AFTERNOON. A CHANCE OF SHOWERS. WAVES SUBSIDING TO 4 TO
6 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN. WAVES SUBSIDING TO 1 TO
3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. A SLIGHT CHANCE OF RAIN. WAVES BUILDING TO 2 TO 4 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ261-120600-
MAFOR 1121/
SUPERIOR WEST 11120 11220 14310 12410. CHANCE OF SHOWERS. SLIGHT
CHANCE OF THUNDERSTORMS TONIGHT. WAVES CALM TO 3 FEET.
220102.

SUPERIOR NORTH CENTRAL 12320 12420 12320 11420 11410. CHANCE OF
SHOWERS. SLIGHT CHANCE OF THUNDERSTORMS TONIGHT. WAVES 1 TO 4
FEET. 220204.

SUPERIOR SOUTH CENTRAL 11330 12430 12420 13430. WAVES 1 TO 4 FEET.
220204.

SUPERIOR EAST 12330 15420. WAVES 2 TO 6 FEET. 220305.

$$

JLB/AJ






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  • Page last modified: Aug 26th, 2008 18:04 UTC
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