Great Lakes Forecast
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000
FZUS63 KMQT 120759
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 AM EDT SUN OCT 12 2008

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.5 INCHES WILL REMAIN OVER NEW
ENGLAND TODAY. MEANWHILE...A LOW PRESSURE TROUGH AVERAGING 29.9
INCHES EXTENDING FROM THE CENTRAL PLAINS TO MINNESOTA WILL REMAIN
NEARLY STATIONARY. LOW PRESSURE OF 29.5 INCHES OVER EASTERN
COLORADO WILL LIFT INTO WESTERN ONTARIO AND WEAKEN TO 29.9 INCHES
BY MONDAY. THIS LOW WILL MOVE TO JAMES BAY BY TUESDAY MORNING AND
DEEPEN TO 29.4 INCHES WHILE HIGH PRESSURE OF 30.3 INCHES MOVES TO
THE PIEDMONT REGION OF NORTH CAROLINA. THE LOW OVER JAMES BAY WILL
THEN DEEPEN FURTHER TO 29.1 INCHES OVER QUEBEC TUESDAY EVENING.
HIGH PRESSURE OF 30.3 INCHES WILL THEN MOVE INTO THE CENTRAL
PLAINS TUESDAY EVENING AND BUILD INTO THE NORTHERN PLAINS AND
UPPER GREAT LAKES WEDNESDAY NIGHT AND THURSDAY.

LSZ162-122045-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 AM EDT SUN OCT 12 2008 /259 AM CDT SUN OCT 12 2008/

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...

.EARLY THIS MORNING...NORTHEAST WINDS 5 TO 15 KNOTS. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS. WAVES 1 TO 3 FEET SUBSIDING
TO CALM TO 2 FEET.
.TODAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST BY LATE
MORNING...THEN INCREASING TO 10 TO 20 KNOTS LATE. ISOLATED
THUNDERSTORMS EARLY. SCATTERED SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS AFTER MIDNIGHT. PATCHY FOG. SHOWERS LIKELY AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO 20
KNOTS LATE. PATCHY FOG. SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 30 KNOTS
AFTER MIDNIGHT. FREQUENT GALE FORCE GUSTS TO 35 KNOTS EXPECTED AFTER
MIDNIGHT. A CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS EXPECTED
IN THE MORNING. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO
2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH. A SLIGHT
CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-264-122045-
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-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 AM EDT SUN OCT 12 2008

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...

.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH BY LATE
MORNING. ISOLATED THUNDERSTORMS EARLY. ISOLATED SHOWERS. WAVES 1
TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS THROUGH MIDNIGHT...THEN SHOWERS LIKELY. A SLIGHT CHANCE OF
THUNDERSTORMS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
BY LATE MORNING BECOMING SOUTHWEST LATE. PATCHY FOG. SHOWERS
LIKELY. WAVES 1 TO 3 FEET.
.MONDAY NIGHT...WEST WINDS TO 30 KNOTS INCREASING TO GALES TO 35
KNOTS AFTER MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN A
CHANCE OF SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.TUESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO
5 TO 8 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ265-122045-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 AM EDT SUN OCT 12 2008

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. ISOLATED
SHOWERS. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20
KNOTS BY LATE MORNING...THEN BACKING SOUTHEAST BY MID AFTERNOON.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS. WAVES BUILDING TO
1 TO 3 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST TO
30 KNOTS AFTER MIDNIGHT. FREQUENT GALE FORCE GUSTS TO 35 KNOTS
EXPECTED AFTER MIDNIGHT. SHOWERS LIKELY THROUGH MIDNIGHT...THEN
A CHANCE OF SHOWERS. WAVES BUILDING TO 4 TO 6 FEET.
.TUESDAY...WEST WINDS TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. FREQUENT GALE FORCE GUSTS TO 35 KNOTS EXPECTED
IN THE MORNING. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY AFTERNOON.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS. A SLIGHT CHANCE OF SHOWERS. WAVES SUBSIDING TO 1 TO 3
FEET.

$$

LSZ266-267-122045-
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-
359 AM EDT SUN OCT 12 2008

...GALE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY
AFTERNOON...

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. ISOLATED
SHOWERS. WAVES 1 TO 3 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
BY EARLY AFTERNOON...THEN INCREASING TO 10 TO 20 KNOTS LATE.
WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25
KNOTS AFTER MIDNIGHT. PATCHY FOG. A CHANCE OF SHOWERS AND A SLIGHT
CHANCE OF THUNDERSTORMS. WAVES 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS. PATCHY FOG. A CHANCE OF
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS TO 30 KNOTS VEERING TO WEST GALES
TO 35 KNOTS AFTER MIDNIGHT. PATCHY FOG THROUGH MIDNIGHT. SHOWERS
LIKELY. WAVES BUILDING TO 6 TO 9 FEET.
.TUESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS
BY MID AFTERNOON. A SLIGHT CHANCE OF SHOWERS THROUGH EARLY
AFTERNOON. WAVES BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO
7 TO 10 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. WAVES
BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.

$$

LSZ261-122045-
MAFOR 1209/
SUPERIOR WEST 14210 11210 11326 11336 11426. ISOLATED THUNDERSTORMS
THIS MORNING. SCATTERED SHOWERS TODAY. PATCHY FOG WITH A SLIGHT
CHANCE OF THUNDERSTORMS TONIGHT. WAVES CALM TO 3 FEET. 220103.

SUPERIOR NORTH CENTRAL 11316 11310 14420 11420 11436. PATCHY FOG
AND A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF THUNDERSTORMS
TONIGHT. WAVES CALM TO 3 FEET. 220103.

SUPERIOR SOUTH CENTRAL 11420 11320 14420 11420 11430. ISOLATED
SHOWERS EARLY THIS MORNING. PATCHY FOG AND A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS TONIGHT. WAVES 1 TO 3 FEET.
220103.

SUPERIOR EAST 13320 12320 12420 11430. A CHANCE OF SHOWERS AND
THUNDERSTORMS TONIGHT. WAVES 1 TO 3 FEET. 220203.

$$

MICHELS





  • NOAA National Weather Service
  • Marquette, MI Weather Forecast Office
  • 112 Airpark Drive South
  • Negaunee, MI 49866
  • Page Author: MQT Webmaster
  • Web Master's E-mail: w-mqt.webmaster@noaa.gov
  • Page last modified: Aug 26th, 2008 18:04 UTC
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