Great Lakes Forecast
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000
FZUS63 KMQT 250920
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
420 AM EST TUE NOV 25 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...28.8 INCH LOW PRESSURE OVER NORTHERN QUEBEC WILL CONTINUE
TO TRACK NORTHEASTWARD TODAY AS THE TROUGH EXTENDING OVER NORTHERN
LAKE HURON WEAKENS FROM 29.4 INCHES TO 29.9 INCHES. A 30.1 INCH HIGH
PRESSURE RIDGE FROM THE NORTHERN PLAINS WILL MOVE INTO THE UPPER
GREAT LAKES THIS AFTERNOON AND REMAIN OVER THE AREA INTO WEDNESDAY.
BROAD HIGH PRESSURE OF 30.5 INCHES FROM SOUTH CENTRAL CANADA WILL
THEN BUILD SOUTHEASTWARD ACROSS THE UPPER MISSISSIPPI VALLEY ON
THURSDAY AS A 30.1 INCH TROUGH SETTLES OVER THE LOWER GREAT LAKES.
THE RIDGE WILL CROSS THE UPPER GREAT LAKES AT 30.2 INCHES THURSDAY
NIGHT AND FRIDAY BEFORE 29.5 INCH LOW PRESSURE TRACKS EASTWARD FROM
THE NORTHERN PLAINS TO THE UPPER GREAT LAKES ON SATURDAY.

LSZ162-251730-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
420 AM EST TUE NOV 25 2014 /320 AM CST TUE NOV 25 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.TODAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ263-251730-
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-
420 AM EST TUE NOV 25 2014

.EARLY THIS MORNING...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY.
A CHANCE OF SNOW. WAVES 5 TO 8 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO 15 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 1 TO
3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 5 TO 9 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.

$$

LSZ264-251730-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
420 AM EST TUE NOV 25 2014

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
A CHANCE OF SNOW. WAVES 7 TO 10 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. FREEZING
SPRAY IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES BUILDING TO 6 TO 10 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 4 TO 7 FEET.

$$

LSZ265-251730-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
420 AM EST TUE NOV 25 2014

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
SNOW. WAVES 8 TO 11 FEET SUBSIDING TO 7 TO 10 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. SNOW
SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF SNOW SHOWERS IN
THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS.
FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY IN THE MORNING. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO
6 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.

$$

LSZ266-251730-
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-
420 AM EST TUE NOV 25 2014

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
SNOW. WAVES 8 TO 11 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO
5 TO 8 FEET.

$$

LSZ267-251730-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
420 AM EST TUE NOV 25 2014

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. SNOW. WAVES
8 TO 11 FEET SUBSIDING TO 7 TO 10 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.WEDNESDAY...SOUTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTH AFTER
MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 3 TO 6 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO
4 TO 7 FEET.

$$

LSZ261-251730-
MAFOR 2510/
SUPERIOR WEST 11730 11720 11710 11610 11620 11520 11510 11610.
SLIGHT CHANCE OF SNOW SHOWERS. WAVES 4 TO 6 FEET SUBSIDING TO 1 TO 3
FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 11840 11830 12720 13620 11710. FREEZING SPRAY
THIS MORNING. CHANCE OF SNOW SHOWERS. WAVES 7 TO 10 FEET SUBSIDING
TO 3 TO 5 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL 11847 11747 11737 11720 12620 12510. SLIGHT
CHANCE OF SNOW SHOWERS TONIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 4 TO
6 FEET TODAY. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET TONIGHT.

SUPERIOR EAST 11847 11837 11827 12720 11620 11610 11510. CHANCE OF
SNOW SHOWERS THIS AFTERNOON AND TONIGHT. WAVES 6 TO 9 FEET SUBSIDING
TO 3 TO 5 FEET TODAY. WAVES 2 TO 4 FEET TONIGHT.

$$

VOSS




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