Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 290225
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
925 PM EST FRI NOV 28 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.3 INCHES EXTENDING FROM THE GULF
COAST INTO THE LOWER GREAT LAKES WILL SHIFT VERY SLOWLY EASTWARD
THROUGH SATURDAY MORNING. AT THE SAME TIME...LOW PRESSURE OF 29.5
INCHES WILL DEVELOP OVER THE NORTHERN HIGH PLAINS. THE LOW WILL TRACK
EAST ACROSS THE UPPER GREAT LAKES SATURDAY THEN REACH QUEBEC BY
SUNDAY MORNING. THE LOW WILL SHIFT TO NORTHEASTERN QUEBEC SUNDAY
NIGHT THROUGH MONDAY AS HIGH PRESSURE OF 30.7 INCHES BUILDS FROM THE
NORTHERN PLAINS INTO THE UPPER GREAT LAKES REGION. THIS HIGH PRESSURE
SYSTEM WILL PUSH INTO QUEBEC BY TUESDAY AS LOW PRESSURE OF 29.8
INCHES DEVELOPS OVER THE NORTHERN PLAINS. THIS LOW WILL SHIFT
EASTWARD AND MERGE WITH ANOTHER LOW OF 29.6 INCHES OVER HUDSON BAY.
AS THIS HAPPENS...THE LOW WILL DRAG A TROUGH AVERAGING 29.8 INCHES
ACROSS LAKE SUPERIOR WEDNESDAY.

LSZ162-291030-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
925 PM EST FRI NOV 28 2014 /825 PM CST FRI NOV 28 2014/

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS...POSSIBLY MIXED
WITH FREEZING RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO
1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF FREEZING RAIN...MIXING WITH OR CHANGING
TO RAIN IN THE AFTERNOON. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
SLIGHT CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET.
.SUNDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
WAVES BUILDING TO 5 TO 8 FEET.
.MONDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS. FREEZING SPRAY. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ263-291030-
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-
925 PM EST FRI NOV 28 2014

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. ISOLATED SNOW SHOWERS...POSSIBLY MIXED WITH
FREEZING RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET BUILDING TO
1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW...POSSIBLY MIXED WITH
RAIN IN THE MORNING. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES 4 TO 7 FEET.
.SUNDAY NIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 8 TO 11 FEET.
.MONDAY...NORTHWEST GALES TO 35 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS BECOMING WEST 20 TO 30 KNOTS.
FREEZING SPRAY. A CHANCE OF SNOW. WAVES BUILDING TO 8 TO
11 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 6 FEET.

$$

LSZ264-291030-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
925 PM EST FRI NOV 28 2014

.REST OF TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES CALM TO 2 FEET
BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN AND FREEZING
RAIN. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.SUNDAY NIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS IN THE EVENING...THEN SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO 4 TO 7 FEET...THEN BUILDING TO 8 TO 11 FEET.
.MONDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS BECOMING WEST 20 TO 30 KNOTS.
FREEZING SPRAY. A CHANCE OF SNOW. WAVES BUILDING TO 10 TO
14 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
3 TO 5 FEET.

$$

LSZ265-291030-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
925 PM EST FRI NOV 28 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW
SHOWERS. WAVES CALM TO 2 FEET BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN...FREEZING
RAIN AND SNOW IN THE MORNING...CHANGING TO ALL RAIN IN THE AFTERNOON.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY.
FREEZING SPRAY IN THE AFTERNOON. WAVES BUILDING TO 5 TO 9 FEET.
.SUNDAY NIGHT...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 4 TO 7 FEET...THEN BUILDING TO 6 TO 9 FEET.
.MONDAY...NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO
5 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS BECOMING WEST 20 TO 30 KNOTS.
FREEZING SPRAY. A CHANCE OF SNOW. WAVES BUILDING TO 7 TO
10 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET.

$$

LSZ266-291030-
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-
925 PM EST FRI NOV 28 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
.SATURDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW...POSSIBLY
MIXED WITH RAIN AND FREEZING RAIN. WAVES BUILDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES
SUBSIDING TO 3 TO 5 FEET...THEN BUILDING TO 4 TO 7 FEET.
.SUNDAY...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. FREEZING SPRAY IN
THE AFTERNOON. WAVES BUILDING TO 7 TO 11 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
GALES TO 35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO 5 TO 8 FEET...THEN BUILDING TO 8 TO
11 FEET.
.MONDAY...NORTHWEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 11 TO 15 FEET...THEN SUBSIDING
TO 8 TO 11 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS VEERING WEST. FREEZING SPRAY.
A CHANCE OF SNOW. WAVES BUILDING TO 10 TO 14 FEET...THEN
SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. FREEZING SPRAY. WAVES
4 TO 7 FEET.

$$

LSZ267-291030-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
925 PM EST FRI NOV 28 2014

.REST OF TONIGHT...SOUTH WINDS 15 TO 25 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 1 TO 3 FEET
BUILDING TO 3 TO 6 FEET.
.SATURDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW...
POSSIBLY MIXED WITH RAIN. WAVES 3 TO 6 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW
AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3
TO 5 FEET.
.SUNDAY...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES BUILDING TO
8 TO 11 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. FREEZING
SPRAY AFTER MIDNIGHT. WAVES SUBSIDING TO 5 TO 8 FEET...THEN
BUILDING TO 7 TO 10 FEET.
.MONDAY...WEST GALES TO 40 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES BUILDING TO 11 TO 15 FEET...THEN SUBSIDING TO 9 TO 12 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS VEERING SOUTHWEST. A CHANCE OF
SNOW. WAVES BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 8 FEET.

$$
LSZ261-291030-
MAFOR 2904/
SUPERIOR WEST 11420 13410 12520 12630. ISOLATED SNOW
SHOWERS...POSSIBLY MIXED WITH FREEZING RAIN OVERNIGHT. SLIGHT CHANCE
OF LIGHT RAIN AND FREEZING RAIN SATURDAY. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11320 14420 12520 11630. SCATTERED SNOW
SHOWERS OVERNIGHT THROUGH SATURDAY...POSSIBLY MIXED WITH RAIN OR
FREEZING RAIN SATURDAY. SLIGHT CHANCE OF RAIN SATURDAY EVENING.
WAVES 1 TO 6 FEET.

SUPERIOR SOUTH CENTRAL 11320 12420 13430 11530 11630. SCATTERED SNOW
SHOWERS OVERNIGHT. SLIGHT CHANCE OF RAIN SATURDAY...POSSIBLY MIXED
WITH RAIN AND SNOW IN THE MORNING. WAVES 1 TO 5 FEET.

SUPERIOR EAST 13330 11430 11440 12430 11530. SCATTERED SNOW SHOWERS
OVERNIGHT THROUGH SATURDAY...POSSIBLY MIXED WITH RAIN SATURDAY. SLIGHT
CHANCE OF RAIN AND SNOW SATURDAY EVENING. WAVES 2 TO 6 FEET.

$$

KEC





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