Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 200231
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
931 PM EST FRI DEC 19 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.4 INCH RIDGE OVER THE UPPER GREAT LAKES WILL DRIFT
EASTWARD INTO THE CANADIAN MARITIMES BY LATE IN THE WEEKEND. A 29.5
INCH LOW PRESSURE TAKING SHAPE IN ALBERTA ON SUNDAY WILL SLIDE
SOUTHEAST THROUGH THE NORTHERN PLAINS ON MONDAY BEFORE STALLING OVER
THE UPPER MISSISSIPPI VALLEY ON TUESDAY. THIS LOW WILL THEN BE
ABSORBED BY A RAPIDLY DEVELOPING 28.9 INCH LOW OVER THE CENTRAL GREAT
LAKES ON WEDNESDAY. MEANWHILE...A 30.0 INCH RIDGE WILL BUILD ACROSS
THE NORTHERN HIGH PLAINS.

LSZ162-201045-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
931 PM EST FRI DEC 19 2014 /831 PM CST FRI DEC 19 2014/

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH. A CHANCE
OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO
4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ263-201045-
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-
931 PM EST FRI DEC 19 2014

.REST OF TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES 3 TO 5 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. A CHANCE
OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ264-201045-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
931 PM EST FRI DEC 19 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 3 TO
6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
3 TO 6 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES 3 TO 6 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
MORNING...THEN SNOW LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.

$$

LSZ265-201045-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
931 PM EST FRI DEC 19 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES 3 TO 5 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS. SNOW LIKELY...POSSIBLY MIXED
WITH RAIN. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS. SNOW LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET...
THEN BUILDING TO 4 TO 7 FEET.

$$

LSZ266-201045-
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-
931 PM EST FRI DEC 19 2014

.REST OF TONIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING EAST 10 TO
20 KNOTS. RAIN LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 7 TO 10 FEET.

$$

LSZ267-201045-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
931 PM EST FRI DEC 19 2014

.REST OF TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO
6 FEET.
.MONDAY...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW IN THE
MORNING. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. RAIN LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 7 TO 10 FEET.

$$
LSZ261-201045-
MAFOR 2004/
SUPERIOR WEST 13510 14410 11410. SLIGHT CHANCE OF SNOW SATURDAY AND
SATURDAY EVENING. WAVES 1 TO 2 FEET.

SUPERIOR NORTH CENTRAL 11410 13510 14410. WAVES 1 TO 2 FEET.

SUPERIOR SOUTH CENTRAL 14510 11400 13410. WAVES 1 TO 2 FEET.

SUPERIOR EAST 12500 11510 14410 11410. WAVES CALM TO 3 FEET.

$$

KEC




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