Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 210255
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
955 PM EST SAT DEC 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.4 INCH HIGH PRESSURE OVER QUEBEC WITH A 30.3 INCH
RIDGE EXTENDING THROUGH THE LOWER GREAT LAKES WILL SLOWLY EXIT TO THE
ATLANTIC THROUGH MONDAY. LOOK FOR 29.4 INCH LOW PRESSURE OVER THE
NORTHERN PLAINS SUNDAY NIGHT TO PUSH ACROSS MINNESOTA MONDAY NIGHT AT
29.6 INCHES...AND ACROSS THE UPPER GREAT LAKES TUESDAY. IN THE
MEANTIME...29.5 INCH LOW PRESSURE OVER TEXAS MONDAY NIGHT WILL SWING
ACROSS KENTUCKY AND INDIANA TUESDAY NIGHT AT 29.1 INCHES...BEFORE
SHIFTING ACROSS LOWER MICHIGAN AT 29.0 INCHES WEDNESDAY AND WEDNESDAY
NIGHT...AND EXITING TO AROUND JAMES BAY AT 28.7 INCHES ON THURSDAY.

LSZ162-211100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
955 PM EST SAT DEC 20 2014 /855 PM CST SAT DEC 20 2014/

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

$$

LSZ263-211100-
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-
955 PM EST SAT DEC 20 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN THE
AFTERNOON. WAVES 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. SNOW LIKELY IN THE MORNING. A CHANCE
OF RAIN. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES BUILDING
TO 4 TO 7 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW LIKELY IN THE EVENING. A
CHANCE OF SNOW AFTER MIDNIGHT. WAVES 4 TO 8 FEET.
.TUESDAY...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW. WAVES
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST GALES
TO 35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. WAVES SUBSIDING TO 2 TO 4 FEET.

$$

LSZ264-211100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
955 PM EST SAT DEC 20 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW 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.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
BUILDING TO 6 TO 9 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. SNOW LIKELY.
WAVES SUBSIDING TO 5 TO 8 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO GALES TO
35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 9 TO 12 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.

$$

LSZ265-211100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
955 PM EST SAT DEC 20 2014

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

$$

LSZ266-211100-
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-
955 PM EST SAT DEC 20 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS. SNOW LIKELY. WAVES
BUILDING TO 5 TO 8 FEET.
.MONDAY...SOUTH WINDS 20 TO 30 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. A SLIGHT CHANCE OF RAIN IN THE
AFTERNOON. WAVES BUILDING TO 6 TO 9 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
IN THE EVENING. SNOW LIKELY AFTER MIDNIGHT. WAVES SUBSIDING TO
5 TO 8 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN IN
THE MORNING. RAIN LIKELY IN THE AFTERNOON. WAVES SUBSIDING TO
2 TO 4 FEET.
.TUESDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN.
WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO GALES TO
35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 9 TO 12 FEET.
.THURSDAY...NORTHWEST GALES TO 40 KNOTS BECOMING WEST 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 12 TO 17 FEET...
THEN SUBSIDING TO 4 TO 7 FEET.

$$

LSZ267-211100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
955 PM EST SAT DEC 20 2014

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS. SNOW LIKELY. WAVES
BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.MONDAY...SOUTHEAST WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
IN THE MORNING. WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING
TO 3 TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN IN THE MORNING. RAIN
LIKELY IN THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. RAIN LIKELY.
WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. RAIN LIKELY...THEN SNOW LIKELY. WAVES BUILDING TO 7 TO
10 FEET.
.THURSDAY...NORTHWEST GALES TO 40 KNOTS BECOMING WEST 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 12 TO 17 FEET...
THEN SUBSIDING TO 4 TO 7 FEET.

$$
LSZ261-211100-
MAFOR 2104/
SUPERIOR WEST 11420 11520 14420 12320. SLIGHT CHANCE OF SNOW SUNDAY
AFTERNOON. CHANCE OF SNOW SUNDAY EVENING. WAVES 2 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11410 11510 12420 12430 11440 11430. SLIGHT
CHANCE OF SNOW SUNDAY AFTERNOON. CHANCE OF SNOW SUNDAY EVENING.
WAVES 2 TO 7 FEET.

SUPERIOR SOUTH CENTRAL 12510 12420 12430 11437 11447. SLIGHT CHANCE
OF SNOW SUNDAY AFTERNOON. WAVES 1 TO 6 FEET.

SUPERIOR EAST 11410 13420 12430 12447. SLIGHT CHANCE OF SNOW SUNDAY
AFTERNOON. WAVES 2 TO 7 FEET.

$$

KEC




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