Great Lakes Forecast
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000
FZUS63 KMQT 200913
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
413 AM EST THU NOV 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE SYSTEM EAST OF THE SAULT THIS
MORNING WILL MOVE EAST THROUGH SOUTHERN QUEBEC AS HIGH PRESSURE
CENTERED IN THE CENTRAL PLAINS DRIFTS SLOWLY EAST INTO THE OHIO RIVER
VALLEY ON FRIDAY AND THE MID ATLANTIC STATES ON SATURDAY. AS THIS
HIGH DRIFTS OFF THE EAST COAST ON SUNDAY...A 29.4 INCH LOW PRESSURE
SYSTEM WILL TAKE SHAPE IN THE MID MISSISSIPPI RIVER VALLEY. EXPECT
THIS LOW TO TO MOVE THROUGH THE UPPER GREAT LAKES ON MONDAY WHILE
DEEPENING TO 28.8 INCHES.

LSZ162-201715-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
413 AM EST THU NOV 20 2014 /313 AM CST THU NOV 20 2014/

.EARLY THIS MORNING...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 5 TO 9 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
MORNING. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO
6 TO 10 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. A CHANCE OF RAIN...THEN RAIN LIKELY...POSSIBLY MIXED
WITH SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
3 TO 6 FEET.
.MONDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. SNOW...POSSIBLY MIXED WITH RAIN...THEN A CHANCE OF
SNOW. WAVES BUILDING TO 5 TO 8 FEET.

$$

LSZ263-201715-
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-
413 AM EST THU NOV 20 2014

...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
MORNING...

.EARLY THIS MORNING...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING
SPRAY. SCATTERED SNOW SHOWERS. WAVES 6 TO 9 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SCATTERED SNOW SHOWERS
IN THE MORNING. NUMEROUS SNOW SHOWERS IN THE AFTERNOON. WAVES
SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING. WAVES BUILDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...SOUTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS LATE. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 7 TO 11
FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
3 TO 6 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 20 TO
30 KNOTS. A CHANCE OF SNOW. RAIN. WAVES SUBSIDING TO CALM TO 2
FEET...THEN BUILDING TO 5 TO 8 FEET.
.MONDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 5 TO 9 FEET.

$$

LSZ264-201715-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
413 AM EST THU NOV 20 2014

...GALE WATCH IN EFFECT FROM FRIDAY EVENING THROUGH SATURDAY
MORNING...

.EARLY THIS MORNING...NORTHWEST WINDS 20 TO 30 KNOTS...WITH A FEW
GALE FORCE GUSTS TO 35 KNOTS. FREEZING SPRAY. SNOW SHOWERS. WAVES 6
TO 10 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. NUMEROUS
SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY IN THE
EVENING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 5 TO 8 FEET.
.FRIDAY NIGHT...SOUTHWEST GALES TO 35 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES BUILDING TO 7 TO 11 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 20 TO
30 KNOTS. A CHANCE OF RAIN...THEN RAIN. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 5 TO 8 FEET.
.MONDAY...NORTHEAST WINDS 20 TO 30 KNOTS BECOMING NORTH GALES TO
35 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 5 TO 9 FEET.

$$

LSZ265-201715-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
413 AM EST THU NOV 20 2014

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...NORTHWEST GALES TO 35 KNOTS. FREEZING
SPRAY. SNOW SHOWERS. WAVES 7 TO 10 FEET.
.TODAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREQUENT GALE FORCE GUSTS TO
35 KNOTS THIS MORNING. FREEZING SPRAY. SNOW SHOWERS. WAVES SUBSIDING
TO 4 TO 7 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BACKING WEST AFTER
MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW SHOWERS LIKELY IN
THE EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 3 TO 6 FEET...THEN BUILDING TO 4 TO 7 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. RAIN. WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 7 TO 10 FEET.

$$

LSZ266-201715-
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-
413 AM EST THU NOV 20 2014

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...NORTHWEST GALES TO 40 KNOTS. FREEZING
SPRAY. SNOW SHOWERS. WAVES 10 TO 14 FEET SUBSIDING TO 10 TO
14 FEET.
.TODAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS BY
EARLY AFTERNOON. FREEZING SPRAY. SNOW SHOWERS. WAVES SUBSIDING TO 6
TO 9 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET...THEN BUILDING TO 4 TO 7 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS IN THE EVENING. A SLIGHT CHANCE OF SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 9 TO 12 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
4 TO 7 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF RAIN...THEN RAIN. WAVES BUILDING TO 4 TO 7
FEET.
.MONDAY...EAST WINDS 15 TO 25 KNOTS BECOMING WEST GALES TO
35 KNOTS. RAIN AND SNOW LIKELY. WAVES BUILDING TO 5 TO 8 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.

$$

LSZ267-201715-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
413 AM EST THU NOV 20 2014

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...NORTHWEST GALES TO 40 KNOTS. SNOW SHOWERS.
WAVES 10 TO 14 FEET.
.TODAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW SHOWERS. FREEZING SPRAY IN THE
AFTERNOON. WAVES SUBSIDING TO 6 TO 9 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING
TO 3 TO 5 FEET...THEN BUILDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS...WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS IN THE EVENING. A SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 10 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN IN THE MORNING. A
CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO
3 TO 5 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF RAIN...THEN RAIN. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. RAIN
LIKELY...THEN A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN. WAVES
3 TO 6 FEET.

$$

LSZ261-201715-
MAFOR 2010/
SUPERIOR WEST 13740 13730 11720 11620. FREEZING SPRAY TODAY. SCATTERED
SNOW SHOWERS TODAY. SLIGHT CHANCE OF SNOW SHOWERS TONIGHT. WAVES 5 TO
7 FEET SUBSIDING TO 2 TO 5 FEET BY TONIGHT.

SUPERIOR NORTH CENTRAL 13747 12737 12730 11720. FREEZING SPRAY
THROUGH THIS EVENING. CHANCE OF SNOW SHOWERS TONIGHT. WAVES 6 TO 9
FEET SUBSIDING TO 3 TO 6 FEET BY TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...13757 13747 12737.
FREEZING SPRAY THROUGH THIS EVENING. WAVES 8 TO 11 FEET SUBSIDING TO
5 TO 8 FEET TODAY. WAVES 4 TO 7 FEET TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...12757 14747 11737 11727.
FREEZING SPRAY THROUGH THIS EVENING. WAVES 10 TO 14 FEET TODAY SUBSIDING
TO 5 TO 7 FEET TONIGHT.

$$

SRF





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