Great Lakes Forecast
Issued by NWS

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039
FZUS63 KMQT 120251
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
951 PM EST THU FEB 11 2016

.SYNOPSIS...A 30.0 INCH TROUGH JUST NORTH OF LAKE SUPERIOR TONIGHT
WILL QUICKLY TRACK SOUTHEASTWARD ACROSS LAKE SUPERIOR OVERNIGHT WHILE
STRENGTHENING TO 29.9 INCHES. EXPECT THE WESTERN EXTENT OF THE TROUGH
TO LINGER OVER EASTERN LAKE SUPERIOR THROUGH SATURDAY AS A 30.8 INCH
HIGH PRESSURE BUILDS FROM SOUTH CENTRAL CANADA TO THE MID MISSISSIPPI
VALLEY. THE HIGH WILL THEN DRIFT EASTWARD ACROSS THE UPPER GREAT
LAKES AND OHIO VALLEY AT 30.5 INCHES THROUGH SUNDAY. A 29.7 INCH LOW
PRESSURE TROUGH OVER NORTHERN MANITOBA SUNDAY EVENING WILL MOVE OVER
NORTHERN ONTARIO MONDAY AS THE HIGH MOVES OFF THE EAST COAST. A
SECONDARY 29.9 INCH TROUGH OVER THE NORTHERN ROCKIES MONDAY NIGHT
WILL THEN MERGE WITH THE FIRST TROUGH OVER THE UPPER GREAT LAKES ON
TUESDAY.

LSZ162-121100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
951 PM EST THU FEB 11 2016 /851 PM CST THU FEB 11 2016/

.REST OF TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES 3 TO
5 FEET.
.FRIDAY...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 3 TO 6 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTHWEST 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.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ263-121100-
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-
951 PM EST THU FEB 11 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS BACKING NORTHWEST IN THE AFTERNOON. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS IN THE MORNING. SNOW SHOWERS LIKELY IN THE
AFTERNOON. WAVES 4 TO 8 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH
AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

NOTE...WAVE HEIGHT FORECASTS ARE FOR ICE FREE AREAS.

$$

LSZ264-121100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
951 PM EST THU FEB 11 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...
...GALE WARNING IN EFFECT FROM 7 AM EST FRIDAY THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES 4 TO 8 FEET.
.FRIDAY...NORTH GALES TO 40 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 6 TO 10 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 35 KNOTS BECOMING NORTH 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 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 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. A CHANCE OF
SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.

$$

LSZ265-121100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
951 PM EST THU FEB 11 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...
...GALE WARNING IN EFFECT FROM 7 AM EST FRIDAY THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE
GUSTS TO 35 KNOTS...VEERING NORTHWEST AFTER MIDNIGHT. HEAVY FREEZING
SPRAY. SNOW SHOWERS LIKELY LATE IN THE EVENING. A CHANCE OF SNOW
SHOWERS AFTER MIDNIGHT. WAVES 4 TO 7 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS BECOMING NORTHWEST GALES TO
40 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 7 TO 11 FEET.
.FRIDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.SATURDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 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 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. A CHANCE OF
SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO
3 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ266-121100-
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-
951 PM EST THU FEB 11 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...
...GALE WARNING IN EFFECT FROM 7 AM EST FRIDAY THROUGH LATE
FRIDAY NIGHT...

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE
GUSTS TO 35 KNOTS...VEERING NORTHWEST AFTER MIDNIGHT. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES 5 TO 8 FEET BUILDING TO 7 TO 10
FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.FRIDAY...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 9 TO 12 FEET.
.FRIDAY NIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS. WAVES SUBSIDING TO 6 TO 9 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING WEST. A CHANCE OF
SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO
4 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.

$$

LSZ267-121100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
951 PM EST THU FEB 11 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TONIGHT...WEST WINDS 20 TO 30 KNOTS WITH GALE FORCE GUSTS TO
35 KNOTS...BECOMING NORTHWEST 20 TO 30 KNOTS AFTER MIDNIGHT.
FREEZING SPRAY. SNOW SHOWERS. WAVES 4 TO 7 FEET BUILDING TO 7 TO 10
FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
40 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 7 TO 10 FEET.
.FRIDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES SUBSIDING TO 5 TO 8 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 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 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO
5 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$
LSZ261-121100-
MAFOR 1204/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...11742
12740 11842 14742. HEAVY FREEZING SPRAY THROUGH FRIDAY NIGHT. CHANCE
OF SNOW SHOWERS FRIDAY AND FRIDAY EVENING. WAVES 3 TO 6 FEET.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...12742 13857
13757. HEAVY FREEZING SPRAY OVERNIGHT THROUGH FRIDAY EVENING.
CHANCE OF SNOW SHOWERS OVERNIGHT. WAVES 5 TO 10 FEET.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11647 12747
12857 13757. HEAVY FREEZING SPRAY. WAVES 6 TO 11 FEET.

SUPERIOR EAST...GALE WARNING IN EFFECT...12747 12847 14857.
FREEZING SPRAY OVERNIGHT. HEAVY FREEZING SPRAY FRIDAY AND FRIDAY
EVENING. WAVES 7 TO 10 FEET.

$$

JS



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