Great Lakes Forecast
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000
FZUS63 KMQT 092100
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EST TUE FEB 9 2016

.SYNOPSIS...A 29.4 INCH LOW PRESSURE SYSTEM CENTERED OVER FAR
SOUTHEAST ONTARIO AND WESTERN NEW YORK STATE TONIGHT WILL MOVE INTO
THE NORTHEAST STATES BY WEDNESDAY MORNING WHILE A 30.5 INCH HIGH
PRESSURE RIDGE BUILDS FROM CENTRAL CANADA INTO THE UPPER MISSISSIPPI
RIVER VALLEY. EXPECT THIS RIDGE TO MOVE INTO THE OHIO RIVER VALLEY
ON THURSDAY AND INTO THE SOUTHEAST STATES ON FRIDAY. A LOW PRESSURE
TROUGH AVERAGING 30.2 INCHES WILL CROSS THE UPPER GREAT LAKES ON
THURSDAY NIGHT AHEAD OF ANOTHER 30.8 INCH HIGH PRESSURE BUILDING
OVER SOUTH CENTRAL CANADA. LOOK FOR THIS HIGH TO MOVE OVER MINNESOTA
ON SATURDAY WHILE A WEAK LOW PRESSURE TROUGH LINGERS OVER LAKE
SUPERIOR AND DEPARTS SATURDAY EVENING. ON SUNDAY...THE 30.8 INCH
HIGH WILL MOVE ACROSS THE UPPER GREAT LAKES AS A 29.7 INCH LOW DROPS
OUT OF SASKATCHEWAN AND TRACKS SOUTHEAST ACROSS THE NORTHERN PLAINS.
THE HIGH WILL REACH THE EASTERN SEABOARD BY LATE SUNDAY NIGHT.

LSZ162-100500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
400 PM EST TUE FEB 9 2016 /300 PM CST TUE FEB 9 2016/

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

.LATE THIS AFTERNOON...NORTH WINDS 15 TO 25 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 3 TO 5 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. ISOLATED SNOW SHOWERS AND
HEAVY FREEZING SPRAY. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS AND HEAVY FREEZING
SPRAY. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.THURSDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
1 TO 3 FEET.
.THURSDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF SNOW. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

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

$$

LSZ263-100500-
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-
400 PM EST TUE FEB 9 2016

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

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

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

$$

LSZ264-100500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
400 PM EST TUE FEB 9 2016

...GALE WARNING IN EFFECT UNTIL 1 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
AFTERNOON...

.LATE THIS AFTERNOON...NORTH GALES TO 40 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES 6 TO 9 FEET.
.TONIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO 5 TO
8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY IN
THE MORNING. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY
IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7
FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.FRIDAY...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.FRIDAY NIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO 6 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. A CHANCE
OF SNOW. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.

$$

LSZ265-100500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
400 PM EST TUE FEB 9 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

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

$$

LSZ266-100500-
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-
400 PM EST TUE FEB 9 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.LATE THIS AFTERNOON...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE
FORCE GUSTS TO 35 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 7
TO 10 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO 8 TO
11 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.WEDNESDAY...NORTH 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO 35
KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6
FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. SNOW SHOWERS. FREEZING SPRAY IN THE
AFTERNOON. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTHWEST GALES TO 35 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.FRIDAY...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 6 TO 9 FEET.
.FRIDAY NIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW. FREEZING SPRAY. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ267-100500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
400 PM EST TUE FEB 9 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST THIS
EVENING THROUGH THURSDAY MORNING...

.LATE THIS AFTERNOON...NORTH WINDS 20 TO 30 KNOTS. FREEZING
SPRAY. SNOW SHOWERS. WAVES 4 TO 7 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE GUSTS TO
35 KNOTS. HEAVY FREEZING SPRAY. NUMEROUS SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS. FREEZING SPRAY IN THE
AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 3 TO
6 FEET.
.THURSDAY NIGHT...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO
20 TO 30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 5 TO 8 FEET.
.FRIDAY...NORTH GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.FRIDAY NIGHT...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 4 TO 8 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ261-100500-
MAFOR 0922/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...13842
14832 11812. SCATTERED SNOW SHOWERS TONIGHT. WAVES 2 TO 6 FEET.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...13857 12847
12842 11830. HEAVY FREEZING SPRAY TONIGHT AND WEDNESDAY. SCATTERED
SNOW SHOWERS FROM LATE MORNING ON WEDNESDAY. WAVES 6 TO 10 FEET
TONIGHT SUBSIDING TO 3 TO 5 FEET WEDNESDAY.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11847 19857 15847 11847. HEAVY FREEZING SPRAY. WAVES 6 TO 10 FEET
TONIGHT SUBSIDING TO 4 TO 6 FEET WEDNESDAY.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...11847 19857
15847 11847. FREEZING SPRAY THIS EVENING...THEN HEAVY FREEZING SPRAY
FROM LATE EVENING THROUGH WEDNESDAY. WAVES 5 TO 8 FEET TONIGHT SUBSIDING
TO 3 TO 5 FEET WEDNESDAY.

$$

07


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