Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 100904
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
404 AM EST WED FEB 10 2016

.SYNOPSIS...A 29.5 INCH LOW PRESSURE SYSTEM CENTERED OVER THE
NORTHEAST STATES THIS MORNING WILL CONTINUE EASTWARD TODAY 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.

LSZ162-101715-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
404 AM EST WED FEB 10 2016 /304 AM CST WED FEB 10 2016/

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

.EARLY THIS MORNING...NORTH WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. SCATTERED SNOW SHOWERS. WAVES 3 TO 5 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS.
WAVES 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
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS IN THE EVENING.
WAVES 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. 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.

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

$$

LSZ263-101715-
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-
404 AM EST WED FEB 10 2016

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

.EARLY THIS MORNING...NORTH WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. SCATTERED SNOW SHOWERS. WAVES 4 TO 7 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. SCATTERED
SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS. SCATTERED SNOW SHOWERS.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY
IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY. HEAVY
FREEZING SPRAY IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS VEERING SOUTH. 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.

$$

LSZ264-101715-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
404 AM EST WED FEB 10 2016

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

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. NUMEROUS SNOW SHOWERS. WAVES 5 TO 8 FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTH 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
LIKELY. WAVES SUBSIDING TO 3 TO 6 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 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 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.

$$

LSZ265-101715-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
404 AM EST WED FEB 10 2016

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

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 5 TO 8
FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...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...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SNOW SHOWERS. HEAVY FREEZING SPRAY AFTER MIDNIGHT. WAVES
BUILDING TO 3 TO 6 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 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 VEERING SOUTHWEST. A CHANCE
OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.

$$

LSZ266-101715-
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-
404 AM EST WED FEB 10 2016

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

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 6 TO 9
FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW SHOWERS. FREEZING SPRAY IN THE
AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. HEAVY 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...THEN BUILDING TO 6 TO
9 FEET.
.FRIDAY NIGHT...NORTH GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS. WAVES BUILDING TO 7 TO 10 FEET...THEN SUBSIDING TO
5 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. FREEZING SPRAY. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ267-101715-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
404 AM EST WED FEB 10 2016

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

.EARLY THIS MORNING...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES 4 TO 7 FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY.
NUMEROUS SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 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...WEST WINDS 20 TO 30 KNOTS BECOMING NORTH AFTER
MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO 4 TO 8
FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS IN THE AFTERNOON. 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 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.

$$

LSZ261-101715-
MAFOR 1010/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...11832
11830 11820 11810 11720 13820. HEAVY FREEZING SPRAY THIS MORNING.
SCATTERED SNOW SHOWERS EARLY THIS MORNING. WAVES 2 TO 6 FEET.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11847 11842 12832 13842 11830. HEAVY FREEZING SPRAY THROUGH TONIGHT.
SCATTERED SNOW SHOWERS FROM LATE MORNING THROUGH TONIGHT. WAVES 3 TO
8 FEET.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
13847 11837 11747 12847 11737. HEAVY FREEZING SPRAY THROUGH TONIGHT.
WAVES 4 TO 9 FEET.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...12847
12837 11847 13837. HEAVY FREEZING SPRAY THROUGH TONIGHT. WAVES 3 TO
8 FEET.

$$

KEC


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