Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 101434
GLFLS

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

.SYNOPSIS...A 29.5 INCH LOW PRESSURE SYSTEM OVER NEW ENGLAND WILL
MOVE EASTWARD THIS AFTERNOON WHILE A 30.5 INCH HIGH PRESSURE RIDGE
BUILDS FROM CENTRAL CANADA INTO THE UPPER MISSISSIPPI 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.

LSZ162-102245-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
934 AM EST WED FEB 10 2016 /834 AM CST WED FEB 10 2016/

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 PM EST /3 PM
CST/ THIS AFTERNOON...

.REST OF TODAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SCATTERED SNOW
SHOWERS. WAVES 3 TO 5 FEET 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.

$$

LSZ263-102245-
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-
934 AM EST WED FEB 10 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

.REST OF TODAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. SCATTERED SNOW
SHOWERS. WAVES 3 TO 6 FEET 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 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.

$$

LSZ264-102245-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
934 AM EST WED FEB 10 2016

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. SCATTERED SNOW SHOWERS. WAVES 4 TO 7 FEET 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.

$$

LSZ265-102245-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
934 AM EST WED FEB 10 2016

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

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES 5 TO 8 FEET 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.

$$

LSZ266-102245-
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-
934 AM EST WED FEB 10 2016

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

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS
TO 35 KNOTS THROUGH EARLY AFTERNOON. HEAVY FREEZING SPRAY. SNOW
SHOWERS. WAVES 4 TO 8 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.

$$

LSZ267-102245-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
934 AM EST WED FEB 10 2016

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

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. NUMEROUS SNOW SHOWERS. WAVES 4 TO 7 FEET 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.

$$
LSZ261-102245-
MAFOR 1016/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...11822
11810 11720 13820 12720. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
12832 13842 11830 12730. SCATTERED SNOW SHOWERS. WAVES 2 TO 6 FEET.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11847 11837 11747 12847 13737. HEAVY FREEZING SPRAY THROUGH TONIGHT.
WAVES 3 TO 7 FEET.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...12837
11847 14837 11737. HEAVY FREEZING SPRAY THROUGH TONIGHT. WAVES 3 TO
7 FEET.

$$

PETRO


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