Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 011500
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1000 AM EST THU DEC 1 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.3 INCH LOW PRESSURE CENTERED OVER WESTERN QUEBEC
WILL SLIDE TO THE NORTHEAST TODAY. A 29.9 INCH TROUGH WILL CROSS THE
UPPER GREAT LAKES THROUGH FRIDAY AS A 30.4 INCH HIGH PRESSURE BUILDS
OVER THE PLAINS. A RIDGE AVERAGING 30.1 INCHES WILL MOVE OVER LAKE
SUPERIOR ON SATURDAY AND THE LOWER GREAT LAKES ON SUNDAY. A 29.8 INCH
TROUGH OVER THE NORTHERN PLAINS SUNDAY MORNING WILL MOVE OVER WESTERN
ONTARIO BY MONDAY MORNING.

LSZ162-012300-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1000 AM EST THU DEC 1 2016 /900 AM CST THU DEC 1 2016/

.REST OF TODAY...NORTH WINDS 15 TO 25 KNOTS. NUMEROUS SNOW
SHOWERS BECOMING ISOLATED IN THE AFTERNOON. WAVES 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. A SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON. WAVES
CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
RAIN AND SNOW SHOWERS IN THE EVENING. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
RAIN AND SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ263-012300-
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-
1000 AM EST THU DEC 1 2016

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. NUMEROUS SNOW
SHOWERS BECOMING SCATTERED IN THE AFTERNOON. WAVES 3 TO 6 FEET
SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 2 TO 4 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A SLIGHT CHANCE OF RAIN AND SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN SHOWERS.
WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF RAIN AND SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ264-012300-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1000 AM EST THU DEC 1 2016

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. NUMEROUS SNOW
SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS VEERING NORTH AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 3 TO 5 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ265-012300-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1000 AM EST THU DEC 1 2016

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES 4
TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. NUMEROUS SNOW SHOWERS
IN THE EVENING...THEN SCATTERED SNOW SHOWERS AFTER MIDNIGHT.
WAVES 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF RAIN AND
SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS INCREASING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$

LSZ266-012300-
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-
1000 AM EST THU DEC 1 2016

.REST OF TODAY...NORTH WINDS 20 TO 30 KNOTS WITH A FEW GALE FORCE
GUSTS TO 35 KNOTS. NUMEROUS RAIN AND SNOW SHOWERS. WAVES 4 TO 7
FEET SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. NUMEROUS SNOW SHOWERS.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS.
WAVES SUBSIDING TO 3 TO 5 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN AND
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF RAIN
AND SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.

$$

LSZ267-012300-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1000 AM EST THU DEC 1 2016

.REST OF TODAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS IN THE AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS
IN THE AFTERNOON. NUMEROUS RAIN AND SNOW SHOWERS. WAVES 2 TO 4 FEET
BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. NUMEROUS SNOW SHOWERS.
WAVES 3 TO 6 FEET.
.FRIDAY...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING. A CHANCE OF RAIN SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN AND SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF RAIN AND SNOW SHOWERS. WAVES 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. A CHANCE OF RAIN AND SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH. WAVES
CALM TO 2 FEET.

$$
LSZ261-012300-
MAFOR 0116/
SUPERIOR WEST 12820 11730 12820 12720 11710. SCATTERED SNOW
SHOWERS. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL 12847 12747 12730 12830. SCATTERED SNOW
SHOWERS OVERNIGHT. SCATTERED RAIN AND SNOW SHOWERS FRIDAY MORNING.
WAVES 3 TO 6 FEET.

SUPERIOR SOUTH CENTRAL 11847 19857 14747 13730. SCATTERED SNOW
SHOWERS LATE TONIGHT. CHANCE OF RAIN AND SNOW SHOWERS FRIDAY MORNING.
WAVES 3 TO 7 FEET.

SUPERIOR EAST 11847 19857 11747 19757 12747 12737 12830. CHANCE OF
RAIN AND SNOW SHOWERS FRIDAY MORNING. WAVES 3 TO 6 FEET.

$$

PETRO



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