Great Lakes Forecast
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564
FZUS63 KMQT 062101
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EST TUE DEC 6 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE OVER NORTHERN MINNESOTA WILL
MOVE INTO NORTH CENTRAL ONTARIO BY WEDNESDAY MORNING WHILE WEAKENING
TO 29.5 INCHES. THIS LOW WILL REACH JAMES BAY BY WEDNESDAY EVENING. A
PAIR OF ASSOCIATED TROUGHS WILL CROSS LAKE SUPERIOR WEDNESDAY
AFTERNOON AND NIGHT. THE LOW WILL CONTINUE EASTWARD TO THE CANADIAN
MARITIMES THROUGH FRIDAY WHILE A 30.6 INCH HIGH PRESSURE RIDGE BUILDS
ACROSS THE CENTRAL PLAINS. THE RIDGE WILL CROSS THE UPPER GREAT LAKES
FRIDAY NIGHT INTO SATURDAY. A TROUGH OF LOW PRESSURE AVERAGING 29.9
INCHES WILL THEN SLIDE FROM THE PLAIN INTO THE UPPER GREAT LAKES
REGION SATURDAY NIGHT INTO SUNDAY.

LSZ162-070515-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
401 PM EST TUE DEC 6 2016 /301 PM CST TUE DEC 6 2016/

...GALE WARNING IN EFFECT THROUGH WEDNESDAY MORNING...

.LATE THIS AFTERNOON...SOUTHWEST GALES TO 35 KNOTS. A CHANCE OF
SNOW SHOWERS...POSSIBLY MIXED WITH FREEZING RAIN. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET.
.TONIGHT...SOUTHWEST GALES TO 35 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 8 TO
12 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS DECREASING TO 20 TO 30 KNOTS IN
THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 6 TO 9
FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5
FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
2  KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 6
FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST. A CHANCE
OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES BUILDING TO
1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.

$$

LSZ263-070515-
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-
401 PM EST TUE DEC 6 2016

...GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING...

.LATE THIS AFTERNOON...SOUTHWEST GALES TO 35 KNOTS. A CHANCE OF
SNOW SHOWERS...POSSIBLY MIXED WITH RAIN AND FREEZING RAIN. WAVES
4 TO 7 FEET.
.TONIGHT...SOUTHWEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 10 TO 14 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. SNOW SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES
SUBSIDING TO 9 TO 12 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 3 TO
6 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.

$$

LSZ264-070515-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
401 PM EST TUE DEC 6 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS. RAIN SHOWERS... POSSIBLY MIXED WITH SNOW. WAVES 6
TO 9 FEET.
.TONIGHT...SOUTHWEST 20 TO 30 KNOTS. A CHANCE OF SNOW
SHOWERS...POSSIBLY MIXED WITH RAIN IN THE EVENING...THEN SNOW
SHOWERS LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET.
.WEDNESDAY...WEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS LIKELY IN THE
MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES
SUBSIDING TO 9 TO 12 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTH AFTER
MIDNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES BUILDING TO 5 TO
8 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO
3 TO 5 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ265-070515-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
401 PM EST TUE DEC 6 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. A CHANCE OF
RAIN SHOWERS...POSSIBLY MIXED WITH SNOW. WAVES 4 TO 7 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN SHOWERS
IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6
FEET...THEN BUILDING TO 5 TO 8 FEET.
.WEDNESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FEET.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 5 TO 8 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. SNOW SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ266-070515-
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-
401 PM EST TUE DEC 6 2016

.LATE THIS AFTERNOON...SOUTH WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS. WAVES 6 TO 9 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS VEERING SOUTHWEST. A CHANCE OF
RAIN SHOWERS IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 5 TO 8 FEET...THEN BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...SOUTHWEST GALES TO 40 KNOTS BECOMING WEST GALES TO
35 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 8 TO 11 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET...THEN BUILDING TO 6 TO 9 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY. WAVES BUILDING
TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ267-070515-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
401 PM EST TUE DEC 6 2016

.LATE THIS AFTERNOON...SOUTHEAST WINDS 30 TO 30 KNOTS. A CHANCE OF
RAIN SHOWERS. WAVES 4 TO 7 FEET.
.TONIGHT...SOUTH WINDS 20 TO 30 KNOTS VEERING SOUTHWEST. A CHANCE OF
RAIN SHOWERS IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 6 TO 9 FEET.
.WEDNESDAY...SOUTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 8 TO 12 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 8 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. SNOW SHOWERS...THEN A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ261-070515-
MAFOR 0622/
SUPERIOR WEST...GALE WARNING IN EFFECT...11540 13550 14650.
CHANCE OF SNOW SHOWERS. WAVES 5 TO 8 FEET BUILDING TO 10 TO 13
FEET TONIGHT. WAVES 8 TO 12 FEET WEDNESDAY.

SUPERIOR NORTH CENTRAL 11547 12540 12547 13647. CHANCE OF SNOW
SHOWERS TONIGHT. CHANCE OF SNOW SHOWERS LATE WEDNESDAY. WAVES 6
TO 10 FEET BUILDING TO 9 TO 13 FEET TONIGHT AND WEDNESDAY.

SUPERIOR SOUTH CENTRAL 11440 13540 13540 11640. CHANCE OF RAIN
AND SNOW SHOWERS THIS EVENING. WAVES 3 TO 6 FEET BUILDING TO 4 TO
7 FEET TONIGHT. WAVES 5 TO 9 FEET WEDNESDAY.

SUPERIOR EAST 11450 11547 14540 12540. CHANCE OF RAIN SHOWERS
THIS EVENING...THEN CHANCE OF SNOW SHOWERS FROM LATE EVENING THROUGH
WEDNESDAY. WAVES 5 TO 9 FEET TONIGHT. WAVES 7 TO 10 FEET BUILDING TO
9 TO 13 FEET WEDNESDAY.

$$

PETRO



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