Great Lakes Forecast
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753
FZUS63 KMQT 060312
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1012 PM EST MON DEC 5 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE OVER NORTHWEST MINNESOTA WILL
MOVE OVER NORTHERN ONTARIO BY TUESDAY EVENING...THEN DRIFT EASTWARD
TO 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.

LSZ162-061115-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1012 PM EST MON DEC 5 2016 /912 PM CST MON DEC 5 2016/

...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...

.REST OF TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS...POSSIBLY
MIXED WITH SNOW. WAVES 2 TO 4 FEET BUILDING TO 4 TO 7 FEET.
.TUESDAY...SOUTH WINDS 20 TO 30 KNOTS BECOMING SOUTHWEST GALES TO 35
KNOTS IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 5 TO 8 FEET.
.TUESDAY NIGHT...SOUTHWEST GALES TO 35 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 7 TO
10 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
4 TO 7 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 BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST. A CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ263-061115-
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-
1012 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH
WEDNESDAY MORNING...

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

$$

LSZ264-061115-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1012 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST
GALES TO 35 KNOTS LATE. A SLIGHT CHANCE OF SNOW SHOWERS LATE IN THE
EVENING. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET BUILDING
TO 4 TO 7 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 6 TO 10 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 35 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS...
POSSIBLY MIXED WITH RAIN IN THE EVENING...THEN SNOW SHOWERS
LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 8 TO 11 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 6 TO
9 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS
LIKELY. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH GALES TO 35 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
6 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES CALM TO 2 FEET.

$$

LSZ265-061115-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1012 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
1 TO 3 FEET BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS
IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 4 TO 8 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 35 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS
IN THE EVENING. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES 4 TO 7 FEET.
.WEDNESDAY...WEST GALES TO 35 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES 3 TO 5 FEET.
.THURSDAY...NORTH GALES TO 35 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 BUILDING TO 6 TO
9 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING WEST. SNOW SHOWERS
LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.

$$

LSZ266-061115-
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-
1012 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
AFTERNOON...

.REST OF TONIGHT...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES 1 TO
3 FEET BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS DECREASING TO 20 TO 30 KNOTS IN
THE AFTERNOON. A CHANCE OF RAIN SHOWERS. A CHANCE OF SNOW SHOWERS IN
THE AFTERNOON. WAVES BUILDING TO 6 TO 10 FEET.
.TUESDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF RAIN
SHOWERS IN THE EVENING. A CHANCE OF SNOW SHOWERS. WAVES 7 TO 10
FEET.
.WEDNESDAY...SOUTHWEST GALES TO 35 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES BUILDING TO
8 TO 11 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTH GALES TO 35 KNOTS. SNOW SHOWERS. WAVES 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 4 TO
7 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ267-061115-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1012 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM 4 AM EST TUESDAY THROUGH TUESDAY
AFTERNOON...

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

$$
LSZ261-061115-
MAFOR 0604/
SUPERIOR WEST...GALE WARNING IN EFFECT...11340 13440 11530 11540
12550. CHANCE OF RAIN SHOWERS OVERNIGHT. CHANCE OF RAIN AND SNOW
SHOWERS TUESDAY. CHANCE OF SNOW SHOWERS TUESDAY EVENING. WAVES 3 TO
7 FEET OVERNIGHT AND TUESDAY BUILDING TO 5 TO 9 FEET TUESDAY
EVENING.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11330 11340
14450 12540. CHANCE OF RAIN SHOWERS OVERNIGHT AND IN THE
MORNING...THEN CHANCE OF RAIN AND SNOW SHOWERS TUESDAY AFTERNOON AND
EARLY EVENING...THEN CHANCE OF SNOW SHOWERS LATE TUESDAY EVENING.
WAVES 2 TO 6 FEET OVERNIGHT. WAVES 5 TO 10 FEET TUESDAY AND TUESDAY
EVENING.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11420 11440
13450 12440 11530. CHANCE OF RAIN SHOWERS THROUGH EARLY
AFTERNOON...THEN CHANCE OF RAIN AND SNOW SHOWERS LATE TUESDAY
THROUGH EARLY EVENING TUESDAY EVENING. WAVES 2 TO 7 FEET.

SUPERIOR EAST...GALE WARNING IN EFFECT...11420 11430 12340 12350
11456 11547. CHANCE OF RAIN SHOWERS THROUGH TUESDAY AFTERNOON. WAVES
2 TO 7 FEET.

$$

PETRO



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