Great Lakes Forecast
Issued by NWS

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FZUS63 KMQT 052110
GLFLS

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

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH RIDGE WILL CROSS LAKE SUPERIOR THROUGH THIS
EVENING. A 29.4 INCH LOW PRESSURE OVER THE NORTHERN PLAINS WILL MOVE
NORTH TO EXTREME NORTHERN MINNESOTA THROUGH 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.

LSZ162-060515-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
410 PM EST MON DEC 5 2016 /310 PM CST MON DEC 5 2016/

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

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE
OF RAIN SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS. RAIN SHOWERS LIKELY IN
THE EVENING...THEN A CHANCE OF RAIN SHOWERS...POSSIBLY MIXED WITH
SNOW AFTER MIDNIGHT. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO 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.

$$

LSZ263-060515-
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-
410 PM EST MON DEC 5 2016

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

.LATE THIS AFTERNOON...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF RAIN SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS BECOMING SOUTH 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES 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 AND SNOW SHOWERS.
WAVES 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.

$$

LSZ264-060515-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
410 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES BUILDING
TO 5 TO 8 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS. A CHANCE OF RAIN SHOWERS. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES 5 TO 9 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.

$$

LSZ265-060515-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
410 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES 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 SUBSIDING TO 3 TO 6 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 BUILDING
TO 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.

$$

LSZ266-060515-
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-
410 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 5 TO 8 FEET.
.TUESDAY...SOUTH GALES TO 35 KNOTS. A CHANCE OF RAIN SHOWERS. A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 5 TO
9 FEET.
.TUESDAY NIGHT...SOUTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN SHOWERS IN THE EVENING.
A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 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.

$$

LSZ267-060515-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
410 PM EST MON DEC 5 2016

...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO 35
KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET.
.TUESDAY...SOUTHEAST GALES TO 40 KNOTS BECOMING SOUTH GALES TO
35 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN SHOWERS. WAVES
BUILDING TO 4 TO 8 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.

$$

LSZ261-060515-
MAFOR 0522/
SUPERIOR WEST...GALE WARNING IN EFFECT...11320 12346 12440 12540
11550. CHANCE OF RAIN SHOWERS THROUGH EARLY EVENING. CHANCE OF RAIN
SHOWERS OVERNIGHT. CHANCE OF RAIN AND SNOW SHOWERS TUESDAY. WAVES 1
TO 3 FEET BUILDING TO 4 TO 7 FEET TONIGHT AND TUESDAY.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11510 11430
12340 12450 12440. CHANCE OF RAIN SHOWERS THROUGH TUESDAY MORNING...THEN
CHANCE OF RAIN AND SNOW SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 5 TO 8
FEET TONIGHT. WAVES 5 TO 9 FEET TUESDAY.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11520 11430
12440 13450 11440. CHANCE OF RAIN SHOWERS TONIGHT THROUGH TUESDAY
AFTERNOON...THEN CHANCE OF RAIN AND SNOW SHOWERS LATE TUESDAY. WAVES
1 TO 2 FEET BUILDING TO 3 TO 7 FEET TONIGHT AND TUESDAY.

SUPERIOR EAST...GALE WARNING IN EFFECT...11520 11530 11430 11440
11450 12350 11450. CHANCE OF RAIN SHOWERS THROUGH TUESDAY AFTERNOON.
WAVES 2 TO 6 FEET BUILDING TO 8 FEET TUESDAY.

$$

PETRO



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