Great Lakes Forecast
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FZUS63 KMQT 182049
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
349 PM EST TUE NOV 18 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A BRIEF 29.8 INCH HIGH PRESSURE RIDGE WHICH WILL CROSS
LAKE SUPERIOR THIS EVENING WILL BE REPLACED BY A 29.7 INCH TROUGH
WEDNESDAY MORNING...THAT WILL DEEPEN TO 29.6 INCHES WEDNESDAY EVENING
ACROSS NORTHERN AND EASTERN LAKE SUPERIOR. EXPECT THE LOW PRESSURE
SYSTEM TO EXIT ACROSS SOUTHERN QUEBEC AT 29.4 INCHES ON THURSDAY.
LOOK FOR A 30.3 INCH RIDGE OF HIGH PRESSURE ACROSS THE UPPER GREAT
LAKES THURSDAY NIGHT THROUGH FRIDAY...BEFORE SHIFTING TO THE LOWER
GREAT LAKES AT 30.4 INCHES LATE FRIDAY AFTERNOON THROUGH FRIDAY
EVENING. 29.4 INCH LOW PRESSURE ACROSS MANITOBA FRIDAY NIGHT WILL
SWING ACROSS ONTARIO AND SOUTHERN HUDSON BAY SATURDAY...WITH THE
RIDGE ACROSS LAKE SUPERIOR WEAKENING TO 29.9 INCHES. EXPECT A 29.2
INCH LOW PRESSURE SYSTEM ACROSS THE MID MISSISSIPPI VALLEY SUNDAY
MORNING TO PUSH OVER THE UPPER GREAT LAKES AT 29.0 INCHES SUNDAY
NIGHT.

LSZ162-190500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
349 PM EST TUE NOV 18 2014 /249 PM CST TUE NOV 18 2014/

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 2 TO 4 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES BUILDING
TO 3 TO 6 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET...THEN BUILDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS THROUGH MIDNIGHT. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 4 TO 7
FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FREEZING
DRIZZLE. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTH. A CHANCE OF
RAIN AND SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 2 TO 4 FEET.

$$

LSZ263-190500-
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-
349 PM EST TUE NOV 18 2014

...GALE WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE
WEDNESDAY NIGHT...

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

$$

LSZ264-190500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
349 PM EST TUE NOV 18 2014

...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY MORNING...

.LATE THIS AFTERNOON...WEST WINDS 15 TO 25 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW SHOWERS IN
THE EVENING...THEN NUMEROUS SNOW SHOWERS AFTER MIDNIGHT. WAVES
3 TO 5 FEET BUILDING TO 4 TO 7 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS.
WAVES BUILDING TO 8 TO 11 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY IN THE EVENING. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW AFTER MIDNIGHT.
WAVES BUILDING TO 5 TO 8 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS. RAIN LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 3 TO 6 FEET.

$$

LSZ265-190500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
349 PM EST TUE NOV 18 2014

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

$$

LSZ266-190500-
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-
349 PM EST TUE NOV 18 2014

...GALE WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY MORNING...

.LATE THIS AFTERNOON...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
NUMEROUS SNOW SHOWERS. WAVES 8 TO 11 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. FREEZING SPRAY. NUMEROUS SNOW SHOWERS IN THE EVENING.
SCATTERED SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO
7 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. FREEZING SPRAY
AFTER MIDNIGHT. WAVES BUILDING TO 9 TO 12 FEET.
.THURSDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW SHOWERS. WAVES
SUBSIDING TO 6 TO 9 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS.
WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST 15 TO
25 KNOTS. A CHANCE OF RAIN...THEN RAIN LIKELY. WAVES SUBSIDING TO 1
TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ267-190500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
349 PM EST TUE NOV 18 2014

.LATE THIS AFTERNOON...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS.
WAVES 8 TO 11 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS BACKING SOUTHWEST AFTER
MIDNIGHT. SNOW SHOWERS IN THE EVENING...THEN SCATTERED SNOW
SHOWERS AFTER MIDNIGHT. FREEZING SPRAY AFTER MIDNIGHT. WAVES
SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
20 TO 30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 8 TO 11 FEET.
.THURSDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO 7 TO 10 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO
3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. WAVES 3 TO 5 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTH
20 TO 30 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET...
THEN BUILDING TO 5 TO 8 FEET.
.SATURDAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST. A CHANCE
OF RAIN...THEN RAIN LIKELY. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ261-190500-
MAFOR 1822/
SUPERIOR WEST 11630 11640 11540 11530 11537 11627 11620 11740.
SCATTERED SNOW SHOWERS TONIGHT. CHANCE OF SNOW SHOWERS WEDNESDAY
AFTERNOON. WAVES 3 TO 6 FEET.

SUPERIOR NORTH CENTRAL 12630 11620 11637 11537 11530 11527 11537.
SCATTERED SNOW SHOWERS TONIGHT. CHANCE OF SNOW SHOWERS IN THE
MORNING. WAVES 2 TO 7 FEET.

SUPERIOR SOUTH CENTRAL 11640 11647 11640 11540 11530 12520 11527.
FREEZING SPRAY. SCATTERED SNOW SHOWERS THROUGH THE EVENING. ISOLATED
SNOW SHOWERS OVERNIGHT INTO THE MORNING. WAVES 6 TO 9 FEET SUBSIDING
TO 4 TO 6 FEET TONIGHT. WAVES 1 TO 5 FEET WEDNESDAY.

SUPERIOR EAST 11747 12647 11640 11540 11530 11520 11427. SLIGHT
CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES 8 TO 11 FEET SUBSIDING
TO 5 TO 7 FEET TONIGHT. WAVES 3 TO 7 FEET WEDNESDAY.

$$

PETRO



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