Great Lakes Forecast
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000
FZUS63 KMQT 132101
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EST FRI JAN 13 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.8 INCH HIGH PRESSURE OVER THE UPPER GREAT
LAKES WILL REACH THE NORTHEASTERN STATES ON SATURDAY. MEANWHILE...A
30.3 INCH TROUGH OVER NORTHERN ONTARIO WILL BRUSH LAKE SUPERIOR ON
SATURDAY. A 30.5 INCH RIDGE WILL THEN BUILD ACROSS THE UPPER
MISSISSIPPI RIVER VALLEY SATURDAY AND GREAT LAKES ON SUNDAY BEFORE
WEAKENING ON MONDAY. 29.6 INCH LOW PRESSURE WILL THEN TRACK
NORTHEASTWARD INTO THE UPPER GREAT LAKES REGION ON TUESDAY...AND BE
FOLLOWED BY A WEAK 29.8 INCH RIDGE ON WEDNESDAY.

LSZ162-140515-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
401 PM EST FRI JAN 13 2017 /301 PM CST FRI JAN 13 2017/

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 11 PM EST /10 PM
CST/ THIS EVENING THROUGH SATURDAY AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY AFTER MIDNIGHT.
WAVES BUILDING TO 5 TO 8 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ263-140515-
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 FRI JAN 13 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 11 PM EST THIS
EVENING THROUGH SATURDAY AFTERNOON...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
HEAVY FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING. A
SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES SUBSIDING TO
2 TO 4 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
6 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING
TO 2 TO 4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING EAST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING WEST. A CHANCE
OF RAIN...POSSIBLY MIXED WITH FREEZING RAIN...SNOW AND SLEET.
WAVES BUILDING TO 3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-140515-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
401 PM EST FRI JAN 13 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 11 PM EST THIS
EVENING THROUGH SATURDAY AFTERNOON...

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30
KNOTS AFTER MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS POSSIBLE
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. HEAVY FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING. HEAVY FREEZING SPRAY. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO
2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
FREEZING RAIN. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW AND
SLEET. WAVES BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
6 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-140515-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
401 PM EST FRI JAN 13 2017

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY IN THE
MORNING. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE OF
FREEZING RAIN. A CHANCE OF RAIN...POSSIBLY MIXED WITH SNOW. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-140515-
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 FRI JAN 13 2017

.LATE THIS AFTERNOON...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS.
FREEZING SPRAY AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 7 TO 10 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO
4 TO 7 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF RAIN IN THE EVENING. A CHANCE OF
SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. A CHANCE OF FREEZING RAIN. A CHANCE OF RAIN...POSSIBLY
MIXED WITH SNOW AND SLEET. WAVES BUILDING TO 1 TO 3 FEET...THEN
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-140515-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
401 PM EST FRI JAN 13 2017

.LATE THIS AFTERNOON...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS IN THE EVENING.
FREEZING SPRAY AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2
FEET...THEN BUILDING TO 4 TO 7 FEET.
.SATURDAY...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS VEERING WEST. RAIN LIKELY...
POSSIBLY MIXED WITH FREEZING RAIN. A CHANCE OF SLEET. A CHANCE OF
RAIN. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-140515-
MAFOR 1322/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...12520
11530 11542 11642 11640 11630 11620. HEAVY FREEZING SPRAY AFTER
MIDNIGHT THROUGH LATE SATURDAY MORNING. WAVES 1 TO 3 FEET BUILDING
TO 5 TO 8 FEET TONIGHT. WAVES 5 TO 8 FEET SUBSIDING TO 2 TO 4 FEET
SATURDAY.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11520 11530 11542 11540 11640 12640 11630. CHANCE OF SNOW SHOWERS
THIS EVENING. FREEZING SPRAY THROUGH MID MORNING. FREEZING SPRAY
IN THE AFTERNOON. CHANCE OF SNOW SHOWERS THROUGH MID MORNING
SATURDAY. WAVES 1 TO 3 FEET BUILDING TO 6 TO 9 FEET TONIGHT.
WAVES 7 TO 10 FEET SUBSIDING TO 3 TO 5 FEET SATURDAY.

SUPERIOR SOUTH CENTRAL 12510 11520 11530 14640. FREEZING SPRAY
SATURDAY. WAVES 1 TO 5 FEET TONIGHT. WAVES 3 TO 7 FEET SATURDAY.

SUPERIOR EAST 11610 11510 11530 12540 11640 12641. FREEZING SPRAY
LATE. CHANCE OF SNOW SHOWERS THIS EVENING. FREEZING SPRAY IN THE
AFTERNOON. CHANCE OF SNOW SHOWERS SATURDAY AFTERNOON. WAVES 2 TO
7 FEET TONIGHT. WAVES 5 TO 9 FEET SATURDAY.

$$

PETRO



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