Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 140904
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
404 AM EST SAT JAN 14 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 BY THIS AFTERNOON. MEANWHILE...A 30.3
INCH TROUGH OVER NORTHERN ONTARIO WILL BRUSH ACROSS LAKE SUPERIOR
THROUGH EARLY THIS AFTERNOON. A 30.5 INCH RIDGE WILL THEN BUILD
ACROSS THE UPPER MISSISSIPPI RIVER VALLEY TODAY AND THE 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 WILL THEN BE FOLLOWED BY A WEAK 29.8 INCH RIDGE ON
WEDNESDAY.

LSZ162-141715-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
404 AM EST SAT JAN 14 2017 /304 AM CST SAT JAN 14 2017/

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 PM EST /NOON
CST/ THIS AFTERNOON...

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 5 TO 8 FEET.
.TODAY...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.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING
TO 3 TO 6 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...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED
WITH FREEZING RAIN. WAVES CALM TO 2 FEET.
.TUESDAY...NORTH WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-141715-
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-
404 AM EST SAT JAN 14 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS. FREEZING SPRAY. ISOLATED SNOW SHOWERS. WAVES 6 TO
9 FEET BUILDING TO 7 TO 10 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY IN THE
MORNING. ISOLATED SNOW SHOWERS IN THE MORNING. WAVES SUBSIDING TO
2 TO 4 FEET.
.TONIGHT...WEST WINDS 5 TO 15 KNOTS. 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 6 TO 9 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.MONDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW...POSSIBLY MIXED
WITH FREEZING RAIN. WAVES CALM TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO
3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-141715-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
404 AM EST SAT JAN 14 2017

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

.EARLY THIS MORNING...WEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE
GUSTS TO 35 KNOTS. HEAVY FREEZING SPRAY. ISOLATED SNOW SHOWERS.
WAVES 6 TO 9 FEET BUILDING TO 7 TO 10 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SCATTERED SNOW SHOWERS IN THE MORNING. HEAVY FREEZING
SPRAY THROUGH EARLY AFTERNOON. WAVES BUILDING TO 8 TO 11 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...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 6 TO 9 FEET.
.SUNDAY NIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET...THEN
SUBSIDING TO 4 TO 7 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. A CHANCE OF RAIN IN
THE EVENING. A CHANCE OF FREEZING RAIN AND SNOW. WAVES SUBSIDING
TO CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING WEST. A CHANCE
OF SLEET. A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO
3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ265-141715-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
404 AM EST SAT JAN 14 2017

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES 3 TO 6
FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. ISOLATED SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.TONIGHT...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 INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 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...POSSIBLY MIXED WITH FREEZING
RAIN AND RAIN IN THE EVENING. SNOW...POSSIBLY MIXED WITH FREEZING
RAIN AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. A CHANCE OF SLEET...POSSIBLY MIXED WITH FREEZING RAIN.
A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO CALM
TO 2 FEET.

$$

LSZ266-141715-
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-
404 AM EST SAT JAN 14 2017

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE
FORCE GUSTS TO 35 KNOTS. FREEZING SPRAY. ISOLATED SNOW SHOWERS.
WAVES 6 TO 9 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS. FREEZING SPRAY. SCATTERED
SNOW SHOWERS. WAVES BUILDING TO 8 TO 11 FEET...THEN SUBSIDING TO
3 TO 6 FEET.
.TONIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. 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 6 TO 9 FEET.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 4 TO 7 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
FREEZING RAIN. SNOW LIKELY AFTER MIDNIGHT. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. FREEZING RAIN LIKELY...POSSIBLY MIXED WITH SLEET. A
CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-141715-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
404 AM EST SAT JAN 14 2017

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

$$

LSZ261-141715-
MAFOR 1410/
SUPERIOR WEST...HEAVY FREEZING SPRAY WARNING IN EFFECT...12642
11630 12620 13610. WAVES 5 TO 8 FEET SUBSIDING TO 1 TO 4 FEET TODAY
AND TONIGHT.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11640 12640 12630 12720 11610. HEAVY FREEZING SPRAY THROUGH EARLY
AFTERNOON. FREEZING SPRAY THIS AFTERNOON. SCATTERED SNOW SHOWERS
THROUGH MID MORNING. WAVES 6 TO 11 FEET...THEN SUBSIDING TO 2 TO 5
FEET TODAY AND TONIGHT.

SUPERIOR SOUTH CENTRAL 11540 13640 12630 12620. FREEZING SPRAY
TODAY. WAVES 2 TO 7 FEET.

SUPERIOR EAST 11540 11640 12641 12730 11720 11710. FREEZING SPRAY
TODAY. SCATTERED SNOW SHOWERS FROM LATE MORNING THROUGH EARLY
THIS EVENING. WAVES 3 TO 8 FEET.

$$

KEC


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