Great Lakes Forecast
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FZUS63 KMQT 310858
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
358 AM EST SAT JAN 31 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.5 INCH HIGH PRESSURE AREA STRETCHING FROM QUEBEC
INTO THE LOWER MISSISSIPPI VALLEY WILL MOVE SOUTHEAST AND BECOME
CENTERED OVER THE CAROLINA COAST TONIGHT. A 30.1 INCH TROUGH OF LOW
PRESSURE JUST NORTHWEST OF LAKE SUPERIOR WILL MOVE ACROSS LAKE
SUPERIOR AND INTO SOUTHEASTERN ONTARIO BY THIS AFTERNOON. A LARGE
30.9 INCH HIGH PRESSURE ACROSS WESTERN AND CENTRAL CANADA TODAY WILL
SETTLE ACROSS THE NORTHERN AND CENTRAL PLAINS STATES AT 30.6 INCHES
SUNDAY INTO SUNDAY NIGHT. EXPECT A 30.5 INCH RIDGE EXTENDING FROM
THIS HIGH ACROSS LAKE SUPERIOR SUNDAY MORNING TO SLOWLY WEAKEN TO
30.2 INCHES BY MONDAY AFTERNOON AS THE AREA OF HIGH PRESSURE DRIFTS
ACROSS THE OHIO VALLEY...AND THEN THE MID ATLANTIC STATES TUESDAY. A
29.9 INCH TROUGH WILL THEN CROSS THE UPPER GREAT LAKES ON TUESDAY.

LSZ162-311700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
358 AM EST SAT JAN 31 2015

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.TODAY...NORTH WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ263-311700-
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-
358 AM EST SAT JAN 31 2015

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW. WAVES 2 TO 4 FEET.
.TODAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. HEAVY FREEZING SPRAY
IN THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST. SNOW
SHOWERS LIKELY. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ264-311700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
358 AM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM NOON EST TODAY
THROUGH LATE TONIGHT...

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES 2 TO 4 FEET.
.TODAY...NORTH WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO 35
KNOTS POSSIBLE IN THE AFTERNOON. NUMEROUS SNOW SHOWERS IN THE
MORNING... THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON. HEAVY
FREEZING SPRAY IN THE AFTERNOON. WAVES BUILDING TO 5 TO 8 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.
.MONDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. SNOW
SHOWERS LIKELY...THEN A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 3 TO 5 FEET.

$$

LSZ265-311700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
358 AM EST SAT JAN 31 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO
30 KNOTS IN THE AFTERNOON. NUMEROUS SNOW SHOWERS. FREEZING SPRAY IN
THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. SNOW SHOWERS
LIKELY IN THE EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.

$$

LSZ266-311700-
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-
358 AM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM NOON EST TODAY
THROUGH LATE TONIGHT...

.EARLY THIS MORNING...WEST WINDS 10 TO 20 KNOTS. SNOW LIKELY.
WAVES 2 TO 4 FEET.
.TODAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH 20 TO 30
KNOTS IN THE AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS POSSIBLE
IN THE AFTERNOON. SNOW SHOWERS. HEAVY FREEZING SPRAY IN THE
AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST 10 TO 20
KNOTS AFTER MIDNIGHT. A FEW GALE FORCE GUSTS TO 35 KNOTS POSSIBLE IN
THE EVENING. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH IN THE
AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO 3 TO
6 FEET.
.MONDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN
SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO
6 TO 9 FEET...THEN SUBSIDING TO 3 TO 6 FEET.

$$

LSZ267-311700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
358 AM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM NOON EST TODAY
THROUGH LATE TONIGHT...

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. SNOW
LIKELY. WAVES 1 TO 3 FEET.
.TODAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS IN THE AFTERNOON. SNOW SHOWERS. HEAVY FREEZING SPRAY IN
THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST 15 TO
25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING. SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES SUBSIDING TO
CALM TO 2 FEET.
.SUNDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING
TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES BUILDING TO
6 TO 9 FEET...THEN SUBSIDING TO 3 TO 6 FEET.

$$

LSZ261-311700-
MAFOR 3110/
SUPERIOR WEST 11720 11830 12820 11830 13130. SCATTERED SNOW
SHOWERS THIS MORNING. CHANCE OF SNOW SHOWERS AFTER MIDNIGHT
TONIGHT. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11737 11747 13852 12842 11137. HEAVY FREEZING SPRAY THIS
AFTERNOON INTO TONIGHT. CHANCE OF SNOW. WAVES 3 TO 5 FEET BUILDING
TO 5 TO 8 FEET TODAY. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO 5 FEET
TONIGHT.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11520 11637 12747 12847 11147 11137. HEAVY FREEZING SPRAY THIS
AFTERNOON INTO TONIGHT. CHANCE OF SNOW EARLY THIS MORNING. WAVES 2
FEET OR LESS BUILDING TO 4 TO 7 FEET TODAY. WAVES 3 TO 7 FEET
TONIGHT.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...11537
11637 12747 12847 11142 11132. FREEZING SPRAY THIS AFTERNOON.
HEAVY FREEZING SPRAY THIS AFTERNOON INTO TONIGHT. CHANCE OF SNOW
SHOWERS LATE TONIGHT. WAVES 2 TO 7 FEET.

$$

TITUS



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