Great Lakes Forecast
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FZUS63 KMQT 010249
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
949 PM EST SAT JAN 31 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.1 INCH TROUGH OF LOW PRESSURE JUST EAST OF SAULT
SAINT MARIE WILL SLIDE INTO QUEBEC TONIGHT. A LARGE 30.9 INCH HIGH
PRESSURE SYSTEM ACROSS WESTERN AND CENTRAL CANADA 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.

LSZ162-011100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
949 PM EST SAT JAN 31 2015

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES BUILDING
TO 3 TO 5 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.TUESDAY...NORTHWEST WINDS 5 TO 15 KNOTS. SCATTERED SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SCATTERED SNOW
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.

$$

LSZ263-011100-
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-
949 PM EST SAT JAN 31 2015

.REST OF TONIGHT...NORTHEAST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 3 TO 6
FEET SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SCATTERED SNOW SHOWERS. HEAVY FREEZING SPRAY IN
THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY
IN THE EVENING. NUMEROUS SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.TUESDAY...NORTHWEST WINDS 10 TO 20 KNOTS. NUMEROUS SNOW SHOWERS
IN THE MORNING...THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. SCATTERED SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 1 TO 3 FEET.

$$

LSZ264-011100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
949 PM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 5 AM EST SUNDAY...

.REST OF TONIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SCATTERED SNOW
SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW SHOWERS.
WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO 30 KNOTS
IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET...THEN BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
NUMEROUS SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. NUMEROUS SNOW SHOWERS
IN THE MORNING...THEN SCATTERED SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. HEAVY FREEZING SPRAY. SCATTERED SNOW SHOWERS. NUMEROUS
SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO
2 TO 4 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.

$$

LSZ265-011100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
949 PM EST SAT JAN 31 2015

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. FREEZING SPRAY THROUGH MIDNIGHT.
NUMEROUS SNOW SHOWERS BECOMING SCATTERED AFTER MIDNIGHT. WAVES 3 TO 6
FEET SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BACKING NORTH IN THE
AFTERNOON. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES BUILDING TO 1 TO
3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SCATTERED 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. SCATTERED SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. NUMEROUS SNOW SHOWERS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. NUMEROUS SNOW SHOWERS. WAVES
BUILDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS. SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ266-011100-
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-
949 PM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 5 AM EST SUNDAY...

.REST OF TONIGHT...NORTH WINDS 20 TO 30 KNOTS BECOMING NORTHEAST
15 TO 25 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. NUMEROUS
SNOW SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. SCATTERED SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.MONDAY NIGHT...WEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING SPRAY
IN THE EVENING. FREEZING SPRAY AFTER MIDNIGHT. SNOW SHOWERS.
WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...WEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. NUMEROUS
SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
3 TO 5 FEET.

$$

LSZ267-011100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
949 PM EST SAT JAN 31 2015

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 5 AM EST SUNDAY...

.REST OF TONIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. ISOLATED SNOW SHOWERS. WAVES 4 TO 7 FEET SUBSIDING TO 2 TO 4
FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES BUILDING
TO 3 TO 6 FEET.
.MONDAY NIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. HEAVY FREEZING
SPRAY. NUMEROUS SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.
.TUESDAY...WEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING SPRAY IN THE
MORNING. SNOW SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY...NORTHWEST WINDS 15 TO 25 KNOTS. HEAVY FREEZING
SPRAY. SNOW SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN
SUBSIDING TO 3 TO 5 FEET.
.THURSDAY...SOUTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. NUMEROUS SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...
THEN BUILDING TO 3 TO 5 FEET.

$$
LSZ261-011100-
MAFOR 0104/
SUPERIOR WEST 14130 11130 13820. SCATTERED SNOW SHOWERS
OVERNIGHT AND EARLY SUNDAY AFTERNOON. WAVES 2 TO 5 FEET.

SUPERIOR NORTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
12132 11120 14820 11830. SCATTERED SNOW SHOWERS OVERNIGHT. SCATTERED
SNOW SHOWERS EARLY SUNDAY AFTERNOON AND SUNDAY EVENING. WAVES 2 TO 6
FEET.

SUPERIOR SOUTH CENTRAL...HEAVY FREEZING SPRAY WARNING IN EFFECT...
12137 11217 11317 11410 11500 11720 11820. HEAVY FREEZING SPRAY
OVERNIGHT. SCATTERED SNOW SHOWERS SUNDAY AND SUNDAY EVENING.
WAVES 1 TO 6 FEET.

SUPERIOR EAST...HEAVY FREEZING SPRAY WARNING IN EFFECT...12132
12120 12110 11820 11120. SCATTERED SNOW SHOWERS OVERNIGHT. SCATTERED
SNOW SHOWERS EARLY SUNDAY AFTERNOON AND SUNDAY EVENING. WAVES 1 TO 6
FEET.

$$

PETRO



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