Great Lakes Forecast
Issued by NWS

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432
FZUS63 KMQT 150249
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
949 PM EST TUE FEB 14 2017

.SYNOPSIS...A 29.4 INCH LOW NORTH OF GEORGIAN BAY THIS EVENING
WILL TRACK SOUTHEAST ACROSS EASTERN ONTARIO BY THIS EVENING...AS A
30.3 INCH RIDGE SETTLES OVER THE CENTRAL ROCKIES. TONIGHT INTO
WEDNESDAY...THE LOW WILL TRACK TO NEW ENGLAND AS A 30.1 INCH RIDGE
MOVES INTO THE UPPER GREAT LAKES AND LINGERS THROUGH THURSDAY. A
TROUGH OF 29.6 INCHES WILL DROP SOUTH INTO THE UPPER GREAT LAKES
ON FRIDAY AHEAD OF A 29.2 INCH LOW TRACKING ACROSS CENTRAL CANADA
TO JAMES BAY ON SATURDAY. A 29.7 INCH TROUGH LINGERS OVER THE
UPPER GREAT LAKES ON SATURDAY AS A 30.1 INCH RIDGE MOVES OVER THE
UPPER MISSISSIPPI RIVER VALLEY AND CENTRAL GREAT LAKES ON SUNDAY.

LSZ162-151100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
949 PM EST TUE FEB 14 2017 /849 PM CST TUE FEB 14 2017/

.REST OF TONIGHT...NORTH WINDS 15 TO 25 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS IN THE MORNING.
WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-151100-
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 TUE FEB 14 2017

.REST OF TONIGHT...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY.
SCATTERED SNOW SHOWERS. WAVES 5 TO 8 FEET SUBSIDING TO 3 TO
6 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. ISOLATED SNOW SHOWERS. WAVES SUBSIDING
TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...EAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...EAST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ264-151100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
949 PM EST TUE FEB 14 2017

...GALE WARNING IN EFFECT UNTIL 7 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
EVENING...

.REST OF TONIGHT...NORTH GALES TO 35 KNOTS. HEAVY FREEZING SPRAY.
NUMEROUS SNOW SHOWERS LATE IN THE EVENING. SCATTERED SNOW SHOWERS
AFTER MIDNIGHT. WAVES 8 TO 11 FEET SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY IN THE MORNING.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTHEAST IN
THE AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO
20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ265-151100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
949 PM EST TUE FEB 14 2017

...GALE WARNING IN EFFECT UNTIL 7 AM EST WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
EVENING...

.REST OF TONIGHT...NORTH GALES TO 35 KNOTS BACKING NORTHWEST
AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS. WAVES 8 TO
11 FEET BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO 6 TO 9 FEET.
.WEDNESDAY...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. HEAVY FREEZING SPRAY. NUMEROUS SNOW
SHOWERS IN THE MORNING. SCATTERED SNOW SHOWERS IN THE AFTERNOON.
WAVES SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS.
WAVES CALM TO 2 FEET.

$$

LSZ266-151100-
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 TUE FEB 14 2017

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
EVENING...

.REST OF TONIGHT...NORTH GALES TO 40 KNOTS. FREEZING SPRAY. SNOW
SHOWERS. WAVES 10 TO 14 FEET SUBSIDING TO 7 TO 10 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS. FREEZING SPRAY. NUMEROUS
SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE MORNING. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BECOMING EAST 10 TO 20 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-151100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
949 PM EST TUE FEB 14 2017

...GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH WEDNESDAY
EVENING...

.REST OF TONIGHT...NORTH GALES TO 40 KNOTS. SNOW SHOWERS.
FREEZING SPRAY AFTER MIDNIGHT. WAVES 9 TO 12 FEET SUBSIDING TO
7 TO 10 FEET.
.WEDNESDAY...NORTH GALES TO 35 KNOTS. FREEZING SPRAY. NUMEROUS
SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING.
NUMEROUS SNOW SHOWERS IN THE EVENING...THEN SCATTERED SNOW
SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS IN THE
MORNING. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. WAVES
BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING EAST. WAVES SUBSIDING
TO CALM TO 2 FEET.

$$
LSZ261-151100-
MAFOR 1504/
SUPERIOR WEST 11840 11730 11830 12820 12710 11810. WAVES 3 TO 6
FEET OVERNIGHT. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET
WEDNESDAY. WAVES 1 TO 2 FEET WEDNESDAY EVENING.

SUPERIOR NORTH CENTRAL...GALE WARNING AND HEAVY FREEZING SPRAY
WARNING IN EFFECT...11857 12852 12842 13830. SCATTERED SNOW
SHOWERS. WAVES 8 TO 11 FEET SUBSIDING TO 6 TO 9 FEET OVERNIGHT
AND TO 3 TO 5 FEET WEDNESDAY. WAVES 3 TO 5 FEET WEDNESDAY EVENING.

SUPERIOR SOUTH CENTRAL...GALE WARNING AND HEAVY FREEZING SPRAY
WARNING IN EFFECT...11857 12757 13747 11740 11830. HEAVY FREEZING
SPRAY. SCATTERED SNOW SHOWERS WEDNESDAY EVENING. WAVES 9 TO 12
FEET SUBSIDING TO 7 TO 10 FEET OVERNIGHT AND TO 4 TO 7 FEET
WEDNESDAY. WAVES 3 TO 6 FEET WEDNESDAY EVENING.

SUPERIOR EAST...GALE WARNING AND HEAVY FREEZING SPRAY WARNING IN
EFFECT...13857 14847 11847. HEAVY FREEZING SPRAY. WAVES 9 TO 12
FEET SUBSIDING TO 7 TO 10 FEET OVERNIGHT AND TO 5 TO 9 FEET
WEDNESDAY. WAVES 4 TO 7 FEET WEDNESDAY EVENING.

$$

VOSS



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