Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 072100
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EST WED DEC 7 2016

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.4 INCH LOW PRESSURE NEAR JAMES BAY THIS EVENING
WILL DRIFT EASTWARD TO THE CANADIAN MARITIMES THROUGH FRIDAY
MORNING. THIS WILL DRAG A TROUGH AVERAGING 29.7 INCHES ACROSS LAKE
SUPERIOR TONIGHT. AT THE SAME TIME...A 30.7 INCH HIGH PRESSURE RIDGE
WILL BUILD ACROSS THE CENTRAL PLAINS. THE RIDGE WILL THEN CROSS THE
UPPER GREAT LAKES FRIDAY NIGHT INTO SATURDAY WHILE WEAKENING TO 30.3
INCHES. A TROUGH OF LOW PRESSURE AVERAGING 29.8 INCHES WILL THEN
SLIDE FROM THE PLAINS LATE SATURDAY INTO THE UPPER GREAT LAKES REGION
BY MONDAY AS IT DEEPENS TO 29.2 INCHES.

LSZ162-080500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
400 PM EST WED DEC 7 2016 /300 PM CST WED DEC 7 2016/

...GALE WARNING IN EFFECT UNTIL 7 PM EST /6 PM CST/ THIS
EVENING...

.LATE THIS AFTERNOON...WEST GALES TO 35 KNOTS. ISOLATED SNOW
SHOWERS. WAVES 7 TO 10 FEET.
.TONIGHT...WEST WINDS 20 TO 30 KNOTS VEERING NORTH AFTER MIDNIGHT.
GALE FORCE GUSTS TO 35 KNOTS EARLY IN THE EVENING. SCATTERED SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. ISOLATED SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BACKING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING WEST 10 TO 20 KNOTS.
A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 20 TO 30 KNOTS. A CHANCE OF SNOW SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ263-080500-
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-
400 PM EST WED DEC 7 2016

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

.LATE THIS AFTERNOON...WEST GALES TO 35 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 10 TO 14 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS BECOMING NORTH 20 TO 30 KNOTS
AFTER MIDNIGHT. NUMEROUS SNOW SHOWERS IN THE EVENING...THEN
SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SCATTERED SNOW SHOWERS.
WAVES 4 TO 8 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO
2 TO 4 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING EAST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES CALM TO
2 FEET.
.SUNDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS.
FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
6 FEET.

$$

LSZ264-080500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
400 PM EST WED DEC 7 2016

...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

.LATE THIS AFTERNOON...WEST GALES TO 35 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 10 TO 14 FEET.
.TONIGHT...NORTHWEST GALES TO 35 KNOTS VEERING NORTH AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SCATTERED SNOW SHOWERS.
WAVES BUILDING TO 6 TO 9 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO
3 TO 5 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHEAST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES CALM
TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS...
THEN SNOW SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO 30 KNOTS.
SNOW SHOWERS. FREEZING SPRAY. WAVES BUILDING TO 3 TO 6 FEET.

$$

LSZ265-080500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
400 PM EST WED DEC 7 2016

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.LATE THIS AFTERNOON...WEST GALES TO 40 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 7 TO 11 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SNOW SHOWERS. WAVES
BUILDING TO 6 TO 9 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING WEST 5 TO
15 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...
THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES CALM TO
2 FEET.
.SATURDAY NIGHT...SOUTHEAST 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.
.SUNDAY...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW SHOWERS...
THEN SNOW SHOWERS LIKELY. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...WEST WINDS 20 TO 30 KNOTS INCREASING TO GALES TO
35 KNOTS. SNOW SHOWERS LIKELY. WAVES BUILDING TO 3 TO 5 FEET...
THEN SUBSIDING TO 1 TO 3 FEET.

$$

LSZ266-080500-
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-
400 PM EST WED DEC 7 2016

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.LATE THIS AFTERNOON...WEST GALES TO 40 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 10 TO 15 FEET.
.TONIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO 11 TO 16 FEET...THEN
SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. NUMEROUS SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
6 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS. SNOW SHOWERS.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. SNOW SHOWERS IN THE MORNING...THEN A
CHANCE OF SNOW SHOWERS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS VEERING SOUTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY...NORTHEAST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS...THEN SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS. FREEZING SPRAY. SNOW SHOWERS. WAVES 3 TO 6 FEET.

$$

LSZ267-080500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
400 PM EST WED DEC 7 2016

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...

.LATE THIS AFTERNOON...WEST GALES TO 40 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 9 TO 12 FEET BUILDING TO 10 TO 14 FEET.
.TONIGHT...WEST GALES TO 40 KNOTS BECOMING NORTHWEST GALES TO
35 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES BUILDING TO 11 TO 16
FEET...THEN SUBSIDING TO 5 TO 8 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS. SCATTERED SNOW SHOWERS.
WAVES BUILDING TO 6 TO 10 FEET.
.THURSDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW SHOWERS LIKELY. WAVES SUBSIDING
TO 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST IN THE
AFTERNOON. SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.MONDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS. SNOW SHOWERS. FREEZING SPRAY. WAVES 3 TO 6 FEET.

$$

LSZ261-080500-
MAFOR 0722/
SUPERIOR WEST...GALE WARNING IN EFFECT...12650 11740 11730 12840
12830. SCATTERED SNOW SHOWERS TONIGHT. WAVES 7 TO 11 FEET SUBSIDING
TO 4 TO 7 FEET TONIGHT. WAVES SUBSIDING TO 3 TO 6 FEET THURSDAY.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11650 11750
11740 14840 11840. SCATTERED SNOW SHOWERS. WAVES 9 TO 13 FEET
SUBSIDING TO 6 TO 9 FEET TONIGHT. WAVES 6 TO 9 FEET THURSDAY.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...13657 11747
14847. SCATTERED SNOW SHOWERS THIS EVENING. WAVES 8 TO 12 FEET
SUBSIDING TO 6 TO 9 FEET TONIGHT. WAVES 6 TO 9 FEET THURSDAY.

SUPERIOR EAST...GALE WARNING IN EFFECT...13657 11747 11830 13840.
SCATTERED SNOW SHOWERS THURSDAY. WAVES 11 TO 16 FEET SUBSIDING TO 8
TO 11 FEET TONIGHT. WAVES SUBSIDING TO 6 TO 9 FEET THURSDAY.

$$

KLUBER


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