Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 260223
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
923 PM EST TUE NOV 25 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH LOW PRESSURE SYSTEM OVER THE NORTHERN PLAINS
WILL MOVE SOUTHEAST THROUGH THE CENTRAL MISSISSIPPI VALLEY OVERNIGHT
AND WEDNESDAY AS HIGH PRESSURE OF 30.6 INCHES BUILDS INTO THE
NORTHERN PLAINS FROM SOUTH CENTRAL CANADA. THE HIGH WILL THEN SETTLE
OVER THE SOUTHEASTERN U.S. FRIDAY MORNING WHILE LOW PRESSURE OF 29.6
INCHES DEVELOPS OVER THE NORTHERN HIGH PLAINS. THIS LOW WILL DEEPEN
SLIGHTLY TO 29.5 INCHES AS IT TRACKS EAST ACROSS THE NORTHERN GREAT
LAKES SATURDAY...REACHING QUEBEC BY SUNDAY MORNING.

LSZ162-261030-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
923 PM EST TUE NOV 25 2014 /823 PM CST TUE NOV 25 2014/

.REST OF TONIGHT...WEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. ISOLATED SNOW SHOWERS AFTER MIDNIGHT. WAVES CALM TO
2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH IN THE
AFTERNOON. NUMEROUS SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS. FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
WAVES BUILDING TO 1 TO 3 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
1 TO 3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET...
THEN BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST. WAVES
SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 3 TO 5 FEET.

$$

LSZ263-261030-
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-
923 PM EST TUE NOV 25 2014

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

$$

LSZ264-261030-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
923 PM EST TUE NOV 25 2014

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. NUMEROUS SNOW SHOWERS. FREEZING SPRAY
IN THE AFTERNOON. WAVES BUILDING TO 4 TO 7 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY. SNOW
SHOWERS LIKELY. WAVES BUILDING TO 6 TO 9 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING
SOUTHWEST 5 TO 15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO
3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO
4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 3 TO 5 FEET...THEN BUILDING TO 4 TO 7 FEET.

$$

LSZ265-261030-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
923 PM EST TUE NOV 25 2014

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING SOUTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS. WAVES 2 TO
4 FEET SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS IN THE AFTERNOON. WAVES BUILDING TO
3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. SNOW SHOWERS. FREEZING SPRAY AFTER
MIDNIGHT. WAVES BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 10 TO
20 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF RAIN. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS BACKING WEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 5 FEET...THEN BUILDING
TO 3 TO 6 FEET.

$$

LSZ266-261030-
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-
923 PM EST TUE NOV 25 2014

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. SCATTERED SNOW SHOWERS. WAVES 3 TO
5 FEET SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST IN THE
AFTERNOON. SCATTERED SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 3 TO 6 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.
.THURSDAY...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. FREEZING SPRAY. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO
4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A CHANCE
OF SNOW. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS BACKING WEST. FREEZING
SPRAY. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET...
THEN BUILDING TO 4 TO 7 FEET.

$$

LSZ267-261030-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
923 PM EST TUE NOV 25 2014

.REST OF TONIGHT...WEST WINDS 10 TO 20 KNOTS. SCATTERED SNOW
SHOWERS. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BECOMING SOUTH 5 TO
15 KNOTS IN THE AFTERNOON. SCATTERED SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY NIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY. WAVES BUILDING TO
5 TO 8 FEET.
.THURSDAY...NORTH WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY.
WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET...THEN SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST. A
CHANCE OF SNOW. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTH WINDS 15 TO 25 KNOTS BACKING WEST. A CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO
3 TO 5 FEET.

$$
LSZ261-261030-
MAFOR 2604/
SUPERIOR WEST 11610 11710 11820 12137 11147 11847 11840. ISOLATED
SNOW SHOWERS OVERNIGHT. FREEZING SPRAY. CHANCE OF SNOW SHOWERS
WEDNESDAY EVENING. WAVES 1 TO 3 FEET OVERNIGHT BUILDING TO 4 TO 6
FEET WEDNESDAY. WAVES 5 TO 7 FEET WEDNESDAY EVENING.

SUPERIOR NORTH CENTRAL 12710 11820 12137 11147 12847. SCATTERED SNOW
SHOWERS OVERNIGHT AND IN THE MORNING. FREEZING SPRAY WEDNESDAY
AFTERNOON AND EVENING. WAVES CALM TO 3 FEET OVERNIGHT BUILDING TO 4
TO 6 FEET WEDNESDAY. WAVES 5 TO 8 FEET BUILDING TO 6 TO 9 FEET
WEDNESDAY EVENING.

SUPERIOR SOUTH CENTRAL 11620 11610 11510 12500 11610 12847. SCATTERED
SNOW SHOWERS WEDNESDAY. WAVES 1 TO 4 FEET OVERNIGHT AND WEDNESDAY
BUILDING TO 5 TO 8 FEET WEDNESDAY EVENING.

SUPERIOR EAST 11620 11610 12510 12410 11510 11737. SCATTERED SNOW
SHOWERS OVERNIGHT AND WEDNESDAY. WAVES CALM TO 4 FEET OVERNIGHT AND
WEDNESDAY. WAVES BUILDING TO 3 TO 5 FEET WEDNESDAY EVENING.

$$

RJT





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