Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 170258
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
958 PM EST TUE DEC 16 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.7 INCH LOW PRESSURE SYSTEM SOUTH OF GEORGIAN BAY
WILL MOVE EAST TO LAKE ONTARIO BY WEDNESDAY MORNING. MEANWHILE...A
30.5 INCH HIGH PRESSURE SYSTEM OVER THE NORTHERN PLAINS WILL REMAIN
STATIONARY THROUGH WEDNESDAY. THIS HIGH WILL DRIFT SLOWLY SOUTHEAST
INTO THE GREAT LAKES THROUGH SUNDAY AND SLOWLY WEAKEN TO 30.3 INCHES.

LSZ162-171100-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
958 PM EST TUE DEC 16 2014 /858 PM CST TUE DEC 16 2014/

.REST OF TONIGHT...NORTH WINDS 10 TO 20 KNOTS. SNOW. FREEZING
SPRAY AFTER MIDNIGHT. WAVES 3 TO 6 FEET BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 3 TO 6 FEET.
.WEDNESDAY...NORTH WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES 3 TO 5 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING
TO 2 TO 4 FEET.
.THURSDAY...NORTHEAST WINDS 5 TO 15 KNOTS DIMINISHING TO LESS
THAN 10 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.THURSDAY NIGHT...EAST WINDS LESS THAN 10 KNOTS VEERING SOUTH
AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.FRIDAY...SOUTH WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS IN THE AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST AFTER
MIDNIGHT. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.

$$

LSZ263-171100-
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-
958 PM EST TUE DEC 16 2014

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

$$

LSZ264-171100-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
958 PM EST TUE DEC 16 2014

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

$$

LSZ265-171100-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
958 PM EST TUE DEC 16 2014

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

$$

LSZ266-171100-
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-
958 PM EST TUE DEC 16 2014

.REST OF TONIGHT...NORTH WINDS 20 TO 30 KNOTS. SNOW. WAVES 6 TO
9 FEET.
.WEDNESDAY...NORTH WINDS 20 TO 30 KNOTS. FREEZING SPRAY IN THE
MORNING. SNOW SHOWERS IN THE MORNING...THEN A CHANCE OF SNOW
SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 5 TO 8 FEET.
.WEDNESDAY NIGHT...NORTH WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. FREEZING SPRAY IN THE EVENING. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 4 TO 7 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH IN THE
AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...NORTH WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.SUNDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.

$$

LSZ267-171100-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
958 PM EST TUE DEC 16 2014

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

$$
LSZ261-171100-
MAFOR 1704/
SUPERIOR WEST 12837 11827 14820 11120. FREEZING SPRAY OVERNIGHT
AND IN THE MORNING. CHANCE OF SNOW SHOWERS WEDNESDAY. SLIGHT CHANCE
OF SNOW SHOWERS WEDNESDAY EVENING. WAVES 4 TO 7 FEET.

SUPERIOR NORTH CENTRAL 14847 11837 13830. FREEZING SPRAY OVERNIGHT
THROUGH WEDNESDAY AFTERNOON. CHANCE OF SNOW SHOWERS WEDNESDAY
AFTERNOON. SLIGHT CHANCE OF SNOW SHOWERS WEDNESDAY EVENING. WAVES 7
TO 10 FEET OVERNIGHT. WAVES 5 TO 8 FEET WEDNESDAY AND WEDNESDAY
EVENING.

SUPERIOR SOUTH CENTRAL 13837 12847 11837 12830. CHANCE OF SNOW
SHOWERS WEDNESDAY EVENING. WAVES 7 TO 10 FEET OVERNIGHT AND
WEDNESDAY. WAVES 5 TO 8 FEET WEDNESDAY EVENING.

SUPERIOR EAST 12137 14837 12830. FREEZING SPRAY WEDNESDAY MORNING AND
EVENING. CHANCE OF SNOW SHOWERS WEDNESDAY EVENING. WAVES 5 TO 7 FEET.

$$

JS




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