Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 201429
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
929 AM EST SAT DEC 20 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...EXPECT A 30.4 INCH RIDGE CENTERED OVER QUEBEC TO DRIFT
INTO THE CANADIAN MARITIME ON SUNDAY AND THEN STALL IN THAT AREA
THROUGH MONDAY. A 29.4 INCH LOW PRESSURE SYSTEM DEVELOPING IN
ALBERTA ON SUNDAY WILL THEN SLIDE SOUTHEAST OVER THE NORTHERN PLAINS
ON MONDAY AND INTO WISCONSIN ON TUESDAY...WHILE WEAKENING TO 29.5
INCHES. ANOTHER LOW PRESSURE DEVELOPING IN THE LOWER MISSISSIPPI
RIVER VALLEY LATE ON TUESDAY WILL THEN MOVE NORTHEAST TO NEAR DETROIT
BY WEDNESDAY MORNING...AND NEAR JAMES BAY ON THURSDAY WHILE DEEPENING
TO 29.0 INCHES.

LSZ162-202230-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
929 AM EST SAT DEC 20 2014 /829 AM CST SAT DEC 20 2014/

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS IN THE AFTERNOON. SNOW LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW IN
THE EVENING. SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 2 TO
4 FEET.
.TUESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH. A CHANCE
OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS. WAVES BUILDING TO 4 TO 7 FEET.

$$

LSZ263-202230-
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-
929 AM EST SAT DEC 20 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS. SNOW LIKELY.
WAVES 3 TO 5 FEET.
.TUESDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST. SNOW
LIKELY. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST GALES
TO 35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 7 TO 10 FEET.

$$

LSZ264-202230-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
929 AM EST SAT DEC 20 2014

.EARLY THIS MORNING...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES BUILDING TO 3 TO
6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES 3 TO 6 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING SOUTHEAST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES 3 TO 6 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
IN THE EVENING. SNOW LIKELY AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST. SNOW
LIKELY. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 8 TO 11 FEET.

$$

LSZ265-202230-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
929 AM EST SAT DEC 20 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW IN THE EVENING.
SNOW LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BACKING EAST. RAIN AND
SNOW LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHWEST GALES
TO 35 KNOTS. SNOW LIKELY. WAVES BUILDING TO 8 TO 11 FEET.

$$

LSZ266-202230-
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-
929 AM EST SAT DEC 20 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF SNOW IN
THE AFTERNOON. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY NIGHT...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 4 TO 7 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW. WAVES
SUBSIDING TO 3 TO 6 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
IN THE EVENING. SNOW LIKELY AFTER MIDNIGHT. WAVES 3 TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 20 KNOTS. RAIN LIKELY. A CHANCE OF
SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY...NORTH WINDS 15 TO 25 KNOTS INCREASING TO GALES TO
35 KNOTS. SNOW LIKELY. WAVES BUILDING TO 9 TO 12 FEET.

$$

LSZ267-202230-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
929 AM EST SAT DEC 20 2014

.EARLY THIS MORNING...SOUTH WINDS 5 TO 15 KNOTS. WAVES CALM TO
2 FEET.
.TODAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.
.TONIGHT...SOUTH WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY...SOUTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 20 TO 30 KNOTS BECOMING SOUTH
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW IN THE EVENING...
THEN SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET...
THEN SUBSIDING TO 3 TO 5 FEET.
.MONDAY...SOUTH WINDS 15 TO 25 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW IN THE MORNING. WAVES 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
IN THE EVENING. SNOW LIKELY AFTER MIDNIGHT. WAVES 3 TO 5 FEET.
.TUESDAY...SOUTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. RAIN LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.WEDNESDAY...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING NORTH 20 TO
30 KNOTS. RAIN LIKELY. WAVES BUILDING TO 7 TO 10 FEET.

$$

LSZ261-202230-
MAFOR 2010/
SUPERIOR WEST 12510 14410 11520 11420. SLIGHT CHANCE OF SNOW. WAVES
1 TO 3 FEET.

SUPERIOR NORTH CENTRAL 16410. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12510 14410 11410 11420. WAVES 1 TO 3 FEET.

SUPERIOR EAST 11510 12410 14420 11420. WAVES 1 TO 3 FEET.

$$

JLA







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