Great Lakes Forecast
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000
FZUS63 KMQT 250854
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
354 AM EST THU DEC 25 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...28.9 INCH LOW PRESSURE WILL CONTINUE TO EXIT INTO QUEBEC
TODAY...AS A RIDGE AXIS EXTENDING NORTH OF A 30.3 INCH HIGH PRESSURE
CENTER OVER THE SOUTHEAST STATES CROSSES THE UPPER GREAT LAKES. AS
THIS RIDGE SHIFTS OVER SOUTHEAST CANADA TONIGHT AND INTO NEW ENGLAND
ON FRIDAY...A WEAK TROUGH OF LOW PRESSURE AVERAGING 30.0 INCHES WILL
MOVE ACROSS LAKE SUPERIOR. THIS TROUGH WILL STALL OVER THE CENTRAL
GREAT LAKES ON FRIDAY NIGHT...ALLOWING A WEAK 29.9 INCH LOW PRESSURE
SYSTEM TO MOVE FROM THE UPPER MIDWEST THROUGH LOWER MICHIGAN...AND
INTO SOUTHEAST ONTARIO ON SATURDAY. AS A 30.8 INCH HIGH PRESSURE
BUILDS INTO WESTERN CANADA...AND ANOTHER 30.3 INCH HIGH PRESSURE
SYSTEM MOVES FROM THE PLAINS TOWARD THE OHIO RIVER VALLEY ON
SUNDAY...EXPECT A WEAK TROUGH OF LOW PRESSURE AVERAGING 30.1 INCHES
TO DROP SOUTH THROUGH THE UPPER GREAT LAKES. THE HIGH IN WESTERN
CANADA WILL MOVE INTO THE NORTHERN PLAINS ON MONDAY.

LSZ162-251700-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
354 AM EST THU DEC 25 2014 /254 AM CST THU DEC 25 2014/

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. WAVES 2 TO
4 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET...THEN SUBSIDING
TO 2 TO 4 FEET.
.TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES SUBSIDING
TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTH 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. WAVES
1 TO 3 FEET.

$$

LSZ263-251700-
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-
354 AM EST THU DEC 25 2014

.EARLY THIS MORNING...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF DRIZZLE AND SNOW SHOWERS. WAVES 2 TO 4 FEET BUILDING TO 3 TO
5 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF FREEZING DRIZZLE IN THE
MORNING. A SLIGHT CHANCE OF DRIZZLE AND SNOW SHOWERS. WAVES 3 TO 6
FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO 15 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING
TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ264-251700-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
354 AM EST THU DEC 25 2014

.EARLY THIS MORNING...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE
OF DRIZZLE AND SNOW SHOWERS. WAVES 2 TO 4 FEET.
.TODAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF DRIZZLE AND SNOW SHOWERS.
WAVES BUILDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT.
WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ265-251700-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
354 AM EST THU DEC 25 2014

.EARLY THIS MORNING...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF DRIZZLE AND SNOW SHOWERS. WAVES 3 TO 6 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF DRIZZLE AND SNOW SHOWERS IN
THE MORNING. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM
TO 2 FEET.
.FRIDAY...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...WEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO 2 TO
4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES 2 TO 4 FEET.

$$

LSZ266-251700-
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-
354 AM EST THU DEC 25 2014

.EARLY THIS MORNING...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW SHOWERS AND A SLIGHT CHANCE OF DRIZZLE. WAVES 4 TO 7 FEET.
.TODAY...WEST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE OF DRIZZLE
AND SNOW SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO 15 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO
3 FEET.
.FRIDAY...WEST WINDS 5 TO 15 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO
2 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ267-251700-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
354 AM EST THU DEC 25 2014

.EARLY THIS MORNING...NORTHWEST WINDS 20 TO 30 KNOTS. A CHANCE OF
SNOW SHOWERS...A SLIGHT CHANCE OF DRIZZLE AND FREEZING DRIZZLE.
WAVES 4 TO 7 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS AND A SLIGHT CHANCE OF
DRIZZLE. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO 3 TO
6 FEET.
.TONIGHT...SOUTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING
TO 1 TO 3 FEET.
.FRIDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 15 KNOTS VEERING NORTH AFTER
MIDNIGHT. A CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.SATURDAY...NORTH WINDS 5 TO 15 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS BACKING NORTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.

$$

LSZ261-251700-
MAFOR 2510/
SUPERIOR WEST 14630 11630 11720 11710 11810. SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE THIS MORNING. WAVES 1 TO 6 FEET.

SUPERIOR NORTH CENTRAL 11620 14630 11620 11610 11710. SLIGHT CHANCE
OF DRIZZLE AND SNOW SHOWERS THROUGH TONIGHT. WAVES 1 TO 6 FEET.

SUPERIOR SOUTH CENTRAL 14630 13620 11610. CHANCE OF SNOW SHOWERS AND
SLIGHT CHANCE OF DRIZZLE THIS MORNING. SLIGHT CHANCE OF SNOW
TONIGHT. WAVES 1 TO 6 FEET.

SUPERIOR EAST 11740 11640 14630 12620. SLIGHT CHANCE OF LIGHT
FREEZING DRIZZLE EARLY THIS MORNING. CHANCE OF SNOW SHOWERS AND
SLIGHT CHANCE OF DRIZZLE TODAY. SLIGHT CHANCE OF SNOW TONIGHT. WAVES
4 TO 7 FEET TODAY. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET
TONIGHT.

$$

KF




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