Great Lakes Forecast
Issued by NWS

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000
FZUS63 KMQT 121502
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
1002 AM EST FRI DEC 12 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...HIGH PRESSURE OF 30.4 INCHES OVER THE MID MISSISSIPPI
VALLEY AND AN ASSOCIATED 30.2 INCH RIDGE EXTENDING NORTHWARD ACROSS
WISCONSIN AND WESTERN LAKE SUPERIOR WILL REMAIN NEARLY STATIONARY
THROUGH SATURDAY. THE RIDGE WILL PUSH OVER THE LOWER GREAT LAKES BY
SUNDAY AS A LOW PRESSURE TROUGH OF 29.8 INCHES MOVES FROM THE NORTHERN
PLAINS TO MINNESOTA. EXPECT THE LOW PRESSURE TROUGH TO CROSS LAKE
SUPERIOR ON MONDAY. A STRONGER LOW PRESSURE SYSTEM OF 29.5 INCHES
WILL FORM ALONG THE TROUGH MONDAY NIGHT AND LIFT ACROSS THE UPPER
GREAT LAKES ON TUESDAY. AS THE LOW SLIDES TO QUEBEC AND NEW ENGLAND
ON WEDNESDAY...HIGH PRESSURE OF 30.5 INCHES WILL EXPAND FROM SOUTH
CENTRAL CANADA AND THE NORTHERN PLAINS TO THE WESTERN GREAT LAKES.

LSZ162-122315-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
1002 AM EST FRI DEC 12 2014 /902 AM CST FRI DEC 12 2014/

.REST OF TODAY...SOUTHWEST WINDS 10 TO 20 KNOTS. PATCHY FOG. WAVES
2 TO 4 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
6 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO 2 TO
4 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A CHANCE OF DRIZZLE.
WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...SOUTH WINDS 5 TO 15 KNOTS BACKING SOUTHEAST IN THE
AFTERNOON. A CHANCE OF DRIZZLE. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING WEST AFTER
MIDNIGHT. A CHANCE OF RAIN AND DRIZZLE. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF RAIN AND SNOW. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO
4 FEET.

$$

LSZ263-122315-
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-
1002 AM EST FRI DEC 12 2014

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN
THE AFTERNOON. PATCHY FOG. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 3 TO
6 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST IN THE
AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF
DRIZZLE AFTER MIDNIGHT. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BECOMING SOUTH LESS THAN
10 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH AFTER
MIDNIGHT. A CHANCE OF RAIN AND DRIZZLE. WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
A CHANCE OF RAIN. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO
7 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.

$$

LSZ264-122315-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
1002 AM EST FRI DEC 12 2014

.REST OF TODAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST IN
THE AFTERNOON. PATCHY FOG. WAVES 3 TO 5 FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES 3 TO 6 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...WEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. A CHANCE OF DRIZZLE AFTER MIDNIGHT. WAVES
SUBSIDING TO 2 TO 4 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO CALM TO
2 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND DRIZZLE.
WAVES CALM TO 2 FEET.
.MONDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS. A CHANCE OF RAIN. A CHANCE OF SNOW. WAVES BUILDING TO
4 TO 7 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS BACKING NORTH. A CHANCE
OF SNOW. WAVES SUBSIDING TO 3 TO 5 FEET.

$$

LSZ265-122315-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
1002 AM EST FRI DEC 12 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES 1 TO
3 FEET SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES CALM TO 2 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTH IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS BECOMING SOUTHWEST
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND DRIZZLE.
WAVES CALM TO 2 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTH. A CHANCE OF
RAIN. A CHANCE OF SNOW. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...NORTH WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW. WAVES
4 TO 7 FEET.

$$

LSZ266-122315-
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-
1002 AM EST FRI DEC 12 2014

.REST OF TODAY...WEST WINDS 5 TO 15 KNOTS. PATCHY FOG. WAVES 2 TO
4 FEET.
.TONIGHT...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 3 TO
5 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS VEERING WEST IN THE
AFTERNOON. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
2 TO 4 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A CHANCE OF RAIN AND DRIZZLE. WAVES
BUILDING TO 1 TO 3 FEET.
.MONDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 15 TO
25 KNOTS. A CHANCE OF RAIN. WAVES BUILDING TO 4 TO 7 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS BACKING NORTH. A CHANCE
OF SNOW. WAVES 4 TO 7 FEET.

$$

LSZ267-122315-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
1002 AM EST FRI DEC 12 2014

.REST OF TODAY...NORTHWEST WINDS 5 TO 15 KNOTS BACKING WEST IN
THE AFTERNOON. PATCHY FOG. WAVES 3 TO 5 FEET SUBSIDING TO 1 TO 3
FEET.
.TONIGHT...SOUTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO 5 TO
15 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...SOUTHWEST WINDS 5 TO 15 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SATURDAY NIGHT...WEST WINDS 5 TO 15 KNOTS. WAVES SUBSIDING TO
1 TO 3 FEET.
.SUNDAY...WEST WINDS 5 TO 15 KNOTS BACKING SOUTHWEST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...SOUTH WINDS 10 TO 20 KNOTS. A CHANCE OF RAIN AND
DRIZZLE. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHWEST WINDS 10 TO 20 KNOTS BACKING EAST. A CHANCE
OF RAIN. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.TUESDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO 5 FEET...THEN
SUBSIDING TO 2 TO 4 FEET.

$$
LSZ261-122315-
MAFOR 1216/
SUPERIOR WEST 14520 11520 12530 11520. WAVES 2 TO 6 FEET.

SUPERIOR NORTH CENTRAL 12620 14520 11520 11620. PATCHY FOG. WAVES 2
TO 6 FEET.

SUPERIOR SOUTH CENTRAL 11620 11610 11510 11500 12510 11610 11510.
PATCHY FOG. WAVES 3 FEET OR LESS.

SUPERIOR EAST 11710 12610 12510 11500 12510. PATCHY FOG. WAVES 2 TO
4 FEET.

$$

JLA





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