Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FZUS63 KMQT 260812
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
312 AM EST FRI DEC 26 2014

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 29.9 INCH TROUGH OVER EASTERN LAKE SUPERIOR TONIGHT
WILL SLIDE SLOWLY EASTWARD AND STALL NEAR THE MACKINAC STRAITS
TONIGHT. A 29.9 INCH LOW DEVELOPING IN THE CENTRAL PLAINS TONIGHT WILL
MOVE NORTHEAST ALONG THIS TROUGH ON SATURDAY WHILE STRENGTHENING TO
29.8 INCHES. THE LOW WILL STRENGTHEN FURTHER TO 29.7 INCHES ON
SATURDAY NIGHT AS IT MOVES INTO QUEBEC...ALLOWING A 30.1 INCH RIDGE
TO MOVE OVER THE UPPER GREAT LAKES REGION. A WEAK TROUGH OF 30.0
INCHES WILL QUICKLY MOVE ACROSS LAKE SUPERIOR ON SUNDAY AHEAD OF A
STRONG HIGH OF 31.2 INCHES BUILDING OVER ALBERTA. THIS HIGH WILL
DRIFT SOUTHEAST INTO THE NORTHERN AND CENTRAL PLAINS BY TUESDAY AND
STRETCH A 30.5 INCH RIDGE OVER THE UPPER GREAT LAKES.

LSZ162-261615-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
312 AM EST FRI DEC 26 2014 /212 AM CST FRI DEC 26 2014/

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

$$

LSZ263-261615-
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-
312 AM EST FRI DEC 26 2014

.EARLY THIS MORNING...NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SNOW. WAVES 1 TO 3 FEET SUBSIDING TO CALM TO 2 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE OF SNOW.
WAVES CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW AFTER MIDNIGHT. WAVES
BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 5 TO
15 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 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.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET.
.SUNDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 20 TO
30 KNOTS. HEAVY FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.

$$

LSZ264-261615-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
312 AM EST FRI DEC 26 2014

.EARLY THIS MORNING...NORTHWEST WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 1 TO 3 FEET.
.TODAY...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO
CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF SNOW
AFTER MIDNIGHT. 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 SUBSIDING TO 1 TO 3 FEET...THEN BUILDING TO
3 TO 5 FEET.
.SUNDAY...NORTHWEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. FREEZING SPRAY. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 7 TO 10 FEET.

$$

LSZ265-261615-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
312 AM EST FRI DEC 26 2014

.EARLY THIS MORNING...WEST WINDS LESS THAN 10 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES CALM TO 2 FEET.
.TODAY...NORTH WINDS LESS THAN 10 KNOTS INCREASING TO 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. WAVES CALM TO
2 FEET.
.TONIGHT...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. SNOW LIKELY IN THE MORNING...THEN A CHANCE OF SNOW IN
THE AFTERNOON. WAVES BUILDING TO 2 TO 4 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 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS INCREASING TO
15 TO 25 KNOTS AFTER MIDNIGHT. 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 BUILDING TO 3 TO 5 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 4 TO 7 FEET.

$$

LSZ266-261615-
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-
312 AM EST FRI DEC 26 2014

.EARLY THIS MORNING...WEST WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SNOW. WAVES 2 TO 4 FEET.
.TODAY...WEST WINDS LESS THAN 10 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. PATCHY DRIZZLE IN THE MORNING. A
SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS. SNOW LIKELY IN THE
MORNING...THEN A CHANCE OF SNOW IN THE AFTERNOON. WAVES BUILDING
TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.SUNDAY...NORTHWEST WINDS 15 TO 25 KNOTS. SNOW SHOWERS LIKELY IN
THE MORNING...THEN A CHANCE OF SNOW SHOWERS IN THE AFTERNOON.
FREEZING SPRAY IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
4 TO 7 FEET.
.TUESDAY...NORTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST GALES TO
35 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
8 TO 11 FEET.

$$

LSZ267-261615-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
312 AM EST FRI DEC 26 2014

.EARLY THIS MORNING...SOUTHWEST WINDS 5 TO 15 KNOTS. A SLIGHT
CHANCE OF SNOW. WAVES 2 TO 4 FEET.
.TODAY...SOUTHWEST WINDS 5 TO 15 KNOTS BECOMING NORTHWEST LESS
THAN 10 KNOTS IN THE AFTERNOON. PATCHY DRIZZLE IN THE MORNING. A
SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM TO 2 FEET.
.TONIGHT...NORTH WINDS 5 TO 15 KNOTS. A CHANCE OF SNOW. WAVES
CALM TO 2 FEET.
.SATURDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING NORTH IN THE
AFTERNOON. SNOW LIKELY. 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. SNOW SHOWERS LIKELY.
WAVES SUBSIDING TO 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO 2 TO 4 FEET.
.MONDAY...NORTHWEST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW
SHOWERS...THEN SNOW SHOWERS LIKELY. FREEZING SPRAY. WAVES
BUILDING TO 3 TO 6 FEET.
.TUESDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST GALES TO
35 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES BUILDING TO
4 TO 8 FEET.

$$

LSZ261-261615-
MAFOR 2610/
SUPERIOR WEST 15810 12820. SLIGHT CHANCE OF SNOW EARLY THIS MORNING.
WAVES 1 TO 2 FEET TODAY. WAVES 1 TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL 11710 14810 13820. SLIGHT CHANCE OF SNOW
OVERNIGHT. WAVES 1 TO 3 FEET.

SUPERIOR SOUTH CENTRAL 12600 11700 14810 11810. SLIGHT CHANCE OF
SNOW TODAY. CHANCE OF SNOW TONIGHT. WAVES 2 FEET OR LESS TODAY.
WAVES 1 TO 2 FEET TONIGHT.

SUPERIOR EAST 11610 11500 11600 11700 11800 11810 11800 11810.
SLIGHT CHANCE OF SNOW TODAY. CHANCE OF SNOW OVERNIGHT. WAVES 2 TO
4 FEET SUBSIDING TO 1 TO 2 FEET TODAY. WAVES AROUND 1 FOOT TONIGHT.

$$

VOSS





USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.