Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
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
000
FZUS63 KMQT 092059
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
359 PM EST MON JAN 9 2017

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...A 30.3 INCH HIGH PRESSURE OVER WESTERN ONTARIO WILL
DISSIPATE OVER NORTHWEST QUEBEC TONIGHT. A 29.4 INCH LOW OVER THE
CENTRAL PLAINS TONIGHT WILL STRENGTHEN TO 29.0 INCHES OVER UPPER
MICHIGAN TUESDAY EVENING AND REACH JAMES BAY WEDNESDAY MORNING...
LEAVING A 29.8 INCHES TROUGH OVER THE UPPER GREAT LAKES THROUGH
WEDNESDAY AFTERNOON. AS THE TROUGH MOVES EASTWARD...A 30.2 INCH HIGH
PRESSURE OVER THE NORTHERN PLAINS WILL BUILD TO 30.8 INCHES OVER THE
NORTHERN GREAT LAKES FRIDAY AFTERNOON. THE HIGH WILL REACH THE
EASTERN GREAT LAKES BY SATURDAY MORNING.

LSZ162-100500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
359 PM EST MON JAN 9 2017 /259 PM CST MON JAN 9 2017/

...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.LATE THIS AFTERNOON...SOUTHEAST WINDS 10 TO 20 KNOTS. A CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. SNOW LIKELY IN THE EVENING...THEN A CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO
1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO 25 KNOTS
IN THE AFTERNOON WITH GALE FORCE GUSTS TO 35 KNOTS LATE. SNOW
LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 6
FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO
3 TO 5 FEET.
.WEDNESDAY...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. WAVES CALM TO 2 FEET.
.THURSDAY...WEST WINDS 10 TO 20 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. WAVES BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
3 TO 6 FEET...THEN SUBSIDING TO 2 TO 4 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.

$$

LSZ263-100500-
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-
359 PM EST MON JAN 9 2017

...GALE WARNING IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE
TUESDAY NIGHT...

.LATE THIS AFTERNOON...SOUTHEAST WINDS 5 TO 15 KNOTS. A CHANCE OF
SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH AFTER
MIDNIGHT. SNOW LIKELY IN THE EVENING...THEN A CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 2 TO 4 FEET.
.TUESDAY...SOUTH WINDS 5 TO 15 KNOTS BECOMING WEST 15 TO 25 KNOTS
IN THE AFTERNOON WITH GALE FORCE GUSTS TO 35 KNOTS LATE. SNOW
LIKELY. WAVES SUBSIDING TO 1 TO 3 FEET... THEN BUILDING TO 3 TO 6
FEET.
.TUESDAY NIGHT...WEST GALES TO 35 KNOTS. HEAVY FREEZING SPRAY. A
CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 10 TO 14 FEET...THEN
SUBSIDING TO 6 TO 9 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST IN THE
AFTERNOON. SNOW SHOWERS LIKELY IN THE MORNING...THEN A CHANCE OF
SNOW SHOWERS IN THE AFTERNOON. WAVES SUBSIDING TO 1 TO 3 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 6 FEET.
.THURSDAY NIGHT...WEST GALES TO 35 KNOTS BECOMING NORTHWEST 20 TO
30 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 5 TO 8 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.FRIDAY...WEST WINDS 10 TO 20 KNOTS BACKING SOUTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHWEST WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET.

$$

LSZ264-100500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
359 PM EST MON JAN 9 2017

...GALE WARNING IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW LIKELY. WAVES
BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW. WAVES SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST GALES TO 40 KNOTS. HEAVY FREEZING SPRAY.
SNOW SHOWERS LIKELY IN THE EVENING. A CHANCE OF SNOW SHOWERS
AFTER MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET...THEN SUBSIDING
TO 7 TO 10 FEET.
.WEDNESDAY...WEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. FREEZING SPRAY IN THE MORNING. SNOW
SHOWERS LIKELY. WAVES SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM
TO 2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 20 TO
30 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS IN THE
MORNING...THEN SNOW SHOWERS LIKELY IN THE AFTERNOON. WAVES
BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...WEST GALES TO 40 KNOTS BECOMING NORTHWEST GALES
TO 35 KNOTS AFTER MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 6 TO 9 FEET...THEN SUBSIDING TO 4 TO
7 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BACKING SOUTHWEST. A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.SATURDAY...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS. A CHANCE OF SNOW SHOWERS. WAVES BUILDING TO 3 TO
5 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ265-100500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
359 PM EST MON JAN 9 2017

...GALE WARNING IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.LATE THIS AFTERNOON...SOUTH WINDS 10 TO 20 KNOTS. A SLIGHT
CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW AFTER MIDNIGHT. WAVES BUILDING TO
3 TO 6 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. SNOW. WAVES SUBSIDING TO 1 TO 3 FEET...
THEN BUILDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST GALES TO 40 KNOTS. FREEZING SPRAY. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 9 TO 12 FEET...THEN SUBSIDING
TO 4 TO 7 FEET.
.WEDNESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS VEERING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO
3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE EVENING...THEN A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO CALM TO
2 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 2 TO 4 FEET.
.THURSDAY NIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. SNOW SHOWERS LIKELY. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ266-100500-
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-
359 PM EST MON JAN 9 2017

...GALE WARNING IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.LATE THIS AFTERNOON...SOUTH WINDS 5 TO 15 KNOTS. A SLIGHT CHANCE
OF SNOW SHOWERS. WAVES 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS. SNOW LIKELY. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 4 TO 7 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS. SNOW. WAVES SUBSIDING TO
2 TO 4 FEET.
.TUESDAY NIGHT...WEST GALES TO 40 KNOTS. SNOW SHOWERS LIKELY IN
THE EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 12 TO 17 FEET...
THEN SUBSIDING TO 10 TO 14 FEET.
.WEDNESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS INCREASING TO 20 TO
30 KNOTS IN THE AFTERNOON. FREEZING SPRAY. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET...THEN BUILDING TO 4 TO
7 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING NORTH
10 TO 20 KNOTS AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE
EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.THURSDAY...NORTH WINDS 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 3 TO 5 FEET.
.THURSDAY NIGHT...WEST GALES TO 35 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY. WAVES
BUILDING TO 7 TO 11 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. HEAVY FREEZING SPRAY. SNOW SHOWERS LIKELY...THEN A
CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN
BUILDING TO 2 TO 4 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ267-100500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
359 PM EST MON JAN 9 2017

...GALE WARNING IN EFFECT FROM TUESDAY EVENING THROUGH WEDNESDAY
MORNING...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. A CHANCE
OF SNOW SHOWERS. WAVES 2 TO 4 FEET SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...SOUTH WINDS 15 TO 25 KNOTS BECOMING SOUTHEAST 20 TO
30 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW IN THE EVENING...THEN
SNOW LIKELY AFTER MIDNIGHT. WAVES BUILDING TO 3 TO 6 FEET.
.TUESDAY...SOUTHEAST WINDS 20 TO 30 KNOTS BECOMING SOUTH 15 TO
25 KNOTS IN THE AFTERNOON. SNOW. WAVES BUILDING TO 4 TO 7 FEET...
THEN SUBSIDING TO 2 TO 4 FEET.
.TUESDAY NIGHT...WEST GALES TO 40 KNOTS. SNOW SHOWERS LIKELY IN
THE EVENING...THEN A CHANCE OF SNOW SHOWERS AFTER MIDNIGHT.
FREEZING SPRAY AFTER MIDNIGHT. WAVES BUILDING TO 15 TO 20 FEET...
THEN SUBSIDING TO 10 TO 14 FEET.
.WEDNESDAY...SOUTHWEST WINDS 20 TO 30 KNOTS BACKING SOUTH IN THE
AFTERNOON. FREEZING SPRAY IN THE MORNING. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO 3 TO 6 FEET...THEN BUILDING TO 4 TO
7 FEET.
.WEDNESDAY NIGHT...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH
AFTER MIDNIGHT. SNOW SHOWERS LIKELY IN THE EVENING...THEN A
CHANCE OF SNOW SHOWERS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO
3 FEET.
.THURSDAY...NORTHEAST WINDS 10 TO 20 KNOTS BACKING WEST IN THE
AFTERNOON. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO CALM TO
2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.THURSDAY NIGHT...WEST WINDS 20 TO 30 KNOTS BECOMING NORTHWEST
GALES TO 35 KNOTS AFTER MIDNIGHT. FREEZING SPRAY. SNOW SHOWERS
LIKELY. WAVES BUILDING TO 9 TO 12 FEET...THEN SUBSIDING TO 7 TO
10 FEET.
.FRIDAY...NORTHWEST WINDS 15 TO 25 KNOTS BECOMING SOUTHWEST 10 TO
20 KNOTS. FREEZING SPRAY. SNOW SHOWERS LIKELY...THEN A CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING
TO 1 TO 3 FEET.
.SATURDAY...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO
2 TO 4 FEET...THEN SUBSIDING TO CALM TO 2 FEET.

$$

LSZ261-100500-
MAFOR 0922/
SUPERIOR WEST...GALE WARNING IN EFFECT...11320 12327 11420 12410
11517 11637. CHANCE OF SNOW SHOWERS EARLY THIS EVENING THROUGH LATE
TONIGHT. WAVES 1 TO 4 FEET.

SUPERIOR NORTH CENTRAL 11410 11330 12437 11430 11420 11417 11527.
CHANCE OF SNOW EARLY THIS EVENING THROUGH TUESDAY MORNING. WAVES 1
TO 6 FEET.

SUPERIOR SOUTH CENTRAL 11420 11430 12437 11430 12427 11517.
CHANCE OF SNOW EARLY THIS EVENING THROUGH MID TUESDAY MORNING.
WAVES 1 TO 5 FEET.

SUPERIOR EAST 11510 11430 11437 11347 11340 12347 11437. CHANCE
OF SNOW THIS EVENING THROUGH MID TUESDAY MORNING. WAVES 2 TO 7 FEET.


$$

JS



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