Great Lakes Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | 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 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 230908
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
408 AM EST FRI JAN 23 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...AS A 30.4 INCH HIGH PRESSURE OVER THE MID ATLANTIC
STATES DRIFTS OFF THE EAST COAST TODAY...A 29.4 INCH LOW PRESSURE
CENTERED OVER FAR NORTHWEST ONTARIO WILL MOVE EAST TO NEAR JAMES BAY.
THIS LOW WILL DRIFT INTO NORTHERN QUEBEC ON SATURDAY...DRAGGING A LOW
PRESSURE TROUGH AVERAGING 29.7 INCHES ACROSS THE UPPER GREAT LAKES. A
30.1 INCH HIGH PRESSURE WILL FOLLOW INTO FAR NORTHWEST QUEBEC THROUGH
SATURDAY NIGHT WHILE A 29.5 INCH LOW PRESSURE SYSTEM OVER
SASKATCHEWAN ON SATURDAY SLIDES SOUTHEAST AND INTO WISCONSIN ON
SUNDAY MORNING. EXPECT THIS LOW TO CONTINUE TO THE
SOUTHEAST...REACHING THE MID ATLANTIC STATES ON MONDAY MORNING.
MEANWHILE...THE HIGH OVER NORTHWEST ONTARIO WILL BUILD SLOWLY TO THE
EAST AND INTO QUEBEC ON MONDAY NIGHT AND TUESDAY. A LOW PRESSURE
TROUGH AVERAGING 30.0 INCHES WILL DRIFT EAST ACROSS ONTARIO ON
TUESDAY.

LSZ162-231715-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
408 AM EST FRI JAN 23 2015

...GALE WARNING IN EFFECT UNTIL NOON EST /11 AM CST/ TODAY...

.EARLY THIS MORNING...SOUTHWEST GALES TO 40 KNOTS. A CHANCE OF
RAIN...POSSIBLY MIXED WITH FREEZING RAIN...SNOW AND SLEET. WAVES
7 TO 10 FEET.
.TODAY...SOUTHWEST GALES TO 35 KNOTS BECOMING WEST 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN...SNOW...SLEET AND
DRIZZLE IN THE MORNING. WAVES SUBSIDING TO 1 TO 3 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS BECOMING EAST 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 3 TO
5 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY NIGHT...EAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING TO
CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. WAVES
CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.

$$

LSZ263-231715-
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-
408 AM EST FRI JAN 23 2015

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...SOUTHWEST GALES TO 45 KNOTS. A CHANCE OF
SNOW...POSSIBLY MIXED WITH RAIN...FREEZING RAIN AND SLEET. WAVES
8 TO 11 FEET BUILDING TO 9 TO 12 FEET.
.TODAY...SOUTHWEST GALES TO 35 KNOTS BECOMING WEST 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN...SNOW AND SLEET IN THE
MORNING. PATCHY DRIZZLE IN THE AFTERNOON. WAVES SUBSIDING TO 3 TO 6
FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS. ISOLATED SNOW SHOWERS AND
PATCHY DRIZZLE. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
BUILDING TO 3 TO 5 FEET...THEN SUBSIDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...EAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW.
WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS BECOMING NORTHEAST 10 TO
20 KNOTS IN THE AFTERNOON. A CHANCE OF SNOW. WAVES SUBSIDING TO
1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 5 TO 15 KNOTS INCREASING TO 10 TO 20 KNOTS.
WAVES BUILDING TO 1 TO 3 FEET.

$$

LSZ264-231715-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
408 AM EST FRI JAN 23 2015

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...SOUTHWEST GALES TO 45 KNOTS. A CHANCE OF
SNOW...POSSIBLY MIXED WITH RAIN...FREEZING RAIN AND SLEET. WAVES
8 TO 12 FEET.
.TODAY...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS IN
THE AFTERNOON. A CHANCE OF SNOW...POSSIBLY MIXED WITH RAIN AND
SLEET IN THE MORNING...THEN PATCHY DRIZZLE IN THE AFTERNOON.
WAVES BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO 3 TO 6 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS AND PATCHY
DRIZZLE. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES SUBSIDING
TO 2 TO 4 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A SLIGHT CHANCE
OF SNOW. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS IN THE AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-231715-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
408 AM EST FRI JAN 23 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS...WITH A FEW
GALE FORCE GUSTS TO 35 KNOTS. A CHANCE OF SNOW...POSSIBLY MIXED WITH
RAIN...FREEZING RAIN AND SLEET. WAVES 3 TO 6 FEET.
.TODAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF RAIN AND SLEET...POSSIBLY
MIXED WITH FREEZING RAIN IN THE MORNING. A CHANCE OF SNOW. PATCHY
DRIZZLE IN THE AFTERNOON. WAVES SUBSIDING TO 2 TO 4 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. ISOLATED SNOW SHOWERS...PATCHY DRIZZLE AND FREEZING
DRIZZLE. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 3 TO 6 FEET...THEN SUBSIDING TO 2 TO
4 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM
TO 2 FEET.
.MONDAY...SOUTH WINDS 10 TO 20 KNOTS. WAVES CALM TO 2 FEET.
.TUESDAY...WEST WINDS 10 TO 20 KNOTS. WAVES BUILDING TO 1 TO
3 FEET.

$$

LSZ266-231715-
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-
408 AM EST FRI JAN 23 2015

...GALE WARNING IN EFFECT UNTIL NOON EST TODAY...

.EARLY THIS MORNING...SOUTHWEST GALES TO 40 KNOTS. A CHANCE OF
SNOW...POSSIBLY MIXED WITH RAIN...FREEZING RAIN AND SLEET. WAVES
8 TO 12 FEET.
.TODAY...SOUTHWEST GALES TO 35 KNOTS BECOMING WEST 15 TO 25 KNOTS
IN THE AFTERNOON. SNOW LIKELY...POSSIBLY MIXED WITH RAIN...
FREEZING RAIN AND SLEET IN THE MORNING...THEN A CHANCE OF SNOW
AND PATCHY DRIZZLE IN THE AFTERNOON. WAVES BUILDING TO 10 TO
14 FEET...THEN SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...WEST WINDS 10 TO 20 KNOTS BECOMING NORTHWEST 15 TO
25 KNOTS AFTER MIDNIGHT. ISOLATED SNOW SHOWERS AND PATCHY
DRIZZLE. PATCHY FREEZING DRIZZLE AFTER MIDNIGHT. WAVES SUBSIDING
TO 3 TO 5 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES BUILDING TO 4 TO 7 FEET...THEN SUBSIDING TO 3 TO
5 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW. WAVES
SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. WAVES SUBSIDING TO CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS BECOMING SOUTH 15 TO
25 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 15 TO 25 KNOTS VEERING WEST. A CHANCE
OF SNOW. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING TO 1 TO
3 FEET.

$$

LSZ267-231715-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
408 AM EST FRI JAN 23 2015

.EARLY THIS MORNING...SOUTHWEST WINDS 20 TO 30 KNOTS...WITH A FEW
GALE FORCE GUSTS TO 35 KNOTS. FREEZING SPRAY. A CHANCE OF SNOW.
WAVES 4 TO 8 FEET.
.TODAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25
KNOTS IN THE AFTERNOON. A FEW GALE FORCE GUSTS TO 35 KNOTS IN THE
MORNING. FREEZING SPRAY IN THE MORNING. SNOW LIKELY IN THE
MORNING...THEN A CHANCE OF SNOW...AREAS OF DRIZZLE AND FREEZING
DRIZZLE IN THE AFTERNOON. WAVES SUBSIDING TO 4 TO 7 FEET.
.TONIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. SCATTERED SNOW SHOWERS...PATCHY DRIZZLE AND FREEZING
DRIZZLE. WAVES SUBSIDING TO 3 TO 5 FEET.
.SATURDAY...NORTH WINDS 20 TO 30 KNOTS. A SLIGHT CHANCE OF SNOW
SHOWERS. WAVES 3 TO 5 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW IN THE EVENING. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. WAVES CALM TO 2 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS VEERING EAST AFTER
MIDNIGHT. WAVES BUILDING TO 1 TO 3 FEET.
.MONDAY...SOUTHEAST WINDS 10 TO 20 KNOTS VEERING SOUTH. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS BECOMING WEST 10 TO
20 KNOTS. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.

$$

LSZ261-231715-
MAFOR 2310/
SUPERIOR WEST...GALE WARNING IN EFFECT...12550 11640 19650 11630
13620 11720. CHANCE OF RAIN...SLIGHT CHANCE OF LIGHT FREEZING RAIN...
SNOW AND LIGHT SLEET EARLY THIS MORNING...THEN CHANCE OF RAIN...
SLIGHT CHANCE OF SNOW AND LIGHT SLEET THIS MORNING. WAVES 6 TO 10
FEET SUBSIDING TO 3 TO 6 FEET TODAY. WAVES 2 TO 4 FEET SUBSIDING TO 1
TO 3 FEET TONIGHT.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...11560 12650
11640 11630 12620 11730. CHANCE OF SNOW...SLIGHT CHANCE OF
RAIN...LIGHT SLEET AND LIGHT FREEZING RAIN THIS MORNING. PATCHY
DRIZZLE THIS AFTERNOON. WAVES 8 TO 12 FEET SUBSIDING TO 6 TO 9 FEET
THIS AFTERNOON. WAVES 3 TO 6 FEET SUBSIDING TO 2 TO 4 FEET TONIGHT.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...12550 11650
11640 12630 11620 11730. CHANCE OF SNOW EARLY THIS MORNING...THEN
CHANCE OF SNOW...SLIGHT CHANCE OF RAIN...LIGHT FREEZING RAIN AND
LIGHT SLEET THIS MORNING. CHANCE OF LIGHT SLEET WITH POSSIBLE
SNOW AND DRIZZLE THIS AFTERNOON. PATCHY DRIZZLE AND LIGHT
FREEZING DRIZZLE AFTER MIDNIGHT TONIGHT. WAVES 3 TO 6 FEET TODAY.
WAVES 2 TO 4 FEET TONIGHT.

SUPERIOR EAST...GALE WARNING IN EFFECT...12547 19557 11547 12635
11620 11720 11730. CHANCE OF SNOW EARLY THIS MORNING. AREAS OF
DRIZZLE AND FREEZING DRIZZLE THIS AFTERNOON AND TONIGHT. WAVES 6 TO
9 FEET TODAY. WAVES 5 TO 7 FEET SUBSIDING TO 2 TO 4 FEET TONIGHT.

$$

SRF



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