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 222100
GLFLS

OPEN LAKE FORECAST FOR LAKE SUPERIOR
NATIONAL WEATHER SERVICE MARQUETTE MI
400 PM EST THU JAN 22 2015

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON LAKE SUPERIOR

.SYNOPSIS...30.4 INCH HIGH PRESSURE OVER THE OHIO VALLEY WILL MOVE
OFF THE EASTERN SEABOARD THROUGH FRIDAY. 29.4 INCH LOW PRESSURE
ACROSS NORTHERN MANITOBA LATE THIS AFTERNOON WILL SWING ACROSS
NORTHERN ONTARIO AND INTO QUEBEC THROUGH FRIDAY NIGHT...WHILE
DRAGGING A TROUGH AVERAGING 29.7 INCHES ACROSS LAKE SUPERIOR FRIDAY
AFTERNOON. LOOK FOR A 30.1 INCH HIGH PRESSURE SYSTEM OVER NORTH
CENTRAL CANADA FRIDAY NIGHT TO PUSH ACROSS ONTARIO SATURDAY NIGHT AND
SUNDAY...BEFORE EXITING INTO QUEBEC SUNDAY NIGHT. AT THE SAME TIME A
29.4 INCH LOW PRESSURE SYSTEM ACROSS NORTHERN SASKATCHEWAN SATURDAY
WILL SINK SOUTHEAST ACROSS MINNESOTA AND WISCONSIN SUNDAY MORNING AT
29.5 INCHES...AND THE OHIO VALLEY BY LATE SUNDAY AFTERNOON. THIS WILL
BE FOLLOWED BY A 30.3 INCH HIGH PRESSURE SYSTEM SETTLING INTO ONTARIO
AND LAKE SUPERIOR MONDAY. THE HIGH WILL SHIFT TO THE LOWER GREAT
LAKES TUESDAY AS 29.7 INCH LOW PRESSURE DEVELOPS OVER ALBERTA.

LSZ162-230500-
LAKE SUPERIOR WEST OF A LINE FROM SAXON HARBOR WI TO GRAND
PORTAGE MN BEYOND 5NM-
400 PM EST THU JAN 22 2015

...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES 4 TO
8 FEET.
.TONIGHT...SOUTHWEST GALES TO 35 KNOTS. FREEZING SPRAY IN THE
EVENING. A SLIGHT CHANCE OF SNOW. A SLIGHT CHANCE OF FREEZING
RAIN AFTER MIDNIGHT. WAVES BUILDING TO 7 TO 11 FEET.
.FRIDAY...SOUTHWEST WINDS 20 TO 30 KNOTS BECOMING WEST 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF RAIN OR FREEZING RAIN IN THE
MORNING. WAVES SUBSIDING TO 2 TO 4 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS IN THE EVENING. WAVES SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...WEST WINDS 10 TO 20 KNOTS BECOMING NORTH 5 TO
15 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
CALM TO 2 FEET.
.SATURDAY NIGHT...EAST WINDS 5 TO 15 KNOTS INCREASING TO 15 TO
25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO
4 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...NORTHEAST WINDS 10 TO 20 KNOTS DIMINISHING TO
5 TO 15 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTH WINDS 5 TO 15 KNOTS VEERING SOUTHWEST. WAVES
BUILDING TO 1 TO 3 FEET...THEN SUBSIDING TO CALM TO 2 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
CALM TO 2 FEET.

$$

LSZ263-230500-
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-
400 PM EST THU JAN 22 2015

...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

.LATE THIS AFTERNOON...SOUTHWEST GALES TO 35 KNOTS. WAVES 4 TO 8
FEET.
.TONIGHT...SOUTHWEST GALES TO 40 KNOTS. FREEZING SPRAY IN THE
EVENING. A SLIGHT CHANCE OF SNOW. A CHANCE OF FREEZING RAIN AFTER
MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET...THEN SUBSIDING TO
9 TO 12 FEET.
.FRIDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 15 TO 25 KNOTS BY
THE AFTERNOON. A CHANCE OF FREEZING RAIN OR RAIN...AND SNOW IN THE
MORNING. A SLIGHT CHANCE OF DRIZZLE OR FREEZING DRIZZLE IN THE
AFTERNOON. WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS. A SLIGHT CHANCE OF
SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET.
.SATURDAY...NORTHWEST WINDS 10 TO 20 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS BECOMING EAST
15 TO 25 KNOTS AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING
TO 2 TO 4 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...NORTHEAST WINDS 10 TO 20 KNOTS. A CHANCE OF SNOW
SHOWERS. WAVES SUBSIDING TO CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS VEERING SOUTH. WAVES
BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.

$$

LSZ264-230500-
LAKE SUPERIOR FROM UPPER ENTRANCE TO PORTAGE CANAL TO MANITOU
ISLAND MI 5NM OFF SHORE TO THE US/CANADIAN BORDER-
400 PM EST THU JAN 22 2015

...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 20 TO 30 KNOTS INCREASING TO
GALES TO 35 KNOTS. WAVES 4 TO 8 FEET.
.TONIGHT...SOUTHWEST GALES TO 40 KNOTS. FREEZING SPRAY IN THE
EVENING. A CHANCE OF SNOW. A CHANCE OF FREEZING RAIN AFTER
MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET.
.FRIDAY...WEST GALES TO 35 KNOTS DIMINISHING TO 20 TO 30 KNOTS BY THE
AFTERNOON. A CHANCE OF SNOW...AND FREEZING RAIN OR RAIN. WAVES
SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET.
.SATURDAY...NORTH WINDS 10 TO 20 KNOTS INCREASING TO 15 TO
25 KNOTS IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
1 TO 3 FEET.
.SATURDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS. A CHANCE OF
SNOW. WAVES 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS BACKING NORTHEAST IN THE
AFTERNOON. A CHANCE OF SNOW. WAVES BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES SUBSIDING
TO CALM TO 2 FEET.
.MONDAY...SOUTHEAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO
20 KNOTS. WAVES BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTHWEST WINDS 10 TO 20 KNOTS VEERING WEST. WAVES
BUILDING TO 2 TO 4 FEET.

$$

LSZ265-230500-
LAKE SUPERIOR WEST OF LINE FROM MANITOU ISLAND TO MARQUETTE MI
BEYOND 5NM FROM SHORE-
400 PM EST THU JAN 22 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 10 TO 20 KNOTS. WAVES CALM
TO 2 FEET BUILDING TO 1 TO 3 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO
35 KNOTS OVERNIGHT. A SLIGHT CHANCE OF FREEZING RAIN AND SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 3 TO 5 FEET.
.FRIDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A SLIGHT CHANCE OF SNOW. A CHANCE OF FREEZING RAIN
OR RAIN. WAVES SUBSIDING TO 1 TO 3 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS DIMINISHING TO 10 TO
20 KNOTS AFTER MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES
SUBSIDING TO CALM TO 2 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES CALM TO 2 FEET.
.SATURDAY NIGHT...NORTH WINDS 10 TO 20 KNOTS VEERING NORTHEAST
AFTER MIDNIGHT. A CHANCE OF SNOW. WAVES BUILDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS. A CHANCE OF SNOW. WAVES
BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING 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 10 TO 20 KNOTS BECOMING WEST 15 TO
25 KNOTS. WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO
1 TO 3 FEET.

$$

LSZ266-230500-
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-
400 PM EST THU JAN 22 2015

...GALE WARNING IN EFFECT THROUGH FRIDAY MORNING...

.LATE THIS AFTERNOON...SOUTHWEST WINDS 20 TO 30 KNOTS. WAVES 3 TO
6 FEET BUILDING TO 4 TO 7 FEET.
.TONIGHT...SOUTHWEST GALES TO 35 KNOTS. A CHANCE OF SNOW AFTER
MIDNIGHT. WAVES BUILDING TO 10 TO 14 FEET.
.FRIDAY...WEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO 25 KNOTS
IN THE AFTERNOON. A CHANCE OF SNOW...AND RAIN OR FREEZING RAIN.
WAVES SUBSIDING TO 4 TO 7 FEET.
.FRIDAY NIGHT...WEST WINDS 15 TO 25 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
2 TO 4 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES 2 TO 4 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 15 TO 25 KNOTS. WAVES BUILDING TO 2 TO
4 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 15 TO 25 KNOTS DIMINISHING TO
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 2 TO 4 FEET.
.TUESDAY...SOUTH WINDS 15 TO 25 KNOTS VEERING SOUTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES SUBSIDING TO 1 TO 3 FEET...THEN BUILDING
TO 2 TO 4 FEET.

$$

LSZ267-230500-
LAKE SUPERIOR FROM GRAND MARAIS MI TO WHITEFISH POINT MI 5NM OFF
SHORE TO THE US/CANADIAN BORDER-
400 PM EST THU JAN 22 2015

.LATE THIS AFTERNOON...SOUTHWEST WINDS 15 TO 25 KNOTS. WAVES 1 TO
3 FEET.
.TONIGHT...SOUTHWEST WINDS 20 TO 30 KNOTS. A FEW GALE FORCE GUSTS TO
35 KNOTS OVERNIGHT. FREEZING SPRAY AFTER MIDNIGHT. A CHANCE OF SNOW
AFTER MIDNIGHT. WAVES BUILDING TO 6 TO 9 FEET.
.FRIDAY...SOUTHWEST WINDS 20 TO 30 KNOTS DIMINISHING TO 15 TO
25 KNOTS IN THE AFTERNOON. A CHANCE OF DRIZZLE...FREEZING DRIZZLE
AND SNOW. WAVES SUBSIDING TO 3 TO 6 FEET.
.FRIDAY NIGHT...WEST WINDS 10 TO 20 KNOTS VEERING NORTHWEST AFTER
MIDNIGHT. A CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO 2 TO
4 FEET.
.SATURDAY...NORTHWEST WINDS 15 TO 25 KNOTS VEERING NORTH IN THE
AFTERNOON. A SLIGHT CHANCE OF SNOW SHOWERS. WAVES SUBSIDING TO
1 TO 3 FEET...THEN BUILDING TO 2 TO 4 FEET.
.SATURDAY NIGHT...NORTH WINDS 15 TO 25 KNOTS BECOMING NORTHEAST
10 TO 20 KNOTS AFTER MIDNIGHT. WAVES SUBSIDING TO 1 TO 3 FEET.
.SUNDAY...EAST WINDS 10 TO 20 KNOTS. WAVES 1 TO 3 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS 10 TO 20 KNOTS. WAVES 1 TO
3 FEET.
.MONDAY...EAST WINDS 5 TO 15 KNOTS BECOMING SOUTH 10 TO 20 KNOTS.
WAVES SUBSIDING TO CALM TO 2 FEET...THEN BUILDING TO 1 TO 3 FEET.
.TUESDAY...SOUTH WINDS 10 TO 20 KNOTS VEERING SOUTHWEST. A CHANCE
OF SNOW SHOWERS. WAVES BUILDING TO 2 TO 4 FEET...THEN SUBSIDING
TO 1 TO 3 FEET.

$$

LSZ261-230500-
MAFOR 2222/
SUPERIOR WEST...GALE WARNING IN EFFECT...11550 12551 12550 11540
11640 11630. FREEZING SPRAY THIS EVENING. CHANCE OF LIGHT FREEZING
RAIN AND SLIGHT CHANCE OF SNOW OVERNIGHT AND FRIDAY AFTERNOON. WAVES
5 TO 10 FEET TONIGHT SUBSIDING TO 3 TO 6 FEET FRIDAY.

SUPERIOR NORTH CENTRAL...GALE WARNING IN EFFECT...13550 11557
12650 12640. CHANCE OF SNOW AND LIGHT FREEZING RAIN OVERNIGHT AND
FRIDAY AFTERNOON. WAVES 4 TO 7 FEET BUILDING TO 9 TO 13 FEET TONIGHT.
WAVES SUBSIDING TO 5 TO 8 FEET FRIDAY.

SUPERIOR SOUTH CENTRAL...GALE WARNING IN EFFECT...11530 12540
12550 12640 11630. CHANCE OF SNOW...SLIGHT CHANCE OF RAIN AND
LIGHT FREEZING RAIN EARLY FRIDAY AFTERNOON. WAVES 1 TO 2 FEET
BUILDING TO 3 TO 5 FEET TONIGHT. WAVES SUBSIDING TO 2 TO 4 FEET
FRIDAY.

SUPERIOR EAST...GALE WARNING IN EFFECT...12540 13550 11540 11547
11630. CHANCE OF SNOW OVERNIGHT AND EARLY FRIDAY AFTERNOON. WAVES 2
TO 3 FEET BUILDING TO 5 TO 9 FEET TONIGHT. WAVES 5 TO 9 FEET FRIDAY.

$$

KLUBER


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