Duncan Lake near Yellowknife water level

Name: Duncan Lake near Yellowknife water level (Environment and Climate Change Canada – Water Survey of Canada)
Creator: Environment and Climate Change Canada – Water Survey of Canada
License: https://open.canada.ca/en/open-government-licence-canada

Lake, Duncan Lake, Northwest Territories, Canada

Directions

Normal for mid-October

Surface elevation

212.14m Steady over the last 24 hours

Measured Oct 20, 2026, 06:30 AM MDT (1 hour ago)

History

What this means

The water level at Duncan Lake near Yellowknife reads 212.14 m, about where it usually sits at this time of year.

The median for mid-October is 212.14 m, based on 11 years of readings, and the gauge is right on it. A year ago it stood at 212.14 m as well.

It has barely moved over the past 24 hours. The 30-day range is 212.13 m – 212.29 m.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

Compared with 11 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 212.14 m0.00 m below the median for this date
Normal for this date: 210.79 m – 212.73 m8 years in 10 fall in this range (11 years of records)
Same day last year: 212.14 m0.00 m
Lowest and highest in 30 days: 212.13 m – 212.29 m
Lowest and highest in 12 months: 212.08 m – 212.28 m

Boating and fishing at Duncan Lake near Yellowknife

A lake in its usual range is what most ramps, docks and swimming areas are built for.

Conditions at the shore change with the level, so check with the agency that runs the lake before a trip.

Weather at the gauge

Rain in the last 3 days: 4.4 mm.

20 Tue 3° -3° – Wind 20 km/h

21 Wed 7° 0° – Wind 20 km/h

22 Thu 1° -3° – Wind 11 km/h

23 Fri -1° -3° – Wind 11 km/h

24 Sat -1° -3° 0.3 mm Wind 6 km/h

25 Sun 1° -5° – Wind 15 km/h

26 Mon 0° -2° 1.1 mm Wind 14 km/h

Forecast: Open-Meteo

Sunrise 08:37 AM Sunset 06:06 PM Daylight 9 hr, 28 min First quarter 69%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Bluefish Lake near YellowknifeLake, Bluefish Lake	185.81 m	Normal	+0.03 m	18 km
Yellowknife River at Inlet to Prosperous LakeRiver gauge, Yellowknife River	152.72 m	Normal	+0.01 m	19 km
Prelude Lake near YellowknifeLake, Prelude Lake	169.05 m	Normal	±0	25 km
Prosperous Lake near McMeekan BayLake, Prosperous Lake	158.09 m	Low	±0	30 km
Baker Creek at Outlet of Lower Martin LakeRiver gauge, Baker Creek	28.95 m	Low	±0	38 km
Great Slave Lake at Yellowknife BayLake, Great Slave Lake	156.57 m	Normal	+0.06 m	44 km
Cameron River below Reid LakeRiver gauge, Cameron River	1.85 m	Normal	+0.01 m	44 km

Questions and answers

Is Duncan Lake near Yellowknife higher than last year?

It is about the same as on this day last year, when the reading was 212.14 m.

What is a normal level for Duncan Lake near Yellowknife in mid-October?

The median for mid-October is 212.14 m. In 8 years out of 10 the reading falls between 210.79 m and 212.73 m, based on 11 years of records.

Is Duncan Lake near Yellowknife really 212.14 m deep?

No. 212.14 m is the height of the water surface above sea level (or the agency's vertical datum), not the depth of the water.

What is the water level of Duncan Lake near Yellowknife today?

On Oct 20, 2026, 06:30 AM MDT, the surface elevation was 212.14 m. Steady over the last 24 hours.

Is Duncan Lake near Yellowknife rising or falling?

Steady over the last 24 hours. Down 0.05 m over the last 7 days.

Is the level of Duncan Lake near Yellowknife normal?

Normal for mid-October. Compared with 11 years of daily readings for this time of year.

How often is this data updated?

Environment and Climate Change Canada – Water Survey of Canada publishes a new reading every hour. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Environment and Climate Change Canada – Water Survey of Canada
Station code: eccc:07SB012 (Agency page)
Coordinates: 62.80781, -114.03336 (WGS84)
Vertical datum: MIRAMAR CON MINE DATUM
Update interval: every hour
Licence: Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

Parameter	Last value	Time (UTC)	Quality
Surface elevation	212.14 m	2026-10-20 12:30	Provisional

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How to cite

Environment and Climate Change Canada – Water Survey of Canada: Duncan Lake near Yellowknife (eccc:07SB012). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/northwest-territories/duncan-lake-near-yellowknife

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer