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Great Slave Lake at Outlet of Barnston River water level

Lake, Great Slave Lake, Northwest Territories, Canada

Directions

Right now

Latest reading

Water level

97.14m Down 0.05 m over the last 24 hours

80 90 100 110
Water level: 97.14 m. Latest reading.

History

History
97.1597.2097.25mOct 9Oct 11Oct 13Oct 15Oct 1697.1597.2097.25mOct 9Oct 13Oct 16
97.1597.2097.2597.30mSep 17Sep 24Oct 1Oct 9Oct 1697.1597.2097.2597.30mSep 17Oct 1Oct 16
96.696.897.097.2mJanMarMayJulSepNov202696.696.897.097.2mJanAprJulOct2026

202420252026

Water level

What this means

Great Slave Lake at Outlet of Barnston River reads 97.14 m as of Oct 16, 2026, 03:30 PM MDT. There is no published reference for this lake yet, so we can't say whether that is high or low for the season.

It has dropped 0.05 m over the past 24 hours. In the last month it has stayed between 97.14 m and 97.29 m.

Over the past seven days the change adds up to −0.04 m.

The agency publishes no normal range for this gauge yet, so we show the trend only. How to read levels

Key numbers

Lowest and highest in 30 days
97.14 m – 97.29 m

On the water at Great Slave Lake at Outlet of Barnston River

Watch the chart rather than the single number; it shows whether the shoreline is moving.

Wear a life jacket on the water. Most boating deaths involve people who were not wearing one.

Weather at the gauge

The forecast is not available right now.

Sunrise 08:11 AM Sunset 06:03 PM Daylight 9h 52m First quarter 34 %

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Barnston River near the MouthRiver gauge, Barnston River 7.47 m Normal −0.02 m 0.2 km
Waldron River near the MouthRiver gauge, Waldron River 2.11 m Normal 0.00 m 20 km
Hoarfrost River near the MouthRiver gauge, Hoarfrost River 7.84 m Normal 0.00 m 48 km

Questions and answers

How often is Great Slave Lake at Outlet of Barnston River updated?

Several times an hour. New readings from Environment and Climate Change Canada – Water Survey of Canada appear here as they arrive. Latest: Oct 16, 2026, 03:30 PM MDT.

Is Great Slave Lake at Outlet of Barnston River rising or falling?

It is falling, by 0.05 m over the past 24 hours.

What is the water level of Great Slave Lake at Outlet of Barnston River today?

On Oct 16, 2026, 03:30 PM MDT, the water level was 97.14 m. Down 0.05 m over the last 24 hours.

Is Great Slave Lake at Outlet of Barnston River rising or falling?

Down 0.05 m over the last 24 hours. Down 0.04 m over the last 7 days.

Is the level of Great Slave Lake at Outlet of Barnston River normal?

Latest reading. The agency publishes no normal range for this gauge yet, so we show the trend only.

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.

Where does this data come from?

The values come directly from Environment and Climate Change Canada – Water Survey of Canada, the official operator of this gauge, and are published under the Open Government Licence – Canada. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
Environment and Climate Change Canada – Water Survey of Canada
Station code
eccc:07SC007 (Agency page)
Coordinates
62.94059, -110.17942 (WGS84)
Vertical datum
station datum (assumed datum)
Update interval
every hour
Licence
Open Government Licence – Canada. Contains information licensed under the Open Government Licence – Canada

Published series

ParameterLast valueTime (UTC)Quality
Water level stage 97.14 m 2026-10-16 21:30 Provisional

Download

Embed this gauge

Add a live card for this gauge to your website. It updates on its own and links back here.

How to cite

Environment and Climate Change Canada – Water Survey of Canada: Great Slave Lake at Outlet of Barnston River (eccc:07SC007). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/canada/northwest-territories/great-slave-lake-at-outlet-of-barnston-river

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.