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SwedenThlewiaza River above Outlet Sealhole Lake water level
River gauge, Thlewiaza River, Nunavut, Canada
Right now
Normal for mid-October
Water level
- Flow
- 290 m³/s
History
What this means
The Thlewiaza River above Outlet Sealhole Lake is at 26.02 m, in the normal range for mid-October.
The median for mid-October is 25.85 m, based on 20 years of readings, so the water level is 0.17 m above typical.
It has barely moved over the past 24 hours. In the last month it has stayed between 26.00 m and 26.14 m.
Fall is often low-water season on rivers, until steadier rain returns.
Compared with 20 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 25.85 m0.17 m above the median for this date
- Normal for this date
- 25.52 m – 26.51 m8 years in 10 fall in this range (20 years of records)
- Lowest and highest in 30 days
- 26.00 m – 26.14 m
- Lowest and highest in 12 months
- 26.02 m – 26.12 m
On the river
Outside the spring freshet, most rivers settle into a gentler pattern, broken by storms.
Flood advisories come from the provincial river forecast centre.
Weather at the gauge
The forecast is not available right now.
Map
Questions and answers
What is a normal level for the Thlewiaza River above Outlet Sealhole Lake in mid-October?
The median for mid-October is 25.85 m. In 8 years out of 10 the reading falls between 25.52 m and 26.51 m, based on 20 years of records.
Is the river level the same as the depth of the water?
No. The reading is measured from a fixed zero mark at the gauge, so 26.02 m on the gauge does not mean the water is that deep.
What is the water level of Thlewiaza River above Outlet Sealhole Lake today?
On Oct 20, 2026, 02:15 AM CDT, the water level was 26.02 m. Steady over the last 24 hours.
Is Thlewiaza River above Outlet Sealhole Lake rising or falling?
Steady over the last 24 hours. Down 0.07 m over the last 7 days.
Is the level of Thlewiaza River above Outlet Sealhole Lake normal?
Normal for mid-October. Compared with 20 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.
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:06HB002(Agency page)- Coordinates
60.78653, -98.77694(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
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
| Water level | 26.02 m | 2026-10-20 07:15 | Provisional |
| Flow | 290 m³/s | 2026-10-20 07:15 | Provisional |
Download
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How to cite
Environment and Climate Change Canada – Water Survey of Canada: Thlewiaza River above Outlet Sealhole Lake (eccc:06HB002). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/canada/nunavut/thlewiaza-river-above-outlet-sealhole-lake
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