Sylvia Grinnell River at Iqaluit
Water level and flow at gauge 10UH001, Nunavut. The flow is above normal for October (173% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 5 AM local standard time (2 hours ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 34 years of monthly averages): 12.6 m³/s445 cfs – 25.7 m³/s908 cfs, median 16.9 m³/s597 cfs. Right now it is at 173% of the median.
July 4, 1989 · approved records 1973–2024 (HYDAT). Right now the flow is 4% of that record.
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 12 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
A mix of sun and cloud. Becoming cloudy near noon then snow and blowing snow. Amount 5 cm. Wind becoming east 30 km/h gusting to 50 this morning. High minus 2. Wind chill near minus 11.
Snow and blowing snow. Amount 2 cm. Wind east 30 km/h gusting to 50 becoming northeast 50 gusting to 80 near midnight. Temperature rising to zero by morning. Wind chill minus 10 this evening.
Mainly cloudy with 60 percent chance of flurries. Wind northeast 50 km/h gusting to 80 becoming north 30 gusting to 50 near noon. Temperature falling to minus 2 in the afternoon. Wind chill minus 9 in the afternoon.
Cloudy. Low minus 7.
Forecast for Iqaluit (3 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Inflow To Lake GeraldineIqaluit · 3 km | 9.73 m31.93 ft | Normal |
| Lake GeraldineIqaluit · 4 km | 111.30 m365.15 ft | Very high |
| Apex River 2kmAbove Bridge To Nowhere · 5 km | 9.34 m30.65 ft | No normal yet |
| Apex River 1kmAbove Bridge To Nowhere · 5 km | 6.49 m21.29 ft | No normal yet |
| Apex RiverApex · 7 km | 7.76 m25.44 ft | Very high |
| Reid BrookOutlet of Reid Pond · 895 km | 1.64 m5.38 ft | Below normal |
About this gauge
Station: 10UH001 · Sylvia Grinnell River Near Iqaluit
Location: 63.7664, -68.5806 · Nunavut
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Sylvia Grinnell River at Iqaluit today?
The latest reading (Oct 25, 5 AM, local standard time) is 3.26 m (10.69 ft) with a flow of 29.3 m³/s (1,035 cfs).
Is the Sylvia Grinnell River at Iqaluit high right now?
The flow is above normal for October (173% of the median).
Is the Sylvia Grinnell River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Sylvia Grinnell River at Iqaluit?
652 m³/s (23,025 cfs) on July 4, 1989, the highest instantaneous flow in the approved records of the Water Survey of Canada (1973–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 10UH001 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.