Asheweig River at Straight Lake
Water level and flow at gauge 04DB001, Ontario. The flow is well below normal for October (16% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 7 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 54 years of monthly averages): 59.9 m³/s2,115 cfs – 115 m³/s4,070 cfs, median 83.4 m³/s2,943 cfs. Right now it is at 16% of the median.
May 21, 1985 · approved records 1969–2024 (HYDAT). Right now the flow is 2% 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 53 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
Cloudy. 40 percent chance of flurries or rain showers late this morning and this afternoon. Wind west 60 km/h gusting to 90. Temperature falling to plus 1 this afternoon.
Cloudy with 30 percent chance of flurries. Wind northwest 30 km/h gusting to 50. Low minus 6. Wind chill minus 14 overnight.
Clearing late in the morning. Wind northwest 20 km/h. High plus 1. Wind chill minus 12 in the morning. UV index 1 or low.
Clear. Low minus 9.
Forecast for Big Trout Lake (48 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Winisk RiverBelow Asheweig River Tributary · 100 km | 21.79 m71.50 ft | Below normal |
| Muketei RiverOtoskwin-Attawapiskat River Provincial Park · 148 km | 12.27 m40.27 ft | Very low |
| Shamattawa RiverOutlet of Shamattawa Lake · 164 km | 27.33 m89.66 ft | Normal |
| Pineimuta RiverEyes Lake · 165 km | 12.40 m40.68 ft | Very low |
| Attawapiskat RiverBelow Attawapiskat Lake · 191 km | 28.18 m92.44 ft | Very low |
| Pipestone RiverKarl Lake · 195 km | 12.48 m40.95 ft | Very low |
About this gauge
Station: 04DB001 · Asheweig River at Straight Lake
Location: 53.7118, -87.9534 · Ontario
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 Asheweig River at Straight Lake today?
The latest reading (Oct 25, 7 AM, local standard time) is 13.19 m (43.28 ft) with a flow of 13.3 m³/s (470 cfs).
Is the Asheweig River at Straight Lake high right now?
The flow is well below normal for October (16% of the median).
Is the Asheweig River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Asheweig River at Straight Lake?
564 m³/s (19,917 cfs) on May 21, 1985, the highest instantaneous flow in the approved records of the Water Survey of Canada (1969–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 04DB001 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.