Little Ausable River at Lucan Crossing
Water level and flow at gauge 02FF013, Ontario. The flow is below normal for October (10% of the median). In the last 24 hours it has been falling.
Latest reading Oct 25, 9 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 19 years of monthly averages): 0.19 m³/s6.69 cfs – 2.46 m³/s86.7 cfs, median 0.70 m³/s24.9 cfs. Right now it is at 10% of the median.
December 28, 2008 · approved records 2006–2024 (HYDAT). Right now the flow is 0% 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 18 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
Sunny. Becoming a mix of sun and cloud this afternoon. Fog patches dissipating this morning. High 19. UV index 4 or moderate.
A few clouds. Fog patches developing overnight. Low 7.
Mainly cloudy. Fog patches dissipating in the morning. High 16. UV index 4 or moderate.
Cloudy. Low plus 2.
Forecast for London (27 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Parkhill CreekAbove Parkhill Reservoir · 15 km | 11.00 m36.09 ft | Very high |
| Fish CreekProspect Hill · 18 km | 3.23 m10.61 ft | Normal |
| Ausable RiverExeter · 21 km | 3.31 m10.86 ft | Below normal |
| Ausable RiverSpringbank · 21 km | 1.64 m5.37 ft | Normal |
| Medway RiverLondon · 23 km | 3.53 m11.59 ft | Normal |
| South Parkhill CreekParkhill · 23 km | 1.79 m5.87 ft | Normal |
About this gauge
Station: 02FF013 · Little Ausable River Near Lucan Crossing
Location: 43.1806, -81.4477 · 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 Little Ausable River at Lucan Crossing today?
The latest reading (Oct 25, 9 AM, local standard time) is 2.45 m (8.02 ft) with a flow of 0.07 m³/s (2.47 cfs).
Is the Little Ausable River at Lucan Crossing high right now?
The flow is below normal for October (10% of the median).
Is the Little Ausable River rising or falling?
In the last 24 hours it has been falling.
What is the highest flow ever recorded on the Little Ausable River at Lucan Crossing?
104 m³/s (3,673 cfs) on December 28, 2008, the highest instantaneous flow in the approved records of the Water Survey of Canada (2006–2024). Events after 2024 are not yet in the approved archive.
Where does this data come from?
Gauge 02FF013 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.