Old Lake CottageSouth Castor River
River · Ontario · near Ottawa
Today’s fishing score
74out of 100 · 2026-09-15 · Good
Computed from live weather, water temperature and the species documented here. Sign in to weight it by your own target species and distance.
Medium certaintyScore certainty breakdown
Every real factor behind this score, and whether we have real data for it or a conservative fallback.
This location
- Location verified by our team — missing
- Real, measured waterbody depth — missing
- Real waterbody surface area — present
- Complete weather data for this date — present
- Conditions (weather, pressure, moon, season)74 · 100% weight
What went into the conditions number
| Sub-factor | Score | Weight |
|---|---|---|
| Weather conditions | 85 | 0.25 |
| Barometric pressure | 51 | 0.2 |
| Moon phase | 58 | 0.1 |
| Season | 100 | 0.35 |
| Community activity | 50 | 0.1 |
These weights are the configured ones and are not normalised — they set the relative pull of each sub-factor, not a share of a hundred.
Your own preferences then move the result by ×1.15, within a maximum of ±15%.
Conditions on 2026-09-15
Weather
Night 8°C · Day 18°C
20 km/h wind · 1 mm rain · 76% cloud cover
Pressure rising, +5.5 hPa over 24 h
Forecast
How it has scored
- Good 70+
- Fair 45–69
- Slow under 45
All 8 days as a table
| Date | Score | Rating | Water temp |
|---|---|---|---|
| Sep 15 | 74 | Good | 17.7 °C |
| Sep 16 | 79 | Good | 17.6 °C |
| Sep 17 | 81 | Good | 17.5 °C |
| Sep 18 | 77 | Good | 17.7 °C |
| Sep 19 | 81 | Good | 17.2 °C |
| Sep 20 | 85 | Good | 16.5 °C |
| Sep 21 | 72 | Good | 15.4 °C |
| Sep 22 | 76 | Good | 15.0 °C |
Regulations
A real summary from official government data, not a legal source - always confirm current regulations before fishing.
View full regulations for this zone
Species documented here
| Species | Today |
|---|---|
| Smallmouth Bass | 87 |
| Brown Bullhead | 57 |
| Rock Bass | 57 |
8 more documented here
Techniques
- Jigging
- Casting
- Drift fishing
- Bottom bouncing