Speyder
The salmon angler's best friend
Numedalslågen
Salmon river in Vestfold
42.2 m³/s
Water flow
154 cm
Water level
14.7 °C
Water temperature
Bite index for Numedalslågen today: 3 of 4. See today's best fishing times in Speyder
Weather at the river now: 13.6 °C, 1 m/s from N, 0.0 mm precipitation next hour.
Last 7 days
Water flow has been stable over the past week.
| Date | Water flow (m³/s) | Water level (cm) | Water temperature (°C) |
|---|---|---|---|
| September 10 | 46.1 | 162 | 15.8 |
| September 11 | 43.6 | 157 | 15.4 |
| September 12 | 43.2 | 156 | 15.4 |
| September 13 | 42.4 | 154 | 15.6 |
| September 14 | 39.6 | 148 | 15.1 |
| September 15 | 39.5 | 148 | 15.2 |
| September 16 | 42.4 | 154 | 15.2 |
Fishing season
June 1 – August 24
Fishing regulations for Numedalslågen — season dates can be adjusted mid-season; always check the current rules.
Catch in Numedalslågen
In 2025, 1,038 salmon were reported caught in Numedalslågen, with an average weight of 4.2 kg.