Numedalslågen

Salmon river in Vestfold

128.6 m³/s

Water flow

271 cm

Water level

7.8 °C

Water temperature

Last measured 02.11.2026 at 00:00 · NVE station 15.61.0

Bite index for Numedalslågen today: 3 of 4. See today's best fishing times in Speyder

Based on sun, moon and tides — a traditional heuristic, not science.

Weather at the river now: 7.8 °C, 6 m/s from N, 0.0 mm precipitation next hour.

Weather data from MET Norway (river mouth).

Last 7 days

Water flow has dropped about 60% over the past week.

Date	Water flow (m³/s)	Water level (cm)	Water temperature (°C)
October 25	369.6	447	8.8
October 26	502.2	513	8.5
October 27	389.5	458	8.2
October 28	312.0	413	8.3
October 29	246.8	368	8.0
October 30	184.9	318	7.7
October 31	146.8	288	7.5

June 1 – August 24

Fishing regulations for Numedalslågen — season dates can be adjusted mid-season; always check the current rules.

In 2025, 1,038 salmon were reported caught in Numedalslågen, with an average weight of 4.2 kg.

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