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SwedenSt-Prex water level
Lake, Lac Léman, Vaud, Switzerland
Right now
Normal for mid-October
Surface elevation
History
Not enough readings for a chart yet. History builds up with every update.
What this means
St-Prex is at 372.18 m, in the normal range for mid-October.
It is 0.17 m below the flood level of 372.35 m. That puts it 0.01 m below the median of 372.19 m for mid-October, based on 30 years of readings.
Many reservoirs reach their low point of the year in autumn, before winter rain and snow start the refill.
Compared with 30 years of daily readings for this time of year. How to read levels
Key numbers
- Median for this date
- 372.19 m0.01 m below the median for this date
- Normal for this date
- 372.15 m – 372.26 m8 years in 10 fall in this range (30 years of records)
On the water at St-Prex
Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.
Weather at the gauge
No rain in the last 3 days.
Forecast: Open-Meteo
Map
Other gauges on the Lac Léman
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| ChillonLake, Lac Léman | 372.15 m | No reference yet | 37 km | |
| Genève, SécheronLake, Lac Léman | 372.18 m | Normal | 38 km |
Nearby gauges
| Gauge | Level | Compared with normal | 24 hours | Distance |
|---|---|---|---|---|
| Allaman, Le CouletRiver gauge, Aubonne | 0.21 m³/s | Very low | 4.3 km | |
| Ecublens, Les BoisRiver gauge, Venoge | 0.31 m³/s | Very low | 9.1 km | |
| Le Redon à MargencelRiver gauge, Le Redon | 0.05 m³/s | Very low | 0.00 m³/s | 16 km |
| Gland, Route SuisseRiver gauge, Promenthouse | 0.27 m³/s | Low | 17 km | |
| Le Foron à SciezRiver gauge, Le Foron | 0.08 m³/s | Very low | 0.00 m³/s | 18 km |
| La Dranse à Reyvroz [Bioge]River gauge, La Dranse | 3.13 m³/s | Very low | 0.00 m³/s | 20 km |
| Le PontLake, Lac de Joux | 1,002.52 m | Very low | 23 km | |
| La Dranse à VacheresseRiver gauge, La Dranse | 1.19 m³/s | Very low | −0.06 m³/s | 23 km |
Questions and answers
How often is St-Prex updated?
Several times an hour. New readings from Bundesamt für Umwelt BAFU, Abteilung Hydrologie appear here as they arrive. Latest: Oct 16, 2026, 11:20 PM GMT+2.
What is the water level of St-Prex today?
On Oct 16, 2026, 11:20 PM GMT+2, the surface elevation was 372.18 m. Normal.
Is the level of St-Prex normal?
Normal for mid-October. Compared with 30 years of daily readings for this time of year.
How often is this data updated?
Bundesamt für Umwelt BAFU, Abteilung Hydrologie publishes a new reading every 15 minutes. This page refreshes within minutes of each update.
Where does this data come from?
The values come directly from Bundesamt für Umwelt BAFU, Abteilung Hydrologie, the official operator of this gauge, and are published under the BAFU Allgemeine Bedingungen für aktuelle hydrologische Rohdaten (commercial and non-commercial use allowed). We do not estimate or model live values.
For specialists
Station codes, datum, parameters, data quality and downloads
- Operator
- Bundesamt für Umwelt BAFU, Abteilung Hydrologie
- Station code
bafu:2027(Agency page)- Coordinates
46.48280, 6.46114(WGS84)- Vertical datum
- m ü.M. (LN02)
- Update interval
- every 15 minutes
- Licence
- BAFU Allgemeine Bedingungen für aktuelle hydrologische Rohdaten (commercial and non-commercial use allowed). Quelle: BAFU
Published series
| Parameter | Last value | Time (UTC) | Quality |
|---|---|---|---|
Surface elevation elevation | 372.18 m | 2026-10-16 21:20 | Provisional |
Download
Embed this gauge
Add a live card for this gauge to your website. It updates on its own and links back here.
How to cite
Bundesamt für Umwelt BAFU, Abteilung Hydrologie: St-Prex (bafu:2027). Accessed October 16, 2026 via Nivelmap, https://nivelmap.com/en/switzerland/vaud/st-prex
How we check values
Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.
Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer