Lac Léman - St-Prex 2027

Discharge and Water level

Danger levels

Water level m a.s.l.
  1. 5 > 372.9
  2. 4 372.65 - 372.9
  3. 3 372.55 - 372.65
  4. 2 372.35 - 372.55
  5. 1 < 372.35
The 5 flood danger levels and recommended behaviour

Forecast

Water level (m a.s.l.)

The hydrological forecasts shown are direct model outputs. The reliable forecast range is up to 24 hours. Predictions outside of this range should be interpreted as estimates. Regarding alerts, the statements as interpreted in the natural hazard bulletin on www.naturgefahren.ch are authoritative.

Explanatory notes on forecast plots

Graphs

Data and statistics

Key figures Water level

Period 1943 - 2019

Annual mean

Highest
372.18 m a.s.l. 1977
Lowest
371.78 m a.s.l. 1949

Mean
372.05 m a.s.l. Total period

Annual tables

Station information

Station altitude
372 m a.s.l.
Catchment size
7999 km2
Mean catchment altitude
1659 m a.s.l.
Glacial area
7.200%
Station coordinates
2'524'982 / 1'148'505

Data availability

Water level
1930 - today