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Water level data

In this area you will find useful links to water level and high water data. You will find the current water level at Basel-Rheinhalle on the home page.

The water level at Basel-Rheinhalle is measured opposite the estuary of the Birs.

Other water level data for European inland waterways is supplied by the Electronic Waterways Information Service ELWIS.


Map of the Rhine Knee

All relevant water level data between Rheinfelden and Basel can be found on the map of the  Rhine Knee (German).

Other water level data for European inland waterways is supplied by the Electronic Waterways Information Service ELWIS


Prognoses of Water Level and Outflow Rates

The Swiss Federal Agency for the Environment issues prognoses for the water levels and outflow rates. The water level is indicated in metres above sea-level. The level at "Basel-Rheinhalle", however, is measured in centimetres. A water level of 247.20 metres above sea-level thus corresponds to a level of 720 cm.

Prognoses of water level: Prognosis graphic | Prognosis table

Other hydrological bases and data from the Swiss Federal Agency for the Environment


Current water levels and the vertical clearance for the "Mittlere Rheinbrücke"

Overview of diagrams (current water levels between Basel and Rheinfelden, current vertical clearance for "Mittlere Rheinbrücke", water levels of the past 2, 7 and 31 days)

Water level date table (daily values at 05:00, 13:00, 21:00)


High-water marks and outflow quantities water level Basel-Rheinhalle

The decisive figure is the water level "Basel-Rheinhalle", which is shown on the Start Page.

Water level 700 cm (high water mark l): Corresponds to a pre-alarm.

Water level 790 cm (high water mark IIb): Block on all large vessel navigation between Basel ("Mittlere Rheinbrücke") and Birsfelden as well as on small vessel navigation and on ferry operations between Basel and Rheinfelden.

Water level 820 cm (high water mark IIa): Block on navigation between Rheinfelden and the locks at Kembs.

The official basis for this is Bulletin for Inland Navigation No. CH 12/06. (German)

High-water marks Level at Basel-Rheinhalle Outflow quantity Basel-Rheinhalle
I 700 cm ca. 1800 m3/s
IIa 820 cm ca. 2750 m3/s
IIb 790 cm ca. 2500 m3/s
IIc 850 cm ca. 3000 m3/s