Rhine at Mainz
The Rhine at Mainz read 102 cm at .
That is lower than any of the daily averages of these dates in the 26 years between 2000 and 2025. That is 69 cm below the equivalent low water level (GlW) of 171 cm.
- Down 5 cm in 24 hours.
- Up 5 cm in 7 days.
- We show no forecast values for German gauges: the forecasts PEGELONLINE relays come from the Federal Institute of Hydrology (BfG), whose terms allow only private and own use. ELWIS and the BfG publish them. ELWIS BfG 6-week forecast
Long views: the past year, the past decade and the whole record
Normal range and official levels
The normal range for 5 October is 172 cm to 329 cm: the 10th to 90th percentile of the daily averages from 28 September to 12 October in 26 years between 2000 and 2025.
- Equivalent low water level (GlW): 171 cm, valid from 1 January 2023. (gleichwertiger Wasserstand) The newest reading is 69 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Flood mark I (M_I): 475 cm, valid from 1 January 2004. (Marke_I) The newest reading is 373 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Highest navigable water level (HSW): 630 cm, valid from 1 January 1950. (höchster Schifffahrtswasserstand) The newest reading is 528 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Flood mark II (M_II): 630 cm, valid from 1 January 2004. (Marke_II) The newest reading is 528 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Mean low water level (MNW): 159 cm, over 2010 to 2020. (Mittel der Niedrigwasserstände) The newest reading is 57 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Mean water level (MW): 288 cm, over 2010 to 2020. (Mittel der Tageswasserstände) The newest reading is 186 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Mean high water level (MHW): 547 cm, over 2010 to 2020. (Mittel der Hochwasserstände) The newest reading is 445 cm below it.Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
Records
- Highest reading in our series since 1 January 2000: 681 cm at 06:30 CEST on 5 June 2013. Provisional data.
- Lowest reading in our series since 1 January 2000: 91 cm at 17:30 CEST on 30 September 2026. Provisional data.
- Highest daily average in our series since 1 January 2000: 679.3 cm on 4 June 2013. Provisional data.
- Lowest daily average in our series since 1 January 2000: 94.6 cm on 30 September 2026. Provisional data.
As the source publishes them
- Lowest low water level on record (NNW): 110 cm, on 2 November 1947. (Niedrigster Niedrigwasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Lowest daily water level in the period (NW): 122 cm, on 21 October 2018, over 2010 to 2020. (Niedrigster Tageswasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Highest water level in the period (HW): 682 cm, on 5 June 2013, over 2010 to 2020. (Höchster Momentanwasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
- Highest high water level on record (HHW): 795 cm, on 28 November 1882. (Höchster Hochwasserstand)Set by PEGELONLINE REST API v2 (WSV, operated by ITZBund).
Our series holds a lower value (91 cm) than the record WSV publishes (110 cm); the published value may come from another period or may not be updated yet.
This year
So far in 2026, the daily value was below the equivalent low water level (GlW) on 84 days of the 278 days with a value and a reference.
Next gauges on this water
The next gauges on this water by river kilometre.
About this gauge
Mainz is a gauge on the Rhine in Germany, at river kilometre 498.27.
It lies at 50.0040° N, 8.2753° E.
Its readings come from the Federal Waterways and Shipping Administration (WSV), through PEGELONLINE.
The gauge reads the height of the water above a fixed zero, not the depth of the river. Its zero lies at 78.373 m above NHN (the German sea-level datum), valid from 1 November 2019.
PEGELONLINE publishes its readings as unchecked raw data.
The newest reading is provisional: the source may still correct it.