Live · 22 Oct 2026 · Koshi
Koshi River at Chatara
Daily river discharge from the GloFAS global flood model at Chatara, compared with the 2004–2023 record for the same date, with the 7-day forecast.
Flow today
1,651 m³/s
Normal range
Normal for the date
1,705 m³/s
2004–2023 median
Highest in the next 7 days
1,651 m³/s
forecast
2-year / 10-year flood level
8,109 / 10,718
m³/s
Last 30 days and the next 7
m³/s; dashed line forecast.
Peak flow every year
Highest daily discharge of each year; dashed lines: 2-year and 10-year flood levels.
Questions about the Koshi
- What is the Koshi River level today?
- The Koshi at Chatara is flowing at about 1,651 m³/s today, 97% of the 2004–2023 median for the date (normal range).
- What is a flood on the Koshi?
- Here a flood means a daily flow above the 2-year level (8,109 m³/s, the median annual peak 2004–2023); above 10,718 m³/s is a 10-year flood.
- What were the biggest Koshi floods?
- The largest annual peaks since 2004: 15,065 m³/s on 13 Jul 2019; 12,734 m³/s on 12 Aug 2017; 10,494 m³/s on 11 Jul 2020.
Other rivers: Narayani (Gandaki) · Karnali · Mahakali · Bagmati · West Rapti
Source: GloFAS v4 (Copernicus Emergency Management Service / ECMWF) via Open-Meteo. Modelled flows, not gauge readings; official flood warnings: Department of Hydrology and Meteorology (hydrology.gov.np).