---
title: "Daily river discharge forecast (m3/s) for any river point, up to 210 days"
method: GET
path: "/v1/hydro/river"
---

# Daily river discharge forecast (m3/s) for any river point, up to 210 days

`GET /v1/hydro/river`

## Request

- Base URL: `https://data.greeneris.io` (the document declares no server; this is the origin it was published from)
- URL: `https://data.greeneris.io/v1/hydro/river`
- Auth: none declared

Daily river discharge forecast from the Copernicus GloFAS model (5 km grid) served via Open-Meteo Flood API, data CC-BY 4.0. Query: ?latitude=45.75&longitude=4.85&forecast_days=7 (1-210 days; daily=river_discharge,river_discharge_max for extra variables). Returns ISO date + m3/s arrays -- flood risk, inland shipping (Rhine/Danube) and hydropower planning. 6h cache.

## Query parameters

- `latitude` number, required
- `longitude` number, required
- `daily` string
- `forecast_days` integer

## Response `200`

Successful response

- unknown

---

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