Basins

Basin

Yan Oya

1 river gauges on the Yan Oya basin, ordered upstream → downstream. Tap a station for live readings, thresholds, and a next-hour forecast.

Stations on this basin

Live river-gauge readings and next-hour flood forecasts for every basin in Sri Lanka, updated every minute.

Readings sourced from the Sri Lanka Department of Irrigation ArcGIS feature service.

Not an official flood-warning service — use for situational awareness only.

Auto-refreshes every 60s · cached server-side

Live river-gauge readings and next-hour flood forecasts for every basin in Sri Lanka, updated every minute.

Readings sourced from the Sri Lanka Department of Irrigation ArcGIS feature service.

Not an official flood-warning service — use for situational awareness only.

Auto-refreshes every 60s · cached server-side