Not official. In an emergency call 117

Data: Irrigation Dept & others · Made by @shakeeb_x

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Sri Lanka Water Levels

Live river and reservoir levels across Sri Lanka, with flood forecasts.

Rivers

  • Aththanagalu Oya
  • Deduru Oya
  • Gal Oya
  • Gin Ganga
  • Heda Oya
  • Kala Oya
  • Kalu Ganga
  • Kelani Ganga
  • Kirindi Oya
  • Kumbukkan Oya
  • Ma Oya
  • Maduru Oya
  • Maha Oya
  • Mahaweli Ganga
  • Malwathu Oya
  • Mee Oya
  • Menik Ganga
  • Nilwala Ganga
  • Walawe Ganga
  • Yan Oya

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Data and credits

Readings from the Department of Irrigation and the Mahaweli Authority. Warnings from the Disaster Management Centre. Rain forecasts from Open-Meteo. Map © OpenStreetMap contributors; some river lines from the Department of Irrigation.

Not an official warning service. In an emergency, call 117.

© 2026 Sri Lanka Water Levels. Built in Sri Lanka. · Made by @shakeeb_x · Automated updates: @waterlevelslk

EN·සිංහල·தமிழ்
Home › Rain map

Rain map

Rain that fell, from satellite and our river gauges, and the forecast for the next day. Tap a river to see what it means.

In the last 24 hours the most rain fell on the Gin Ganga (169 mm, very heavy rain). Next 24 hours: most expected on the Gin Ganga (28 mm).

Loading the rain map…
Sri Lanka Water LevelsLive river-gauge readings
Basins
  • Aththanagalu Oya
  • Deduru Oya
  • Gal Oya
  • Gin Ganga
  • Heda Oya
  • Kala Oya
  • Kalu Ganga
  • Kelani Ganga
  • Kirindi Oya
ReservoirsNewsHistoryHelp@waterlevelslk
ENසිංத
  • Kumbukkan Oya
  • Ma Oya
  • Maduru Oya
  • Maha Oya
  • Mahaweli Ganga
  • Malwathu Oya
  • Mee Oya
  • Menik Ganga
  • Nilwala Ganga
  • Walawe Ganga
  • Yan Oya