Realtime

Sri Lanka Water Levels

River-gauge readings from the Department of Irrigation, updated every minute.

Station

42 stations · 20 basins

Horowpothana

Yan Oya

Normal

Latest

1.29

23 May 2026, 07:00

Alert

6.00

Minor flood

7.50

Major flood

10.50

Last 4 days · 88 readings · Asia/Colombo. Units are reported by the source as-is — Kelani Ganga stations are in feet; other basins may differ.

No signal

Unknown— → —

Local trend

—

Upstream avg

n/a (top)

Rain here (6h)

n/a

Rain upstream (6h)

n/a