Realtime

Sri Lanka Water Levels

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

Station

42 stations · 20 basins

Magura

Kalu Ganga

Alert

Latest

4.06

23 May 2026, 05:04

Alert

4.00

Minor flood

6.00

Major flood

7.50

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.

Next hour

Medium confidence

Falling-0.04 → 3.92

Local trend

-0.05/h

Upstream avg

-0.00/h

Rain here (6h)

28.3mm

Rain upstream (6h)

4.9mm

Rathnapura 6.1mm · Ellagawa 3.7mm

· Recent rain (33mm/6h) may slow the decline.

Kalu Ganga — upstream to downstream

24h trend

Ellagawa upstream is rising at 0.07/h — a pulse may reach Magura in the coming hours.

Rathnapura
upstream
6.37
-0.15/3h
Ellagawa
10.05
+0.13/3h
Magura
3.96
-0.10/3h
Kalawellawa (Millakanda)
6.49
Putupaula
downstream
2.95
+0.09/3h

Stations ordered by river flow. Trend = change over last ~3 hours; arrow direction reflects rate. Ordering for this basin is by longitude — may not perfectly match river hydrology.