Leaving
Level 1 · WatchTue 10 Nov
Watch on 69 km between Kaduwela and Kandy
Around Warakapola and Kegalle, km 166–176, km 182–199, km 288–292 and 3 more.
You reach it about Tue 13:25, 2 h 30 min after leaving, and are through it by Tue 16:40.
NBRI’s bulletin is valid until Tue 20:00, so it covers that time.
NBRI’s advice, as issued
Since the rainfall within the past 24 hours has exceeded 75mm, if the rain continues, be watchful on the possibility of landslides, slope failures, rock falls, cutting failures and ground subsidence.
NBRI, issued Mon 9 Nov, 20:00 · valid to Tue 10 Nov, 20:00lankawatch.org
Your road · 355 km~6 h
NBRI WatchNot listedOutside NBRI areaRiver crossingRain gaugeNo report
- Tissamaharama
Outside NBRI’s landslide area: the bulletin says nothing herekm 0–53 - Not listedkm 53–55
- Outside NBRI’s landslide area: the bulletin says nothing herekm 55–93
- Thihagoda to Imaduwa
Not listedkm 93–166 - Watchkm 166–176
- Not listedkm 176–183
- Watchkm 183–198
- Kaduwela to Pasyala
Not listedkm 198–294 - Warakapola
Watchkm 294–307 - near Kegalle
Not listedkm 307–312 - Kegalle
Watchkm 312–321 - near Kegalle
Not listedkm 321–326 - between Kegalle and Kandy
Watchkm 326–348 - Kandy
Not listedkm 348–355
LandslideWatch6 stretches · NBRI’s adviceRainModerate rain, up to 37.4 mm in 24 hLast 3 days, satellite: About 1–2 days a month are this wet hereWeatherShowers or thundershowers after 1.00p.mKandy 30° / 24°Rivers35 crossingsBaddegama: Minor flood level · rising · Walawe Ganga basin rain: Rare here (1–2 days a month) · rain upstream of Kalu Ganga: Rare here (1–2 days a month)
Level 1 · WatchTue 10 Nov
Watch on 129 km between Wellawaya and Kandy
Around Wellawaya and Ella, km 38–108, km 164–227.
You reach it about Tue 11:50, 1 h after leaving, and are through it by Tue 17:10.
NBRI’s bulletin is valid until Tue 20:00, so it covers that time.
NBRI’s advice, as issued
Since the rainfall within the past 24 hours has exceeded 75mm, if the rain continues, be watchful on the possibility of landslides, slope failures, rock falls, cutting failures and ground subsidence.
NBRI, issued Mon 9 Nov, 20:00 · valid to Tue 10 Nov, 20:00lankawatch.org
Your road · 232 km~6 h 30 min
NBRI WatchNot listedOutside NBRI areaRiver crossingRain gaugeNo report
- Tissamaharama
Outside NBRI’s landslide area: the bulletin says nothing herekm 0–34 - Not listedkm 34–39
- Wellawaya to Ella
Watchkm 39–107 - Bandarawela to Welimada
Not listedkm 107–164 - Kothmale to Weligalla
Watchkm 164–227 - Kandy
Not listedkm 227–232
LandslideWatch2 stretches · NBRI’s adviceRainModerate rain, up to 16 mm in 24 hLast 3 days, satellite: About 1–2 days a month are this wet hereWeatherShowers or thundershowers after 1.00p.mNuwara Eliya 22° / 13° · Kandy 30° / 24°Rivers21 crossingsThanamalwila: Below Alert · falling · rain upstream of Mahaweli Ganga: Rare here (1–2 days a month)
Level 2 · AlertTue 10 Nov
Alert on 17 km between Ududumbara and Hunnasgiriya
Around Ududumbara and Hunnasgiriya, km 191–209.
Also: Watch on 57 km between Wellawaya and Ududumbara
You reach it about Tue 15:45, 4 h 50 min after leaving, and are through it by Tue 16:20.
NBRI’s bulletin is valid until Tue 20:00, so it covers that time.
NBRI’s advice, as issued
Since the rainfall within the past 24 hours has exceeded 100 mm, if the rains continue, be on alert on the possibility of landslides, slope failures, rock falls, cut failures and ground subsidence, being ready to evacuate to a safe location if the need arises.
NBRI, issued Mon 9 Nov, 20:00 · valid to Tue 10 Nov, 20:00lankawatch.org
Your road · 249 km~6 h 30 min
NBRI AlertNBRI WatchNot listedOutside NBRI areaRiver crossingRain gaugeNo report
- Tissamaharama
Outside NBRI’s landslide area: the bulletin says nothing herekm 0–31 - Not listedkm 31–35
- Wellawaya
Watchkm 35–75 - Nakkala to Mahiyanganaya
Not listedkm 75–175 - between Mahiyanganaya and Ududumbara
Watchkm 175–192 - Ududumbara to Hunnasgiriya
Alertkm 192–208 - Medamahanuwara to Kandy
Not listedkm 208–249
LandslideAlert3 stretches · NBRI’s adviceRainModerate rain, up to 12.7 mm in 24 hLast 3 days, satellite: About 1–2 days a month are this wet hereWeatherShowers or thundershowers after 1.00p.mKandy 30° / 24°Rivers27 crossingsThanamalwila: Below Alert · falling · rain upstream of Mahaweli Ganga: Rare here (1–2 days a month)
Next update usually today by 17:45.
Before you go
We don’t know about road closures or damage. Be cautious on the way, especially in the hills in rain.
About the Tissamaharama–Kandy road
The fastest road we know from Tissamaharama to Kandy is 355 km, about 6 h, via Kaduwela, Kegalle.
Main roads on it: Southern Expressway (201 km), Colombo-Kandy Road (86 km), Outer Circular Highway (18 km).
We show 3 roads between them, fastest first.
DS divisions on this road
It passes through 45 DS divisions in 9 districts, in travel order:
- Thissamaharama
- Lunugamvehera
- Hambantota
- Sooriyawewa
- Embilipitiya
- Ambalantota
- Angunakolapelessa
- Tangalle
- Weeraketiya
- Beliatta
- Kirinda Puhulwella
- Devinuwara
- Thihagoda
- Malimbada
- Welipitiya
- Imaduwa
- Akmeemana
- Bope-Poddala
- Baddegama
- Welivitiya-Divithura
- Karandeniya
- Elpitiya
- Benthota
- Walallavita
- Mathugama
- Dodangoda
- Kalutara
- Millaniya
- Bandaragama
- Horana
- Homagama
- Maharagama
- Kaduwela
- Biyagama
- Mahara
- Gampaha
- Attanagalla
- Mirigama
- Warakapola
- Galigamuwa
- Kegalle
- Rambukkana
- Mawanella
- Yatinuwara
- Kandy Four Gravets & Gangawata Korale
Past NBRI bulletins
Most often listed on this road, in the 41 NBRI bulletins we have passed on since Sun 20 Sept: Mawanella (38), Kegalle (31), Warakapola (27).
A record of past bulletins, not a forecast. Not being listed doesn’t mean safe.
Steep terrain
About 5 km of it runs through steep terrain (slopes over 30° beside the road).
Terrain beside the road, from a satellite elevation model: not the road’s gradient and not a landslide hazard rating.
How to read this
- Not an official service. NBRI’s warnings are passed on as issued.
- Rain levels compare each division with its own satellite record since 2000. Satellites can miss heavy local downpours.
- Gauge sources: Department of Meteorology and Irrigation Department gauge readings, passed on as published. Met gauge sites are approximate. Compared with each division's own satellite record since 2000. This is not a warning and does not replace NBRI's levels. Satellites can miss heavy local downpours, so it never means a road is safe. Satellite data up to 10 Nov, 05:30. Checked Tue 10 Nov, 11:00.
Was this page useful?Thanks, noted.
Landslide (NBRI)
×| Warned DS division | Level | From km |
|---|---|---|
| Karandeniya | Watch | 167 |
| Elpitiya | Watch | 170 |
| Walallavita | Watch | 183 |
| Mathugama | Watch | 190 |
| Warakapola | Watch | 288 |
| Kegalle | Watch | 312 |
| Mawanella | Watch | 326 |
| Yatinuwara | Watch | 337 |
Rain on route
×Moderate rain, up to 37.4 mm in 24 h
Rain gauges near your route
123456789101112131415161718192021222324252627282930313233
0355 km
Key
DryLight rainModerate rainHeavy rainVery heavy rainNo rain report
- 1 Mattala, 12.2 mm, moderate rain
- 2 Moraketiya, ≥ 12.1 mm, moderate rain or more (incomplete day)
- 7 Galle, 0.7 mm, dry
- 10 Baddegama, ≥ 44.6 mm, moderate rain or more (incomplete day)
- 15 Putupaula, ≥ 1.5 mm, light rain or more (incomplete day)
- 17 Ratmalana, 14.6 mm, moderate rain
- 19 Hanwella, 3 mm, light rain
- 21 Dunamale, 37.4 mm, moderate rain
- 32 Peradeniya, 16 mm, moderate rain
24 gauges not reporting.
Gauge coverage: most of the route.
NBRI's warning stays in force after rain eases.
Satellite estimate
- Last 3 days: among the wettest 5% of 3-day periods since 2000 in Embilipitiya, Welivitiya-Divithura, Karandeniya, Elpitiya +14.
Rain outlook (computer model) · Next day: Chance of a rare wet day
- Next day: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Hambantota, Sooriyawewa +9 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 11 Nov, 05:30)
- Next 3 days: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Hambantota, Sooriyawewa +13 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 13 Nov, 05:30)
- "Not signalled" never means dry or safe. This is a computer model, not a warning, and it never changes NBRI's levels. Like the satellite, it reads hill-country rain low and can miss heavy local downpours.
- ECMWF ensemble forecast (open data, CC BY 4.0), run 9 Nov, 17:30, compared with each division's own satellite record.
Weather forecast (Met Dept)
×No advisory for this road
- No Department of Meteorology advisory is in force for Hambantota, Ratnapura, Matara, Galle, Kalutara, Colombo, Gampaha, Kegalle and Kandy.
- Forecast issued 10 Nov, 05:30
- Showers or thundershowers will occur at times in the Northern province and in Trincomalee district.
- Showers or thundershowers will occur elsewhere in the island after 1.00 p.m.
- Covers Kegalle, Ratnapura, Kandy, Colombo, Gampaha, Kalutara, Galle and Matara on this road: Heavy falls above 100mm are likely at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle and Matara districts.
- Covers Galle, Hambantota and Matara on this road: Showers may occur in the coastal areas of the Southern Province during the morning.
- The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized strong winds and lightning during thundershowers.
- Covers Kegalle, Ratnapura, Kandy, Colombo, Gampaha, Kalutara, Galle and Matara on this road: Misty conditions can be expected at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle, Matara and Kurunegala districts during the early hours of the morning.
- Forecast for the main cities, Tuesday, 10 November 2026 (issued 9 Nov, 16:00)
- Kandy: Showers or thundershowers after 1.00p.m. Max 30°C, min 24°C.
- A forecast never lowers or replaces the NBRI landslide warning above.
- Forecast and advisories by the Department of Meteorology, Sri Lanka, as issued. LankaWatch is not an official service.
Rivers and catchments
×Crosses 34 named rivers · 20 basins · Walawe Ganga basin rain: Rare here (1–2 days a month) · rain upstream of Kalu Ganga: Rare here (1–2 days a month) · Minor flood level
Kirindi Oya · Malala Oya · Walawe Ganga …
BaddegamaMinor flood level · River level 4.2 mDepartment’s thresholds: Alert 3.5, minor flood 4, major flood 5 m
River basins along this road
- km 0–28 · Kirindi Oya basin
- km 28–40 · Malala Oya basin
- km 40–58 · Walawe Ganga basin
- km 58–66 · Kachigal Aru basin
- km 67–74 · Urubokka Ganga basin
- km 74–81 · Rekawa Oya basin
- km 81–88 · Kirama Oya basin
- km 88–94 · Seenimodara Oya basin
- km 94–116 · Nilwala Ganga basin
- km 116–132 · Polwatta Ganga basin
- km 133–136 · Koggala Lake basin
- km 136–169 · Gin Ganga basin
- km 169–171 · Madampe Lake basin
- km 171–201 · Bentota Ganga basin
- km 201–213 · Kalu Ganga basin
- km 213–240 · Bolgoda Ganga basin
- km 240–261 · Kelani Ganga basin
- km 261–295 · Attanagala Oya basin
- km 295–339 · Maha Oya basin
- km 339–355 · Mahaweli Ganga basin
Satellite rain over these basins
- Walawe Ganga basin · Last 3 days: Rare here (1–2 days a month)
- Gin Ganga basin · Last 3 days: Rare here (1–2 days a month)
- Madampe Lake basin · Last 3 days: Rare here (1–2 days a month)
- Bentota Ganga basin · Last 3 days: Rare here (1–2 days a month)
- Kalu Ganga basin · Last 3 days: Rare here (1–2 days a month)
- Kelani Ganga basin · Last 3 days: Rare here (1–2 days a month)
- Kachigal Aru basin · Last 3 days: Unusual here (3 days a month)
- Urubokka Ganga basin · Last 3 days: Unusual here (3 days a month)
- Nilwala Ganga basin · Last 3 days: Unusual here (3 days a month)
- Bolgoda Ganga basin · Last 3 days: Unusual here (3 days a month)
- Attanagala Oya basin · Last 3 days: Unusual here (3 days a month)
- Maha Oya basin · Last 3 days: Unusual here (3 days a month)
- Mahaweli Ganga basin · Last 3 days: Unusual here (3 days a month)
A whole-basin satellite average against that basin’s own record since 2000, not the area upstream of any one point. Satellites under-read hill rain. Not a warning.
Where this road crosses a river or stream
- km 4 · Kiridi Oya (Kirindi Oya basin) · flows south-east
1,019 km² drain to this point · rain over that area, Last 24 hours: Unusual here (3 days a month) - km 36 · Malala Oya · flows south
256 km² drain to this point - km 42 · Maha Ara (Walawe Ganga basin) · flows south-east
0.1 km² drain to this point - km 47 · Mahaweligada Ara (Walawe Ganga basin) · flows south-west
23 km² drain to this point - km 47 · Mahakadawala Ara (Walawe Ganga basin) · flows south-west
23 km² drain to this point - km 54 · Walawe Ganga · flows south
2,201 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Moraketiya, an Irrigation Department gauge 13.9 km upstream (1,541 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): at least 12.1 mm in the 24 hours to 10 Nov, 08:30 (2 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:01.
River level 2.99 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 3, minor flood 5, major flood 7 m) - km 84 · Kirama Oya · flows east
115 km² drain to this point - km 90 · Sinimodara Oya · flows south-east
20 km² drain to this point - km 104 · Kanduwela Ela (Nilwala Ganga basin)
35 km² drain to this point - km 108 · Nilwala Ganga · flows south
659 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month)
Thalgahagoda, an Irrigation Department gauge 2.6 km upstream (655 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): no complete 24-hour total (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:08.
River level 1.65 m · Alert level · steady over about 3 hours (Department’s thresholds: Alert 1.4, minor flood 1.7, major flood 2.8 m) - km 123 · Polwatta Ganga
166 km² drain to this point · rain over that area, Last 24 hours: Unusual here (3 days a month) - km 142 · Maha Dola (Gin Ganga basin) · flows west
19 km² drain to this point - km 151 · Keembiya Ela (Gin Ganga basin) · flows north-west
14 km² drain to this point - km 157 · Gin Ganga · flows west
681 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Baddegama, an Irrigation Department gauge 2.6 km downstream (709 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): at least 44.6 mm in the 24 hours to 10 Nov, 08:30 (2 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:08.
River level 4.2 m · Minor flood level · rising over about 3 hours (Department’s thresholds: Alert 3.5, minor flood 4, major flood 5 m) - km 180 · Uragas Ela (Bentota Ganga basin)
5.2 km² drain to this point - km 183 · Bentota_Gnga (Bentota Ganga basin)
363 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month) - km 191 · Welipenne Ganga (Bentota Ganga basin)
131 km² drain to this point - km 204 · Iriyangala Ela (Kalu Ganga basin)
9.7 km² drain to this point - km 213 · Kalu Ganga
2,762 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month) - km 214 · Keppu Ela (Bolgoda Ganga basin)
0.4 km² drain to this point - km 220 · Panape Ela (Bolgoda Ganga basin)
66 km² drain to this point - km 227 · Maha Oya (Bolgoda Ganga basin) · flows west
27 km² drain to this point - km 232 · Nudun Ela (Bolgoda Ganga basin) · flows west
35 km² drain to this point - km 245–246 · Maha Ela (Kelani Ganga basin) · 2 crossings
15 km² drain to this point - km 248 · Kelani Ganga · flows west
2,126 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Nagalagam Street, an Irrigation Department gauge 13.8 km downstream (2,256 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): no complete 24-hour total (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:03.
River level 2.8 ft · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4, minor flood 5, major flood 7 ft) - km 264–266 · Uruwal Oya (Attanagala Oya basin) · 2 crossings · flows west
42 km² drain to this point - km 270 · Dondugam Oya (Attanagala Oya basin) · flows west
183 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Dunamale, an Irrigation Department gauge 6.3 km upstream (150 km² upstream): 37.4 mm in the 24 hours to 10 Nov, 08:30 (Moderate); 0 mm in the 3 hours to 10 Nov, 10:09.
River level 4.6 m · Minor flood level · steady over about 3 hours (Department’s thresholds: Alert 3.3, minor flood 4.4, major flood 5.5 m) - km 284 · Diyaelle Oya (Attanagala Oya basin) · flows north-west
21 km² drain to this point - km 296–298 · Kuda Oya (Maha Oya basin) · 2 crossings · flows north
54 km² drain to this point - km 305 · Rogala Oya (Maha Oya basin) · flows north-east
3.6 km² drain to this point - km 306–309 · Galigamuwa Oya (Maha Oya basin) · 2 crossings · flows west
8.5 km² drain to this point - km 329 · Maha Oya · flows west
199 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month) - km 331–333 · Hingul Oya (Maha Oya basin) · 3 crossings · flows west
39 km² drain to this point - km 341–345 · Nanu Oya (Mahaweli Ganga basin) · 3 crossings · flows south-east
45 km² drain to this point - km 348–349 · Mahaweli Ganga · 2 crossings · flows east
1,152 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Peradeniya, an Irrigation Department gauge 2.6 km upstream (1,143 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): 16 mm in the 24 hours to 10 Nov, 08:30 (Moderate); 0 mm in the 3 hours to 10 Nov, 10:07.
River level 3.4 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 7, major flood 9 m)
And 11 more unnamed streams on our map
Where this road runs beside a river
- km 332–333 · beside the Hingul Oya
Rivers and basins come from our own map of Sri Lanka’s river network. Flow direction, where shown, is worked out from the height of the land. This is orientation only, not a flood warning.
The area draining to a crossing is worked out from a terrain model (about 90 m cells) and is approximate. The rain over it is the satellite average for that same area, against its own record since 2000. Areas under about 150 km² are smaller than the satellite can see, so they show no rain.
River levels are the Irrigation Department’s own readings at its gauge, against its own thresholds. This is not a flood warning: flood warnings come from the Irrigation Department and DMC.
Landslide (NBRI)
×| Warned DS division | Level | From km |
|---|---|---|
| Wellawaya | Watch | 39 |
| Ella | Watch | 85 |
| Kothmale East | Watch | 164 |
| Udapalatha | Watch | 192 |
| Udunuwara | Watch | 214 |
| Yatinuwara | Watch | 223 |
Rain on route
×Moderate rain, up to 16 mm in 24 h
Rain gauges near your route
12345678910111213141516171819202122232425
0232 km
Key
DryLight rainModerate rainHeavy rainVery heavy rainNo rain report
- 1 Mattala, 12.2 mm, moderate rain
- 4 Wellawaya, ≥ 8.5 mm, light rain or more (incomplete day)
- 9 Bandarawela, 4.7 mm, light rain
- 16 Nuwara Eliya, 9.4 mm, light rain
- 24 Peradeniya, 16 mm, moderate rain
20 gauges not reporting.
Gauge coverage: most of the route.
NBRI's warning stays in force after rain eases.
Satellite estimate
- Last 3 days: among the wettest 5% of 3-day periods since 2000 in Nuwara Eliya, Kothmale East, Udapalatha, Udunuwara +3.
Rain outlook (computer model) · Next day: Chance of a rare wet day
- Next day: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Thanamalvila, Wellawaya +11 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 11 Nov, 05:30)
- Next 3 days: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Thanamalvila, Wellawaya +11 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 13 Nov, 05:30)
- "Not signalled" never means dry or safe. This is a computer model, not a warning, and it never changes NBRI's levels. Like the satellite, it reads hill-country rain low and can miss heavy local downpours.
- ECMWF ensemble forecast (open data, CC BY 4.0), run 9 Nov, 17:30, compared with each division's own satellite record.
Weather forecast (Met Dept)
×No advisory for this road
- No Department of Meteorology advisory is in force for Hambantota, Moneragala, Badulla, Nuwara Eliya and Kandy.
- Forecast issued 10 Nov, 05:30
- Showers or thundershowers will occur at times in the Northern province and in Trincomalee district.
- Showers or thundershowers will occur elsewhere in the island after 1.00 p.m.
- Covers Kandy, Nuwara Eliya, Badulla and Moneragala on this road: Heavy falls above 100mm are likely at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle and Matara districts.
- Covers Hambantota on this road: Showers may occur in the coastal areas of the Southern Province during the morning.
- The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized strong winds and lightning during thundershowers.
- Covers Kandy, Nuwara Eliya, Badulla and Moneragala on this road: Misty conditions can be expected at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle, Matara and Kurunegala districts during the early hours of the morning.
- Forecast for the main cities, Tuesday, 10 November 2026 (issued 9 Nov, 16:00)
- Nuwara Eliya: Showers or thundershowers after 1.00p.m. Max 22°C, min 13°C.
- Kandy: Showers or thundershowers after 1.00p.m. Max 30°C, min 24°C.
- A forecast never lowers or replaces the NBRI landslide warning above.
- Forecast and advisories by the Department of Meteorology, Sri Lanka, as issued. LankaWatch is not an official service.
Rivers and catchments
×Crosses 16 named rivers · 3 basins · rain upstream of Mahaweli Ganga: Rare here (1–2 days a month)
Kirindi Oya · Embilikala Aru · Mahaweli Ganga
ThanamalwilaBelow Alert · River level 1.98 mDepartment’s thresholds: Alert 4, minor flood 5, major flood 5.5 m
River basins along this road
- km 0–10 · Kirindi Oya basin
- km 10–99 · Kirindi Oya basin
- km 10 · Embilikala Aru basin
- km 99–232 · Mahaweli Ganga basin
Satellite rain over these basins
- Mahaweli Ganga basin · Last 3 days: Unusual here (3 days a month)
A whole-basin satellite average against that basin’s own record since 2000, not the area upstream of any one point. Satellites under-read hill rain. Not a warning.
Where this road crosses a river or stream
- km 5 · Kiridi Oya (Kirindi Oya basin) · flows south-east
1,019 km² drain to this point · rain over that area, Last 24 hours: Unusual here (3 days a month) - km 20 · Weerawila Ara (Kirindi Oya basin) · flows south
27 km² drain to this point - km 31 · Kirindi Oya · flows south-east
2.0 km² drain to this point
Thanamalwila, an Irrigation Department gauge 9.3 km upstream (696 km² upstream · rain over that area, Last 24 hours: Unusual here (3 days a month)): no complete 24-hour total (4 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:05.
River level 1.98 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 4, minor flood 5, major flood 5.5 m) - km 46 · Kuda Oya (Kirindi Oya basin) · flows east
300 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month)
Kuda Oya, an Irrigation Department gauge 0.5 km upstream (299 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): no complete 24-hour total (2 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:01.
River level 1.81 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 6.9, minor flood 8.4, major flood 8.8 m) - km 61 · Kirindi Oya · flows south
233 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month)
Wellawaya, an Irrigation Department gauge 6.6 km upstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 62 · Dambakola Ara (Kirindi Oya basin) · flows south-east
3.1 km² drain to this point - km 64–66 · Kirindi Oya · 3 crossings · flows south
0.1 km² drain to this point
Wellawaya, an Irrigation Department gauge 1.1 km upstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 69 · Galamola Ara (Kirindi Oya basin) · flows south-east
6.2 km² drain to this point - km 71 · Radapola Oya (Kirindi Oya basin) · flows south-east
16 km² drain to this point - km 74–79 · Kirindi Oya · 4 crossings · flows south-west
89 km² drain to this point
Wellawaya, an Irrigation Department gauge 15.6 km downstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 77 · Kunapad Ara (Kirindi Oya basin) · flows south
98 km² drain to this point - km 95–97 · Kirindi Oya · 4 crossings · flows east
18 km² drain to this point - km 105 · Badulu Oya (Mahaweli Ganga basin) · 2 crossings · flows north
3.0 km² drain to this point - km 117–119 · Uma Oya (Mahaweli Ganga basin) · 4 crossings · flows north
155 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month) - km 131–132 · Dougolla Oya (Mahaweli Ganga basin) · 3 crossings · flows north
62 km² drain to this point - km 166 · Puna Oya (Mahaweli Ganga basin) · flows west
6.8 km² drain to this point - km 191 · Gamburu Oya (Mahaweli Ganga basin) · flows south-west
0.3 km² drain to this point - km 204 · Atabaga Oya (Mahaweli Ganga basin) · 2 crossings · flows south-west
44 km² drain to this point - km 209–211 · Mahaweli Ganga · 2 crossings · flows north-east
931 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Peradeniya, an Irrigation Department gauge 13.9 km downstream (1,143 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): 16 mm in the 24 hours to 10 Nov, 08:30 (Moderate); 0 mm in the 3 hours to 10 Nov, 10:07.
River level 3.4 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 7, major flood 9 m) - km 217 · Geli Oya (Mahaweli Ganga basin) · flows north-east
23 km² drain to this point - km 221–228 · Mahaweli Ganga · 7 crossings · flows north
1,175 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Peradeniya, an Irrigation Department gauge 5.2 km upstream (1,143 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): 16 mm in the 24 hours to 10 Nov, 08:30 (Moderate); 0 mm in the 3 hours to 10 Nov, 10:07.
River level 3.4 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 7, major flood 9 m)
And 1 more unnamed stream on our map
Where this road runs beside a river
- km 60–62 · beside the Kirindi Oya
- km 64–65 · beside the Kirindi Oya
- km 94–97 · beside the Kirindi Oya
- km 104–105 · beside the Badulu Oya
- km 116–117 · beside the Uma Oya
Rivers and basins come from our own map of Sri Lanka’s river network. Flow direction, where shown, is worked out from the height of the land. This is orientation only, not a flood warning.
The area draining to a crossing is worked out from a terrain model (about 90 m cells) and is approximate. The rain over it is the satellite average for that same area, against its own record since 2000. Areas under about 150 km² are smaller than the satellite can see, so they show no rain.
River levels are the Irrigation Department’s own readings at its gauge, against its own thresholds. This is not a flood warning: flood warnings come from the Irrigation Department and DMC.
Landslide (NBRI)
×| Warned DS division | Level | From km |
|---|---|---|
| Udadumbara | Alert | 192 |
| Wellawaya | Watch | 35 |
| Minipe | Watch | 175 |
Rain on route
×Moderate rain, up to 12.7 mm in 24 h
Rain gauges near your route
123456789101112131415161718192021
0249 km
Key
DryLight rainModerate rainHeavy rainVery heavy rainNo rain report
- 1 Mattala, 12.2 mm, moderate rain
- 4 Wellawaya, ≥ 8.5 mm, light rain or more (incomplete day)
- 6 Nakkala, 3.3 mm, light rain
- 7 Monaragala, 12.7 mm, moderate rain
- 20 Katugastota, 1.2 mm, light rain
16 gauges not reporting.
Gauge coverage: most of the route.
NBRI's warning stays in force after rain eases.
Satellite estimate
- Last 3 days: among the wettest 5% of 3-day periods since 2000 in Medadumbara, Kundasale, Pathadumbara, Kandy Four Gravets & Gangawata Korale.
Rain outlook (computer model) · Next day: Chance of a rare wet day
- Next day: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Thanamalvila, Wellawaya +13 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 11 Nov, 05:30)
- Next 3 days: a chance of a wet day of the kind that comes about 1–2 days a month in Thissamaharama, Lunugamvehera, Thanamalvila, Wellawaya +13 (the wettest 5% of days there; several times the usual chance). (10 Nov, 05:30 to 13 Nov, 05:30)
- "Not signalled" never means dry or safe. This is a computer model, not a warning, and it never changes NBRI's levels. Like the satellite, it reads hill-country rain low and can miss heavy local downpours.
- ECMWF ensemble forecast (open data, CC BY 4.0), run 9 Nov, 17:30, compared with each division's own satellite record.
Weather forecast (Met Dept)
×No advisory for this road
- No Department of Meteorology advisory is in force for Hambantota, Moneragala, Badulla and Kandy.
- Forecast issued 10 Nov, 05:30
- Showers or thundershowers will occur at times in the Northern province and in Trincomalee district.
- Showers or thundershowers will occur elsewhere in the island after 1.00 p.m.
- Covers Kandy, Badulla and Moneragala on this road: Heavy falls above 100mm are likely at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle and Matara districts.
- Covers Hambantota on this road: Showers may occur in the coastal areas of the Southern Province during the morning.
- The general public is kindly requested to take adequate precautions to minimize damage caused by temporary localized strong winds and lightning during thundershowers.
- Covers Kandy, Badulla and Moneragala on this road: Misty conditions can be expected at some places in Western, Sabaragamuwa, Central and Uva provinces and in Galle, Matara and Kurunegala districts during the early hours of the morning.
- Forecast for the main cities, Tuesday, 10 November 2026 (issued 9 Nov, 16:00)
- Kandy: Showers or thundershowers after 1.00p.m. Max 30°C, min 24°C.
- A forecast never lowers or replaces the NBRI landslide warning above.
- Forecast and advisories by the Department of Meteorology, Sri Lanka, as issued. LankaWatch is not an official service.
Rivers and catchments
×Crosses 21 named rivers · 5 basins · rain upstream of Mahaweli Ganga: Rare here (1–2 days a month)
Kirindi Oya · Manik Ganga · Kumbukkan Oya …
ThanamalwilaBelow Alert · River level 1.98 mDepartment’s thresholds: Alert 4, minor flood 5, major flood 5.5 m
River basins along this road
- km 0–73 · Kirindi Oya basin
- km 73–86 · Manik Ganga basin
- km 86–116 · Kumbukkan Oya basin
- km 116–143 · Gal Oya basin
- km 143 · Mahaweli Ganga basin
- km 144–249 · Mahaweli Ganga basin
Satellite rain over these basins
- Mahaweli Ganga basin · Last 3 days: Unusual here (3 days a month)
A whole-basin satellite average against that basin’s own record since 2000, not the area upstream of any one point. Satellites under-read hill rain. Not a warning.
Where this road crosses a river or stream
- km 11 · Kiridi Oya (Kirindi Oya basin) · flows east
0.3 km² drain to this point - km 28 · Kirindi Oya · flows south-east
2.0 km² drain to this point
Thanamalwila, an Irrigation Department gauge 9.3 km upstream (696 km² upstream · rain over that area, Last 24 hours: Unusual here (3 days a month)): no complete 24-hour total (4 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:05.
River level 1.98 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 4, minor flood 5, major flood 5.5 m) - km 42 · Kuda Oya (Kirindi Oya basin) · flows east
300 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month)
Kuda Oya, an Irrigation Department gauge 0.5 km upstream (299 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): no complete 24-hour total (2 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:01.
River level 1.81 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 6.9, minor flood 8.4, major flood 8.8 m) - km 57 · Kirindi Oya · flows south
233 km² drain to this point · rain over that area, Last 3 days: Unusual here (3 days a month)
Wellawaya, an Irrigation Department gauge 6.6 km upstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 58 · Dambakola Ara (Kirindi Oya basin) · flows south-east
3.1 km² drain to this point - km 60–62 · Kirindi Oya · 3 crossings · flows south
0.1 km² drain to this point
Wellawaya, an Irrigation Department gauge 1.1 km upstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 65 · Galamola Ara (Kirindi Oya basin) · flows south-east
6.2 km² drain to this point - km 68 · Kirindi Oya · flows south
143 km² drain to this point
Wellawaya, an Irrigation Department gauge 5.8 km downstream (179 km² upstream · rain over that area, Last 3 days: Unusual here (3 days a month)): at least 8.5 mm in the 24 hours to 10 Nov, 08:30 (1 hourly reading missing); 0 mm in the 3 hours to 10 Nov, 10:02.
River level 1.65 m · Below Alert · steady over about 3 hours (Department’s thresholds: Alert 4.4, minor flood 5.4, major flood 5.9 m) - km 68 · Radapola Oya (Kirindi Oya basin) · flows east
17 km² drain to this point - km 75 · Pilhiyan Ara (Manik Ganga basin) · flows south
0.8 km² drain to this point - km 79 · Kuda Oya (Manik Ganga basin) · flows south
25 km² drain to this point - km 83 · Manik Ganga · flows south
151 km² drain to this point · rain over that area, Last 24 hours: Unusual here (3 days a month) - km 92–102 · Kumbukkan Oya · 10 crossings · flows south-east
222 km² drain to this point
Nakkala, an Irrigation Department gauge 0.7 km upstream (221 km² upstream): 3.3 mm in the 24 hours to 10 Nov, 08:30 (Light); 0 mm in the 3 hours to 10 Nov, 10:00.
River level 1.2 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 6, major flood 7.5 m) - km 108 · Uluassa Ara (Kumbukkan Oya basin) · flows west
26 km² drain to this point - km 129 · Gal Oya · flows north
8.6 km² drain to this point - km 130 · Gala Oya (Gal Oya basin) · flows east
35 km² drain to this point - km 147–150 · Hepola Oya (Mahaweli Ganga basin) · 4 crossings · flows north-west
29 km² drain to this point - km 161 · Hepola Oya (Mahaweli Ganga basin) · flows south
85 km² drain to this point - km 167 · Rathmal Kandura (Mahaweli Ganga basin) · flows west
2.2 km² drain to this point - km 169 · Dambarawa Oya (Mahaweli Ganga basin)
29 km² drain to this point - km 175 · Mahaweli Ganga · flows north
4,071 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Weraganthota, an Irrigation Department gauge 2.5 km upstream (4,059 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): no complete 24-hour total (11 hourly readings missing); 0 mm in the 3 hours to 10 Nov, 10:00.
River level -2.35 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 6, major flood 8 m) - km 181 · Nicatlyadda Oya (Mahaweli Ganga basin) · flows north-west
87 km² drain to this point - km 195 · Kandekumbra Oya (Mahaweli Ganga basin) · flows north-east
1.0 km² drain to this point - km 204 · Kahatagolla Ela (Mahaweli Ganga basin) · flows south-east
1.8 km² drain to this point - km 207 · Ma Oya (Mahaweli Ganga basin) · flows south
1.9 km² drain to this point - km 229 · Huliu Ganga (Mahaweli Ganga basin) · 2 crossings · flows east
133 km² drain to this point - km 245 · Mahaweli Ganga · flows south-east
1,320 km² drain to this point · rain over that area, Last 3 days: Rare here (1–2 days a month)
Peradeniya, an Irrigation Department gauge 12.4 km upstream (1,143 km² upstream · rain over that area, Last 3 days: Rare here (1–2 days a month)): 16 mm in the 24 hours to 10 Nov, 08:30 (Moderate); 0 mm in the 3 hours to 10 Nov, 10:07.
River level 3.4 m · Below Alert · falling over about 3 hours (Department’s thresholds: Alert 5, minor flood 7, major flood 9 m)
And 11 more unnamed streams on our map
Where this road runs beside a river
- km 56–58 · beside the Kirindi Oya
- km 60–61 · beside the Kirindi Oya
- km 91–92 · beside the Kumbukkan Oya
- km 92–94 · beside the Kumbukkan Oya
- km 95–99 · beside the Kumbukkan Oya
- km 148–151 · beside the Hepola Oya
Rivers and basins come from our own map of Sri Lanka’s river network. Flow direction, where shown, is worked out from the height of the land. This is orientation only, not a flood warning.
The area draining to a crossing is worked out from a terrain model (about 90 m cells) and is approximate. The rain over it is the satellite average for that same area, against its own record since 2000. Areas under about 150 km² are smaller than the satellite can see, so they show no rain.
River levels are the Irrigation Department’s own readings at its gauge, against its own thresholds. This is not a flood warning: flood warnings come from the Irrigation Department and DMC.