Kilcolgan water level

Name: Kilcolgan water level (Office of Public Works (waterlevel.ie))
Creator: Office of Public Works (waterlevel.ie)
License: https://creativecommons.org/licenses/by/4.0/

River gauge, Dunkellin, Galway, Ireland

Directions

Normal for mid-October

Water level

0.82m Steady over the last 24 hours

Measured 17 Oct 2026, 21:00 GMT+1 (15 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Kilcolgan, where the gauge shows 0.82 m.

The median for mid-October is 0.70 m, based on 20 years of readings, so the river level is 0.12 m above typical. On the same day last year the reading was 0.63 m, a difference of +0.19 m.

It has barely moved over the past 24 hours. The 30-day range is 0.44 m – 0.86 m.

Autumn rain usually starts to lift rivers again after the summer low.

Compared with 20 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 0.70 m0.12 m above the median for this date
Normal for this date: 0.41 m – 1.12 m8 years in 10 fall in this range (20 years of records)
Same day last year: 0.63 m+0.19 m
Lowest and highest in 30 days: 0.44 m – 0.86 m
Lowest and highest in 12 months: 0.14 m – 1.52 m
Highest on record: 2.86 m

For anglers and canoeists

This is an ordinary level for the river: most put-ins, beats and weirs behave as they usually do.

Many angling and canoe clubs check gauges like this one before heading out.

Weather at the gauge

Rain in the last 3 days: 13 mm. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 12° -1° – Wind 10 km/h

18 Sun 13° 0° – Wind 8 km/h

19 Mon 13° -1° – Wind 16 km/h

20 Tue 14° 7° 12 mm, 69% Wind 28 km/h

21 Wed 11° 6° 1.6 mm, 59% Wind 22 km/h

22 Thu 11° 4° 5.9 mm, 88% Wind 18 km/h

23 Fri 10° 3° 1.2 mm, 80% Wind 25 km/h

Forecast: Open-Meteo

Sunrise 08:06 AM Sunset 06:37 PM Daylight 10 hr, 31 min First quarter 43%

Map

Other gauges on the Dunkellin

Gauge	Level	Compared with normal	24 hours	Distance
Rahasane TurloughLake, Dunkellin	1.69 m	Normal	+0.01 m	4.2 km
CraughwellRiver gauge, Dunkellin	0.78 m	Normal	−0.06 m	9.1 km

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
ClarinbridgeTidal gauge	0.73 m	Normal	−0.12 m	1.7 km
CaherfineskerRiver gauge, Lavally	0.89 m	Normal	−0.18 m	7.9 km
Aggard BridgeRiver gauge, Aggard	0.69 m	Normal	−0.02 m	8.6 km
RathgorginRiver gauge, Raford	0.75 m	Normal	−0.02 m	14 km
Galway Barrage D/SRiver gauge, Corrib	1.46 m	Normal	−0.03 m	14 km
Galway BarrageRiver gauge, Corrib	0.21 m	Normal	−0.02 m	14 km
Quincentennial BridgeRiver gauge, Corrib	0.66 m	Normal	−0.02 m	15 km
BallycahalanTidal gauge, Ballycalahan	0.42 m	Normal	−0.09 m	15 km

Questions and answers

Is the Dunkellin at Kilcolgan higher than last year?

Yes, it is 0.19 m higher than on the same day last year, when the reading was 0.63 m.

What is a normal level for the Dunkellin at Kilcolgan in mid-October?

The median for mid-October is 0.70 m. In 8 years out of 10 the reading falls between 0.41 m and 1.12 m, based on 20 years of records.

Is the river level the same as the depth of the water?

No. The reading is measured from a fixed zero mark at the gauge, so 0.82 m on the gauge does not mean the water is that deep.

What is the water level of Kilcolgan today?

On 17 Oct 2026, 21:00 GMT+1, the water level was 0.82 m. Steady over the last 24 hours.

Is Kilcolgan rising or falling?

Steady over the last 24 hours. Up 0.03 m over the last 7 days.

Is the level of Kilcolgan normal?

Normal for mid-October. Compared with 20 years of daily readings for this time of year.

What is the highest water level ever recorded at Kilcolgan?

The highest level on record is 2.86 m.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Office of Public Works (waterlevel.ie)
Station code: opw:29011 (Agency page)
Coordinates: 53.21411, -8.87133 (WGS84)
Vertical datum: OD Malin Head OSGM15
Gauge zero: 1.152 m
Update interval: every 15 minutes
Licence: CC BY 4.0. Contains Irish Public Sector Information licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence (source waterlevel.ie - provided by the Office of Public Works)

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	0.82 m	2026-10-17 20:00	Provisional

Download

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How to cite

Office of Public Works (waterlevel.ie): Kilcolgan (opw:29011). Accessed October 17, 2026 via Nivelmap, https://nivelmap.com/en/ireland/galway/kilcolgan

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer