Lough Derravaragh water level

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

Lake, L. Derravaragh, Westmeath, Ireland

Directions

Within the normal range

Water level

1.49m Steady over the last 24 hours

Measured 18 Oct 2026, 00:00 GMT+1 (21 hours ago)

History

Not enough readings for a chart yet. History builds up with every update.

What this means

Lough Derravaragh is at 1.49 m, within its typical range.

The usual range here runs from 1.22 m to 2.66 m.

It has barely moved over the past 24 hours. In the last month it has stayed between 1.49 m and 1.50 m.

Lakes and reservoirs often sit lower in autumn after a summer of evaporation and use, and recover with the winter rain.

Compared with the normal range the agency publishes for this gauge. How to read levels

Key numbers

Normal range: 1.22 m – 2.66 m
Highest on record: 3.91 m

On the water at Lough Derravaragh

Normal levels mean few surprises on the water: ramps in use and the shoreline where you expect it.

Even in summer, lakes here are often colder than they look. Wear a life jacket on the water.

Weather at the gauge

Rain in the last 3 days: 6.2 mm.

18 Sun 12° -3° – Wind 8 km/h

19 Mon 12° 0° – Wind 15 km/h

20 Tue 13° 6° 2.6 mm, 49% Wind 25 km/h

21 Wed 10° 5° 0.4 mm, 63% Wind 20 km/h

22 Thu 11° 4° 7.0 mm, 79% Wind 18 km/h

23 Fri 10° 6° 11 mm, 78% Wind 26 km/h

24 Sat 13° 7° 5.4 mm, 58% Wind 21 km/h

Forecast: Open-Meteo

Sunrise 08:02 AM Sunset 06:28 PM Daylight 10 hr, 26 min First quarter 52%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Scragh BogRiver gauge, Stream	0.49 m	Normal	−0.01 m	5.1 km
Culleen Fish FarmRiver gauge, Brosna	0.16 m	Normal	±0	7.6 km
Mullingar Pump HseRiver gauge, Brosna	0.23 m	Normal	±0	9.5 km
BallinalackRiver gauge, Inny	0.96 m	Normal	−0.02 m	12 km
Mount NugentLake, L. Sheelin	0.33 m	Low	±0	23 km
KillyonRiver gauge, Deel (Raharney)	0.38 m	Normal	±0	26 km
O'Dalys BridgeRiver gauge, Blackwater (Kells)	0.43 m	Normal	−0.01 m	26 km
StramattRiver gauge, Blackwater (Kells)	0.43 m	Normal	−0.01 m	27 km

Questions and answers

What is the typical range for Lough Derravaragh?

The Office of Public Works (waterlevel.ie) gives a typical range of 1.22 m to 2.66 m for this gauge.

What is the water level of Lough Derravaragh today?

On 18 Oct 2026, 00:00 GMT+1, the water level was 1.49 m. Steady over the last 24 hours.

Is Lough Derravaragh rising or falling?

Steady over the last 24 hours.

Is the level of Lough Derravaragh normal?

Within the normal range. Compared with the normal range the agency publishes for this gauge.

What is the highest water level ever recorded at Lough Derravaragh?

The highest level on record is 3.91 m.

How often is this data updated?

The Office of Public Works (waterlevel.ie) publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the Office of Public Works (waterlevel.ie), the official operator of this gauge, and are published under CC BY 4.0. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: Office of Public Works (waterlevel.ie)
Station code: opw:26082 (Agency page)
Coordinates: 53.61132, -7.30328 (WGS84)
Vertical datum: OD Malin Head OSGM15
Gauge zero: 57.318 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	1.49 m	2026-10-17 23:00	Provisional

Download

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How to cite

Office of Public Works (waterlevel.ie): Lough Derravaragh (opw:26082). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/ireland/westmeath/lough-derravaragh

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