River levels across Ireland, gauge by gauge.
Live water levels from 67 public gauges, and an archive that keeps every reading after the official five-week window closes.
Not a flood warning service. Readings can be wrong or late. For flood information use floodinfo.ie; for weather warnings, Met Éireann.
Each spike is a gauge. Height shows where the level sits between the lowest and highest this archive has seen there. Tall means high for a short record, not dangerous. Purple is the top of the range. Grey spikes are tidal. Rings have sent nothing for over a day.
Newest reading 13:30 on 2 Nov, Irish time. Collecting since 2 Nov 2026, 33 minutes so far. Readings from 28 Sept 2026 onward come from the OPW’s five-week file, saved on the first run.
Riverbook is not a flood warning service.
Readings are unchecked and can be wrong or late. A low reading tells you nothing about a road, a bank or how the water will behave next. For flood information use floodinfo.ie, for weather warnings Met Éireann. If life is at risk, call 112 or 999.
Highest in their own range
Gauges nearest the top of what this archive has recorded. Tidal gauges are left out.
- Lady's IslandLady's Island Lake 4.00 m steady over 3 hours
- Moyles MillRiver Fane 0.85 m steady over 3 hours
- ClarebaneRiver Fane 0.87 m steady over 3 hours
- Tallanstown WeirRiver Glyde 0.65 m steady over 3 hours
- O'Dalys BridgeRiver Blackwater (Kells) 0.76 m down 1 cm in 3 hours
- KillyonRiver Deel (Raharney) 0.52 m steady over 3 hours
Rising fastest
Biggest rise over about three hours, from readings in the last two hours.
- Bridgetown BridgeRiver Bridgetown 0.37 m up 46 cm in 3 hours
- Rafter Bridge D/SRiver Slaney 0.91 m up 6.6 cm in 3 hours
- Rafter Bridge U/SRiver Slaney 0.91 m up 5.8 cm in 3 hours
- St. Johns BridgeRiver Urrin 0.86 m up 5 cm in 3 hours
- Cull Pump HouseBallyteige Lagoon 1.13 m up 2.5 cm in 3 hours
Why keep an archive
The OPW’s live site, waterlevel.ie, shows five weeks of readings. Riverbook saves each one as it arrives, so every gauge can answer a simple question: when was it last this high? The answer gets better the longer it runs. For checked long-term records, use the OPW’s Hydro-Data site.