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NRW has no flood warnings or alerts in force in Wales. Last successful check: 2026-09-20 06:48:01 UTC.
No current NRW warning or alert matched the location of Garndolbenmaen. That does not establish warning coverage for the whole town: only these gauge points were checked.
Read Wales’s warnings · Check your area on Natural Resources Wales
Messages: Natural Resources Wales flood warnings API. Warning-area boundaries: Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Reused under the Open Government Licence v3.0. Boundaries from DataMapWales.
No official flood warning is active nearby and the closest river stations are within normal ranges.
Updated 2026-09-20 06:51:00 UTC · Official GOV.UK warnings · Flood preparation & help guide
Garndolbenmaen is a village in the county of Gwynedd, Wales. It lies near the A487, approximately 6 miles (10 km) north west of Porthmadog, in the community of Dolbenmaen, which has a population of 1,300. The closest villages are Dolbenmaen and Bryncir. The Papur Bro, the local Welsh language paper, is called Y Ffynnon . The village itself has a population of around 300.
Flood Zones, Warning Areas and Surface Water are Environment Agency maps and cover England only. Garndolbenmaen is in Wales, so they draw little or nothing here — that is where the map ends, not an absence of flood risk. Natural Resources Wales’s warning areas have their own pages under flood areas.
Garndolbenmaen is monitored by 1 Environment Agency river level station on the Dwyfor, in Gwynedd. Water levels are updated every 15 minutes, providing real-time flood monitoring for the area.
The Dwyfor is monitored by 1 station (Garndolbenmaen). Each station records water levels continuously, with data synced to FloodRadar every 5 minutes.
No Environment Agency flood warning area is mapped within 10km of Garndolbenmaen. That means the EA has not defined a warning target area here, which is not evidence the town cannot flood: warning areas exist where the EA runs a warning service, and surface-water and groundwater flooding have no warning areas at all. The EA’s register covers England only — Garndolbenmaen is in Wales, where the warning service is Natural Resources Wales’s, and FloodRadar publishes its areas alongside the EA’s on the flood areas index.
If flooding is forecast in Garndolbenmaen, call Floodline on 0345 988 1188 for the latest information. Move valuables upstairs, turn off gas and electricity if safe to do so, and avoid walking or driving through flood water. Sign up for flood warnings on any station page above to receive email alerts when water levels rise. For emergency numbers, a preparation checklist and insurance guidance, see our flood help & preparation guide.
Garndolbenmaen gets about 1,575 mm of rain a year on average (wettest month October, 180 mm; driest April, 93 mm). That is 35% wetter than the UK as a whole, which averages 1,163 mm a year. See the rain gauges →
A thirty-year average for the area, not a forecast and not a flood risk on its own. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 2.4 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.
No recorded flood outline within ~5 km of the Garndolbenmaen town centre means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record. The Environment Agency's Recorded Flood Outlines cover England only, and Garndolbenmaen is in Wales — so an empty record here is an absence of coverage, not an absence of floods. Open the recorded-floods map →
Current verdict: Normal. No official flood warning is active nearby and the closest river stations are within normal ranges.
Garndolbenmaen has river level monitoring on Dwyfor — 1 monitoring station in total.
Use the GOV.UK Check for Flooding service (check-for-flooding.service.gov.uk) or call Floodline on 0345 988 1188 (24 hours). You can also set up free FloodRadar email or browser alerts from any station page above.
Follow official advice: move valuables and vehicles to safety, never walk or drive through flood water, turn off gas and electricity if safe, and check on vulnerable neighbours. See our flood preparation guide at floodradar.co.uk/flood-help.
No recorded flood outline is mapped around the Garndolbenmaen town centre means no flood was mapped here, which is not evidence none happened: the Environment Agency mapped only some floods, mapping effort rose sharply after about 2000, and surface-water flooding is largely absent from this record. The Environment Agency's Recorded Flood Outlines cover England only, and Garndolbenmaen is in Wales — so an empty record here is an absence of coverage, not an absence of floods. See the flood history link below.
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