📢 Please take a minute to read this personal message from the creator of River Levels UK
This is an archived message. The status has changed more recently.
Flooding possible. Be prepared.
Flooding of low-lying land and roads is expected. Rainfall is currently affecting this area. River Levels will be above normal levels. We will continue to monitor the situation.
Information supplied by Natural Resources Wales / Cyfoeth Naturiol Cymru
This information last updated 6:39pm, Wednesday 17th December 2025.
This page is a dedicated URL for a specific message issued at a particular time. You should not bookmark this page, as the current situation may have changed since this message was issued.
Warning no longer in force
Fri 19 Dec 2025, 12:00pm
Flood Alert
Wed 17 Dec 2025, 6:39pm
Warning no longer in force
Tue 16 Dec 2025, 10:43am
Flood Alert
Sun 14 Dec 2025, 7:24pm
Warning no longer in force
Wed 10 Dec 2025, 4:40pm
Flood Alert
Tue 9 Dec 2025, 7:05am
Warning no longer in force
Sat 6 Dec 2025, 6:54pm
Flood Alert
Fri 5 Dec 2025, 8:19pm
Warning no longer in force
Wed 3 Dec 2025, 9:16am
Flood Alert
Mon 1 Dec 2025, 6:53am
Areas around the rivers of North West Wales, from Abergwyngregyn to Aberdaron.
Region: North
Country: Wales
Watercourses covered: Adda, Seiont, Gwyrfai, Carrog, Llyfni, Desach, Dwyfach, Wen, Rhyd Hir, Erch, Soch, Daron, Cyllfelin
The area bounded in blue on the map shows the area covered by flood alerts and warnings for North Gwynedd Catchment.
Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.