Mawddach and Wnion Catchment

No current or recent warnings at this location.

Most recent flood warnings and alerts for Mawddach and Wnion Catchment

• Warning no longer in force
  Fri 13 Mar 2026, 9:29am

• Flood Alert
  Thu 12 Mar 2026, 6:12pm

• Warning no longer in force
  Fri 27 Feb 2026, 9:03am

• Flood Alert
  Thu 26 Feb 2026, 5:22pm

• Warning no longer in force
  Sun 22 Feb 2026, 9:32am

• Flood Alert
  Sun 22 Feb 2026, 12:49am

• Warning no longer in force
  Mon 12 Jan 2026, 8:16am

• Flood Alert
  Sun 11 Jan 2026, 9:28pm

• Warning no longer in force
  Thu 18 Dec 2025, 8:45am

• Flood Alert
  Wed 17 Dec 2025, 9:49pm

Flood Warning Area Details

Areas around the river Mawddach and river Wnion, from Fairbourne to Ganllwyd and Rhydymain

Region: North

Country: Wales

Watercourses covered: Mawddach, Wnion

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Mawddach and Wnion 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).

Other Nearby Flood Warning Locations