River Rhyd Hir at Riverside Terrace, Pwllheli

River levels are rising. Tide locked conditions downstream of Riverside Terrace, Pwllheli are causing river levels to rise. Flooding to property is expected. Flooding of low-lying land and roads is ongoing. Impacts are ongoing. The A499 between Pwllheli and Penrhos is impassable. The rainfall is forecast to continue until approximately 1pm on Tuesday, 9 December 2025. We will continue to monitor the situation. This message will be updated as the situation changes.