Flood Warning Area Information for Gwynedd

Click on a flood area name to view live flood alerts and warnings and historical flood information.
The area inland of the dunes from Glan-y-Don Industrial Estate to Glan y Morfa including parts of the A497 Abererch Road

Parts of the town including the Wharf, Sea View Terrace, Bath Place and Terrace Road

Areas around the rivers across the whole of the island

Parts of Hirael Bay from the swimming pool to the Nelsons Arms on Beach Road

Parts of the town including the north end of the promenade, Hendre Mynach caravan park, the harbour and Church Street

Parts of the town from Heol Llywelyn to the Football Ground area

Parts of the town between Gallows Point and the Castle including Castle Street, Victoria Terrace, the A545 and Mill Lane

Porth yr Aur to St Helen's Road

Areas around the river Conwy from Dolwyddelan to Conwy

Parts of the village including Dwyran Primary School, Lon Capel, the A4080 road and Pont Cadach

Areas around the river Dyfi, from Dinas Mawddwy and Llanbrynmair to the estuary, including Machynlleth

Areas around the river Dysynni from Tywyn to Minffordd

The community of Fairbourne and inland around the railway line as far as Morfa Mawddach station

The western edge of the village behind the sea defence, including the golf course, Penrhyn Drive North and Penrhyn Drive South

Coastline around the holiday park

Areas around the river Glaslyn and river Dwyryd, from Dyffryn Ardudwy to Nant Gwynant

Areas around the River Leri including Borth, Dol y Bont, Tal y Bont and other minor watercourses from Bont Goch to Glaspwll

Areas along the North West Wales coastline from the Menai Straits to Borth

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

Parts of the village from Beach Road to River Treflys, including Greenacres Caravan Park, Glan Aber Caravan Park and Porthmadog Golf Club

Areas around the rivers of North West Wales, from Abergwyngregyn to Aberdaron

Areas along the North Wales coast from the Dee estuary to the east coast of Anglesey

Porthmadog Harbour including Lombard Street and High Street

The area inland of the sand dunes from Pont Rhyd John to the Golf Course and also covers Ala Road, West End and South Beach to the Harbour

From the bay by St David's Holiday Park to St Dona's Church, Llanddona

Parts of Bangor including Caernarfon Road, Bryn Llwyd, West End, Farrar Road, Sackville Road and Glanrafon

Properties and businesses along the River Dee floodplain from Llanuwchllyn to Llangollen

Properties around Pont ar Ddyfi and the A487

Parts of the village near Pont Abererch, including Glan Erch and Post Office Terrace

River Glaslyn and Dwyryd

Riverside Terrace and the A499

Parts of Dolgellau from Marian Mawr Recreation Ground to Arran Road

Rivers in North Ceredigion including the Leri, Clarach and minor watercourses north of Talybont

Parts of the town of Bala, including the leisure centre, Tegid Street and the High Street

Parts of the village including Lon St Ffraid and Lon Towyn Capel

The area inland of the railway line from the Dysynni Bridge to Gwalia Road

Areas around the River Dee from Llanuwchllyn to Llangollen

Areas on the western coast of Anglesey, from Cemlyn Bay to Llanddwyn Island

Parts of the village on Beach Road