Caernarfon Harbour Trust is the Statutory Harbour Authority responsible for the regulation and provision of safe navigation throughout the harbour limits. Caernarfon Harbour Trust harbour limits are bounded by the Menai Suspension Bridge and Caernarfon Bay. It is also the Competent Harbour Authority responsible for the provision of pilotage throughout the Menai Strait.
The Trust provides and maintains a number of moorings in the River Seiont and Port Dinorwic. Additionally, it also serves as manager for Victoria Dock Marina, Caernarfon.
The Trust provides and maintains a number of moorings in the River Seiont and Port Dinorwic. Additionally, it also serves as manager for Victoria Dock Marina, Caernarfon.
Latest Notice to Mariners
Local Notice to Mariners 34/2025
34-25 NtoM 09/12/2025 – Y Fenai – Siart 1464 – Menai Strait – Chart 1464 Menai Strait Cynghorir morwyr fod Gardinal De “Craig Swelly” Mae’r gardinal wedi’i oleuo. 53̊ 13.16 Gog 004̊ 10.45 Gor Mae Hysbysiad i Forwyr 33/2025 yn … Continue reading →
Recent News
Nominations for Trustees – 2025
Public Notice Caernarfon Harbour Trust:- The Caernarfon Harbour Trust (Constitution) Harbour Revision Order 2012 Pursuant to Article 3 of the Caernarfon Harbour Trust (Constitution) Harbour Revision Order 2012, nominations are requested for the appointment of Trustees. Caernarfon Harbour Trust is … Continue reading →


