Caernarfon Notice to Mariners – Open Water Swim Event

Open Water Swim Event – Saturday, 18th July, 2026.

An Open Water Swim Event will commence at 13:50 from Menai Slipway and finish at Y Felinheli – ETA 15:50. Swimmers will be keeping to the Anglesey side and will cross over at Plas Newydd – ETA 15.20

They will be accompanied by safety kayakers and powerboats.

Please exercise caution when navigating in the vicinity of the event.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Conwy Notice to Mariners 12/2026

All mariners are advised that a pontoon and mooring have dragged to the south side of Conwy Bridge.  The position is latitude 53° 16.7’ north, longitude 003° 49.1’ west.  The pontoon should be passed at minimum distance of 50 metres as a submerged mooring buoy is also present. The pontoon is unlit.

A cancelation notice will be issued when the obstructions are removed.

Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master

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