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