Caernarfon Notice to Mariners 19/2026

Open Water Swim Event – Saturday, 29th August, 2026.

An Open Water Swim Event will commence at 10:45 from Beaumaris Slipway and finish at Caernarfon Castle – ETA 14:30. Swimmers will be keeping to the Anglesey side and will cross over at Plas Newydd.

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

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