Caernarfon Notice to Mariners 21/2026

Notices to Mariners, Safety, Sailing

Open Water Swim Event – Monday, 31st August, 2026.

An Open Water Swim Event will commence at 11:45 from Beaumaris Slipway and finish at Caernarfon Castle – ETA 15:30. 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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