Caernarfon Notice to Mariners 18/2026

Open Water Swim Event – Friday, 28th August, 2026.

An Open Water Swim Event will commence at 10:15 from Beaumaris Slipway and finish at Caernarfon Castle – ETA 14:00. 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

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

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