Caernarfon Notice to Mariners 05/2026

Open Water Swimming Event. Sunday, 31st May, 2026.

An Open Water Swimming Event will commence at 10:40am from Menai Slipway and finish at Y Felinheli – ETA 12:40pm . Swimmers will be keeping to the Anglesey side and will cross over at Plas Newydd – ETA 12:10pm .

They will be accompanied by safety kayakers and powerboats.

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

This notice replaces NtoM 31-05-26

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

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