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