Category: Notices to Mariners

Aid to Navigation Starboard No C9 ( Y Felinheli) Fl(3).G 10s is now on its new station

53°10’.74 N 004°13’.56 W

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Aid to navigation Fairway Buoy L FL10s is not on station.

53° 06’.95 N 004°25’.14 W

The Aid to navigation has been temporarily discontinued for the winter.

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

All mariners are advised that Conwy Marina will commence a dredging campaign under marine licence DML 1833v3, commencing on 02/11/2026.

A further LNtM will be issued in respect of the dredge outfall buoy position.

Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master

Aid to navigation Starboard “Traeth Gwyllt” Fl(2)G.10s is on its appropriate station.

53° 09’.27 N 004°16’.09 W

Mariners are advised that this notice herby corrects and cancels Notice 22/26

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Open Water Swim Event – Sunday, 27th September, 2026.

An Open Water Swim Event will commence at 11:10 from Menai Bridge Slipway and finish at Y Felinheli Slipway – ETA 13:10. Swimmers will be keeping to the Anglesey side and will cross over at Plas Newydd, ETA – 12:40. 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

Open Water Swim Event – Sunday, 27th of September, 2026.

An Open Water Swim Event will commence at 10:45 from Y Foel Slipway, Anglesey and finish Porth yr Aur Slipway, Caernarfon – ETA 11:45. They will be accompanied by safety powerboats.

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

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Open Water Swim Event – Saturday, 26th of September, 2026.

An Open Water Swim Event will commence at 10:40 from Menai Bridge Slipway and finish at Nelsons Statue beach – ETA 12:00. Swimmers will be keeping to the Anglesey side.

Statue beach – ETA 12:00. Swimmers will be keeping to the Anglesey side. 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

All mariners are advised that Deganwy Marina channel lateral mark is unlit.

53° 17.37N 003° 49.80 W  

Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master

All mariners are advised that LNtM 16 of 2026 is now cancelled.

Matthew Forbes
MSc LLB (hons) BSc AFNI
Conwy Harbour Master