Conwy Notice to Mariners 13/2023

All mariners are advised that dredging operations will commence at Deganwy Marina on 01/11/2023 for two months.

A dredge discharge pipe will be laid in position latitude 53° 17.44’ North longitude 003° 49.73’ West and marked with a yellow special mark with a light sequence of quick flashing yellow.

A further cancellation notice will be issued once operations are complete.

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

Conwy River Channels At Low Water

Some of our members have been taking drone footage and photos of the Conwy River channels at low water, to help with navigating the area.

The following photos were taken in late September 2023 on a low tide of 0.5m.

The following drone footage was taken in early September 2023 on a low tide of 0.8m:

Caernarfon Notice to Mariners 11/2023

On Saturday the 19th and Sunday the 20th of August Caernarfon Harbour is hosting the OCRDA Powerboat racing.

Mariners are advised that there will be Powerboat and Jest ski racing in the area outside the River Seiont and Victoria Dock There will be potential delays in being able to navigate inbound and outbound of both the River Seiont and the Victoria Dock. Please be patient and follow the official’s requests.

Navigation inside the BLUE area is strictly prohibited during the racing times.

Please contact the Dock Master on VHF ch80 for further info on the race days.

Timetable (approximate)

Race Admin (When not Racing)15:00 – 17:0009:00 – 17:0009:00 – 15:30
Scrutineering (Majority to be done on Friday)15:00 – 17:0008:00 – 08:3008:00 – 08:30
OCR / Jet Ski / Safety Briefing09:00 – 09:30TBA – If Req
Launching OCR / Jet Ski09:30 – 11:0010:00 – 12:00
Jet Ski Races 1 & 3 – 25 min + Lap11:00 – 11:3012:00 – 12:30
OCR Races 1 & 3 – 25 min + Lap11:45 – 12:1512:45 – 13:15
OCR Races 2 & 4 – 25 min + Lap12:30 – 13:0012:45 – 13:15
Jet Ski Races 2 & 4 – 25 min + Lap15:00 – 15:3014:20 – 14:50
Prizegiving16:00 – TBC
Marina Gate ClosesHigh(09:50) 12:32(11:00) 13:04
Low 19:15 19:46

David John O’Neill
Harbwr Feistr Caernarfon Harbour Master

Conwy Notice To Mariners 10/2023

Mariners are advised that two spat collectors, a type of aquaculture equipment, will be deployed at the following locations on Thursday 17th August 2023. Both collectors will be buoyed and the equipment will be recovered in November / December. Please see attached a map attached illustrating these locations on the nautical chart.

Spat collectorLatitude Longitude
A53° 18.601973-3° 53.085061
B18.616743-3° 52.849268

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

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