Anglesey Bank Holiday Weekend - 3rd - 5th May 2025
A big thank you to Phil, Dave and Steve for ensuring that the repairs to Top Cat‘s trailer were all sorted prior to this trip. We got the boat prepped and set off from Macclesfield to Anglesey for a weekend of diving in superb weather.
We met each morning at Trearddur Bay car park to prep and load the trailer. Phil had planned a slack water and a non-tidal dive for Saturday and Sunday and a non-tidal dive for Monday. The forecast was for cool, dry weather with Force 3 to 4 North Easterly winds.
Dive sites:
Saturday, meet 8.30am.
AM: The Coastguard Station 17-18m.
PM: Pinnacle A 24m.
Sunday, meet 7.30am.
AM: Caernarfon Bay Light Vessel 34m.
PM. The Beacons North.
Monday, meet 8.30am.
AM The Beacons South 17m.
The water temperature was 11C and the vis 4m except in Caernarfon Bay where the plankton bloom reduced it to 1-2m (the strobe on the shot line was invaluable). The wind chill was significant throughout the weekend.
The diving was good and the marine life included: Boring, Crater, Elephant Hide, Black Tar, Myxilla and Hedgehog sponges: Sea Orange: Antenna, Indian Feather, Herringbone and Helter Skelter hydroids: Deadmens Fingers, Hornwrack,: Dahlia, White Striped, Plumose and Snakelocks anemones: Double Spiral worms: Crawfish, Squat and Common Lobster, Spiny Spider, Edible, Hermit and Velvet Swimming Crab, Sea Lemon and several species of nudibranch, Sunstar, Bloody Henry and Common Starfish, Crevice Sea Cucumber, Club, Lightbulb and Star Sea Squirt, Prawns, Octopus, Ballan Wrasse, female Cuckoo Wrasse Gold Sinny, Scorpion Fish, Butterfish, Tompot Blenny, Cling Fish shoals of Bib, Cat Shark, Conger eel.

Best finds: Octopus, Crawfish, several species of nudibranch, Cling fish, Conger Eel. Mating Spider Crabs.
The Light Vessel although only the size of a badminton court is well worth the 50-minute journey as it is plastered in Plumose Anemone and is home to several large Conger eels and Lobster plus shoals of Bib which flash silver in torch light.
Thanks to Tim for filling cylinders on Saturday evening, to Anna for organising the curry night at The Sopna to celebrate Mark’s birthday, to Phil for planning and organising the weekends diving, towing, launching and recovering Top Cat. Thanks to Tim, Phil and Mark for coxing the boat. Thanks to Meg for photos and video.
A very successful, full on, 3-day dive trip with buddies Meg & Vladimir, Mark & Anna, Tim, Phil & yours truly.
Trip report – Pat Spencer
Photos – Meg Barstow






