Diving in Wales reveals spectacular reefs, dramatic drop-offs, and pinnacles teeming with marine life. Along Wales’s stunning coastline, you can encounter dolphins, whales, sharks, and playful seals. The country’s rugged beauty offers endless dive sites for all skill levels. Key dive areas include Pembrokeshire in the southwest, known for Pembrokeshire National Park and Skomer Island, famous for large seal colonies. In the northwest, Anglesey boasts numerous mysterious wrecks, some yet to be discovered. Wales is a must-visit destination for cold water diving adventures rich in wildlife and underwater history.
The main diving months in Wales are from April to October, when water temperatures and visibility are at their best. However, experienced divers can explore Welsh waters all year with a drysuit, hood, and gloves for colder conditions. Water temperatures range from about 4°C (39°F) in spring to 14°C (57°F) in late summer. The summer and early autumn months offer calmer seas and warmer waters, perfect for discovering reefs, wrecks, and marine life. Whether diving in spring or autumn, Wales provides excellent cold water diving opportunities for all levels.