Milford Haven
Dale
Solva
Tenby
Conwy
Sail Beneath Conwy Castle
Visit Caernarfon Castle
Walk the Pembrokeshire Coast Path
Spot Puffins on Skomer Island
Explore St Davids
Anglesey
Eryri National Park
Portmeirion
Cardiff Bay
Barafundle Bay
The prime cruising season runs from May to September, when daylight is longest and the Irish Sea is at its calmest. July and August bring the warmest air and water temperatures, ideal for exploring the Pembrokeshire coast and offshore islands. Spring and early autumn offer quieter anchorages and excellent wildlife sightings, though visitors should watch for the fast-changing weather typical of the British coast.
Cardiff Airport (CWL) is the principal gateway to south Wales, around an hour’s drive from anchorages at Milford Haven and the Pembrokeshire coast. For the north coast and Anglesey, Liverpool John Lennon Airport is often the more practical option, with Manchester Airport a further alternative for longer transfers. Guests joining in Pembrokeshire sometimes fly into Bristol Airport across the Severn Estuary instead.
Milford Haven is the natural choice, a deep, sheltered waterway lined with marinas and easy access to Pembrokeshire’s coast path. Solva and Dale offer smaller, quieter alternatives nearby, while Tenby’s colourful harbour and walled old town reward a stop further east. On the north coast, Conwy sits beneath its own 13th-century castle, with the Menai Strait providing shelter behind Anglesey when conditions turn.
A week is enough to combine the highlights of one coast, whether that’s Pembrokeshire’s islands and cliffs or the castles and mountains of the north. Ten days to two weeks allows a fuller loop, taking in Anglesey, the Menai Strait and a passage down to Cardigan Bay. Given the tidal ranges and exposed passages involved, it’s worth building in a spare day or two for weather.
The Bristol Channel and Severn Estuary carry one of the largest tidal ranges in the world, with a difference of up to 15 metres between high and low water at Avonmouth on spring tides. Along the south Wales coast this means many harbours, including parts of Milford Haven, are tide-dependent, and currents around headlands like Ramsey Sound can run hard. Skippers plan passages and anchoring around the tide table as carefully as the wind forecast.
