Coast, Rhosneigr, Anglesey. We calculate high and low water here from an ocean tide model — accurate to about 5 cm on open coasts, considerably less in tidal flats and river mouths. The responsible authority classified the water quality in the 2025 season as excellent.
The responsible authority classified the water quality in the 2025 season as excellent.
Water temperature 16.7 °C — NOAA Geo-Polar Blended (5 km), measured 19/09/2026 13:00.
High tide at 19:41, Low tide at 01:39 (Local time at the spot).
Swimming spots in Rhosneigr · Anglesey · Swimming spots in the United Kingdom · Irish Sea · On the map