Coast, Castel. 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. This spot is not in any official register — there are no water samples and no classification.
Water temperature 17.8 °C — NOAA Geo-Polar Blended (5 km), measured 19/09/2026 13:00.
High tide at 04:45, Low tide at 10:54 (Local time at the spot).
Swimming spots in Castel · Castel · Swimming spots in Guernsey · English Channel · On the map