Coast, St Anne, Alderney. 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 18.4 °C — NOAA Geo-Polar Blended (5 km), measured 20/09/2026 13:00.
Low tide at 11:50, High tide at 17:24 (Local time at the spot).
Swimming spots in St Anne · Alderney · Swimming spots in Guernsey · English Channel · On the map