Coast, Shikinejima, Ōshima Shichō. 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 25.9 °C — NOAA Geo-Polar Blended (5 km), measured 22/09/2026 21:00.
High tide at 04:03, Low tide at 10:14 (Local time at the spot).
Swimming spots in Shikinejima · Ōshima Shichō · Swimming spots in Japan · Pacific Ocean · On the map