Coast, Santo Isidoro, Mafra. 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 17.2 °C — NOAA Geo-Polar Blended (5 km), measured 04/11/2026 12:00.
Low tide at 07:00, High tide at 13:09 (Local time at the spot).
Swimming spots in Santo Isidoro · Mafra · Swimming spots in Portugal · Atlantic Ocean · On the map