Coast, Nantucket, Nantucket County. 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 officially monitored, but the responsible authority publishes no annual classification of the water quality.
Water temperature 20.0 °C — NOAA Geo-Polar Blended (5 km), measured 19/09/2026 08:00.
High tide at 16:55, Low tide at 00:07 (Local time at the spot).
Swimming spots in Nantucket · Nantucket County · Swimming spots in the United States · Atlantic Ocean · On the map