Coast, Shelter Island Heights, Suffolk 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 21.9 °C — NOAA Geo-Polar Blended (5 km), measured 20/09/2026 08:00.
Low tide at 01:52, High tide at 07:52 (Local time at the spot).
Swimming spots in Shelter Island Heights · Suffolk County · Swimming spots in the United States · Atlantic Ocean · On the map