Coast, Great River, 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 15.1 °C — NOAA Geo-Polar Blended (5 km), measured 03/11/2026 07:00.
Low tide at 22:06, High tide at 04:30 (Local time at the spot).
Swimming spots in Great River · Suffolk County · Swimming spots in the United States · Atlantic Ocean · On the map