Coast, Grand Isle, Jefferson Parish. 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 29.9 °C — NOAA Geo-Polar Blended (5 km), measured 19/09/2026 07:00.
High tide at 05:06, Low tide at 16:51 (Local time at the spot).
Swimming spots in Grand Isle · Jefferson Parish · Swimming spots in the United States · Gulf of Mexico · On the map