Purple Turtle Beach (Portsmouth)

Coast, Portsmouth, Saint John 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 not in any official register — there are no water samples and no classification.

Common questions about this spot

How warm is the water?

Water temperature 29.5 °C — NOAA Geo-Polar Blended (5 km), measured 04/11/2026 08:00.

When is high and low tide?

Low tide at 20:33, High tide at 03:36 (Local time at the spot).

Swimming spots in Portsmouth · Saint John Parish · Swimming spots in Dominica · Caribbean Sea · On the map