Grotte a Jean-Claude
Protected Area
Îlot Ténia
Why dive here
With 73+ marine species recorded in the area - including dugongs, great white sharks, humpback whales and sperm whales - Grotte a Jean-Claude offers some of Prony Bay's richest cave diving. Water ranges 22-27°C, warmest January, February, March.
Prony Bay’s Grotte a Jean-Claude offers a dark, atmospheric cave dive. We typically find a good number of reef sharks patrolling the entrance, then inside it’s mostly about the structure itself. It’s an interesting spot if you're comfortable in overhead environments and enjoy the thrill of exploring confined spaces, but perhaps less appealing if you're looking for abundant fish life.
Safety Notes
Overhead environment - never enter without proper cave/cavern training, redundant equipment, and a guideline.
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Conditions
Ocean conditions, forecast and tides for Grotte a Jean-Claude
Grotte a Jean-Claude Ocean Conditions
Monthly averages for Grotte a Jean-Claude, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-22.43, 166.43) (4km away)
October Averages
Sea Temperature
23°C
74°F · Range: 21.8–26.2°C
Current Speed
6.71 cm/s
Direction: SW (206.6°)
Chlorophyll-a
0.061 mg/m³
Very clear (oligotrophic)
Salinity
35.39 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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