Passe de Mato
Protected Area
Réserve de la passe Amédée
Why dive here
With 73+ marine species recorded in the area - including dugongs, great white sharks, humpback whales and sperm whales - Passe de Mato offers some of Prony Bay's richest wreck diving. Water ranges 22-27°C, warmest January, February, March.
Passe de Mato, two hours south of Nouméa, definitely earns its spot. It's an outer channel, so you'll feel the ocean's surge, but that energy brings the big stuff in. We love dropping onto the plateau at 10 metres, then drifting along the wall as it falls to 25 metres. The visibility here, averaging 19 metres, means you can really appreciate the scale. We've seen oceanic manta rays glide past in the blue, and there’s always a chance for a great white, though they’re shy. The reef itself is a mix of staghorn and branch corals, with plenty of macro life if you look closely: Acropora Coral Crabs scuttling, maybe a Striated Locust Lobster peeking out. This is a dive for those who enjoy a bit of current and the thrill of open ocean encounters. Expect a proper channel dive; it's less about lingering in one spot and more about a flowing exploration.
Safety Notes
Wreck site - avoid penetration without wreck diving certification. Watch for sharp metal and entanglement hazards.
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Conditions
Ocean conditions, forecast and tides for Passe de Mato
Passe de Mato Ocean Conditions
Monthly averages for Passe de Mato, 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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