Blue Lagoon
Why dive here
With 146+ marine species recorded in the area - including blacktip reef sharks, dolphins, giant moray eels, octopuses and sperm whales - Blue Lagoon offers some of Rangiroa's richest reef diving. Water ranges 27-29°C, warmest February, March, April.
Rangiroa's Blue Lagoon is a tranquil, shallow area, perfect for a relaxed second dive or a surface interval. We often see blacktip reef sharks patrolling the sandy bottom, sometimes even lemon sharks. It’s an ideal spot for newer divers or those looking for a gentle drift, away from the bigger currents of the passes. Bring your wide-angle lens for those shark encounters.
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Conditions
Ocean conditions, forecast and tides for Blue Lagoon
Blue Lagoon Ocean Conditions
Monthly averages for Blue Lagoon, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (-14.98, -147.62) (32km away)
October Averages
Sea Temperature
28°C
82°F · Range: 27.2–28.7°C
Current Speed
11.05 cm/s
Direction: W (264.8°)
Chlorophyll-a
0.062 mg/m³
Very clear (oligotrophic)
Salinity
36.23 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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