Reef
down to 9 m
Sèche-Croissant
A lagoon coral garden off Maître islet in 8 m of water with no current, home to many fish and good for night dives.
- Open Water
- Turtles
New Caledonia
10 documented dive sites, 5 of them for Open Water divers. Known for manta rays, grey reef sharks and leopard (zebra) sharks.
- Best months
- Apr–Nov
- Water
- 21–28 °C
- Levels
- Open Water, Advanced
- Nearest airport
- NOU
When to go
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
- Best
- Good
- Possible
- Closed
- Not documented yet
New Caledonia in October
Best season- Sea
- 24 °C
- at the surface
- Air
- 26 °C
- 19 °C at night
- Rain
- 160 mm
- average for the year
- Wind
- 11 km/h
- on average
Typical weather, not a forecast: averages for 2021–2025 (air, rain, wind) and 2023–2025 (sea), data from Open-Meteo (ERA5 / Copernicus, Météo-France). Covers an area of roughly 10 to 25 km around the destination.
Diving is possible all year; conditions are generally best Apr–Nov. Dec–Mar is the warm rainy season, when runoff can reduce visibility.
Dive sites in New Caledonia
From the easiest to the most demanding. Levels with a dashed outline are estimates we are still verifying.
Open Water friendly
usual dive down to 18 m5 sitesReef
down to 17 m
Kasmira
A coral mound in Ouaméo Bay at 3-17 m whose highlights are leopard sharks and ribbon eels.
- Open Water
- Leopard (zebra) sharks
For Advanced divers
usual dive down to 30 m5 sitesWall
down to 25 m
Mur aux Loches
A wall in the Dumbéa pass known for hundreds of groupers gathering to spawn in October and November.
- Advanced
- Schooling pelagics
Wreck
down to 26 m
La Dieppoise
A wreck sunk on purpose in 1988, lying at 26 m and home to groupers, jacks, perch and nudibranchs.
- Advanced
- Trevally
Pinnacle
down to 30 m
Gorgones Reef
- Advanced
- Grey reef sharks
Marine life
When the big encounters happen, month by month.
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humpback whalesSource: diveplanit.com | ||||||||||||
| GroupersSource: lonelyplanet.fr | ||||||||||||
| Manta raysSource: newcaledonia.travel |
- Peak season
- Seen
Humpback whales: Jul–Sep. Groupers: Oct–Dec. Manta rays: All year
Also reported here, season not documented yet:
- Grey reef sharks
- Leopard (zebra) sharks
- Turtles
- Eagle rays
- Barracuda
- Trevally
- Nudibranchs
- Pygmy seahorses
- Napoleon wrasse
- Dolphins
- Dugong
- Tuna
Where is New Caledonia?
- Nearest airport
- NOU
New Caledonia: frequently asked questions
- When is the best time to dive New Caledonia?
- The best months to dive New Caledonia are Apr–Nov. Diving is possible all year; conditions are generally best Apr–Nov. Dec–Mar is the warm rainy season, when runoff can reduce visibility.
- Is New Caledonia good for beginner divers?
- Yes, partly: 5 of the 10 dive sites we document are suited to Open Water divers, including Sèche-Croissant, Îlot Maître and Kasmira. The others need more experience or a higher certification.
- What is the water temperature in New Caledonia?
- The water is usually between 21 °C and 28 °C over the year.
- What marine life can you see in New Caledonia?
- Divers regularly see humpback whales (Jul–Sep), groupers (Oct–Dec), manta rays (all year), grey reef sharks, leopard (zebra) sharks and turtles.
- How do you dive New Caledonia?
- The nearest airport is NOU.
About this page
Seasons and marine life come from the sources below. Site levels and depths marked as estimated come from our original catalogue and are being checked one by one. Conditions change: always confirm with a local dive centre.
Your next dive is somewhere out there.
Find my next dive tripPhoto credits
- Sunlight and bubbles in deep blue water, Sarah Lee, Unsplash License, on Unsplash