Pinnacle
down to 15 m
Vaka'eitu Bommie
A 6–15 m bommie with bicolor angelfish, freckled hawkfish, puffers and several species of giant clam.
- Open Water
Diving in Tonga
10 documented dive sites, 1 of them for Open Water divers. Known for whitetip reef sharks, humpback whales and nudibranchs.
Pick a month: the diving season, from published sources, and the typical weather.
Pick a month
The windiest month.
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; Jul–Oct is the humpback whale season.
From the easiest to the most demanding. Levels with a dashed outline are estimates we are still verifying.
Swimming with humpback whales is snorkel-only, with licensed operators; scuba diving with whales is not allowed. Groups are limited to 4 swimmers plus a guide, swimmers stay at least 5 m from whales and boats at least 10 m.
Cavern
down to 25 m
Canyon-like ridges, swim-throughs and small caves where Napoleon wrasse cruise and whitetip reef sharks rest on the sand.
Cavern
down to 20 m
Rock formations
down to 25 m
Reef
down to 25 m
When the big encounters happen, month by month.
| Species | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humpback whalesSource: wwhandbook.iwc.int |
Humpback whales: Jul–Oct
Also reported here, season not documented yet:
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 trip