Pinnacle Au Au Crater
Kona Coast · United States
Volcanic pinnacle rising from a sandy plain off Kona's south coast with lava arches, swim throughs, and a resident garden eel colony at the base. Dolphins and pilot whales pass overhead and the occasional tiger or oceanic whitetip cruises through.
Conditions
Depth
15 to 30 m
Open water and up
Current
Can be moderate
Can pick up on the edge
Visibility
25 to 40 m
Clearest in the calm season
Water
23 to 28°C
Tropical wetsuit
Month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Water (°C) | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 26 | 25 | 24 |
| Vis (m) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Current | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
Your chances of seeing each animal
Hawaiian green turtle
Last confirmed Jul 4, 2026 · 379 records
Almost always
Nearly every dive
Yellow-Billed Cardinal
Last confirmed Jul 4, 2026 · 381 records
Almost always
Nearly every dive
Thin-Shelled Rock Crab
Last confirmed Jun 26, 2026 · 255 records
Almost always
Nearly every dive
Spinner dolphin
Last confirmed May 15, 2026 · 45 records
Almost always
Nearly every dive
Pilot whale
Last confirmed May 26, 2026 · 65 records
Almost always
Nearly every dive
Garden eel
Expected
Known here, not yet in recent logs
Gear