Kai Koa – Residency
15th sighting in Au'au Channel
Kai Koa @29338
Dec 10, 2025 – Jan 26, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
88 m
Deepest dive
4:01
Longest dive
51
Dives
- Sightings
- 4
- Days between first and last sighting
- 47
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 10, 2025 | 71 m | 26.1°C | 52 m |
| Dec 25, 2025 | 97 m | 26.5°C | 88 m |
| Dec 29, 2025 | 68 m | 25.3°C | 22 m |
| Jan 26, 2026 | 42 m | 25.4°C | 38 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
88 m
Deepest dive
4:01
Longest dive
51
Dives
23 m
Avg dive depth
4
Sightings
47
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (97 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 25, 2025
measured- Seafloor depth
- 97 m
- Sea-surface temperature
- 26.5°C
- Distance from shore
- 6.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 97 m
- Sea-surface temperature
- 25.3°C – 26.5°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.