HI17-0020 – Residency
8th sighting in Au'au Channel
HI17-0020 @33256
Dec 29, 2025 – Mar 17, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Mar 2026
54 m
Deepest dive
2:49
Longest dive
51
Dives
- Sightings
- 4
- Days between first and last sighting
- 79
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 29, 2025 | 42 m | — | 30 m |
| Dec 29, 2025 | 60 m | — | 47 m |
| Feb 19, 2026 | 50 m | 24.6°C | 35 m |
| Mar 17, 2026 | 61 m | 24.5°C | 54 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
54 m
Deepest dive
2:49
Longest dive
51
Dives
19 m
Avg dive depth
4
Sightings
79
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 (61 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 17, 2026
measured- Seafloor depth
- 61 m
- Sea-surface temperature
- 24.5°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 61 m
- Sea-surface temperature
- 24.5°C – 24.6°C
- Distance from shore
- 2.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.