HI20-0139 – Residency
6th sighting in Au'au Channel
HI20-0139 @40291
Jan 26 – Feb 24, 2026 · Au'au Channel
Au'au Channel · Jan – Feb 2026
251 m
Deepest dive
8:38
Longest dive
67
Dives
- Sightings
- 3
- Days between first and last sighting
- 29
- Deepest dive on record
- 251 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jan 26, 2026 | 78 m | 25.4°C | 34 m |
| Feb 24, 2026 | 47 m | 24.5°C | 40 m |
| Feb 24, 2026 | 1,139 m | 24.6°C | 251 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
251 m
Deepest dive
8:38
Longest dive
67
Dives
23 m
Avg dive depth
3
Sightings
29
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 (1,139 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 24, 2026
measured- Seafloor depth
- 1,139 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 47 m – 1,139 m
- Sea-surface temperature
- 24.5°C – 25.4°C
- Distance from shore
- 3.0 km – 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.