HIHWNMS-2017-1-25_G03A04 – Residency
9th sighting in Au'au Channel
HIHWNMS-2017-1-25_G03A04 @36937
Dec 19, 2025 – Jan 28, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
71 m
Deepest dive
2:13
Longest dive
54
Dives
- Sightings
- 6
- Days between first and last sighting
- 40
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 19, 2025 | 1,236 m | — | 67 m |
| Dec 24, 2025 | 48 m | — | 40 m |
| Jan 24, 2026 | 42 m | 25.3°C | 38 m |
| Jan 28, 2026 | 42 m | 25.6°C | 34 m |
| Jan 28, 2026 | 39 m | 25.7°C | 28 m |
| Jan 28, 2026 | 83 m | 25.7°C | 71 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
71 m
Deepest dive
2:13
Longest dive
54
Dives
21 m
Avg dive depth
6
Sightings
40
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 (83 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 28, 2026
measured- Seafloor depth
- 83 m
- Sea-surface temperature
- 25.7°C
- Distance from shore
- 5.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 39 m – 1,236 m
- Sea-surface temperature
- 25.3°C – 25.7°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.