HIHWNMS-2021-2-12_G01A01 – Residency
4th sighting in Au'au Channel
HIHWNMS-2021-2-12_G01A01 @54427
Dec 12, 2025 – Jan 8, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
201 m
Deepest dive
7:10
Longest dive
25
Dives
- Sightings
- 3
- Days between first and last sighting
- 27
- Deepest dive on record
- 201 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) |
|---|---|---|---|
| Dec 12, 2025 | 62 m | — | 45 m |
| Dec 30, 2025 | 757 m | — | 201 m |
| Jan 8, 2026 | 22 m | 25.4°C | 18 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
201 m
Deepest dive
7:10
Longest dive
25
Dives
24 m
Avg dive depth
3
Sightings
27
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 (757 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 30, 2025
measured- Seafloor depth
- 757 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 22 m – 757 m
- Sea-surface temperature
- 25.4°C
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.