SEAK-0391 – Residency
3rd sighting in Au'au Channel
SEAK-0391 @15191
Dec 31, 2025 – Feb 20, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Feb 2026
147 m
Deepest dive
6:16
Longest dive
61
Dives
- Sightings
- 3
- Days between first and last sighting
- 51
- Deepest dive on record
- 147 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 31, 2025 | 66 m | — | 57 m |
| Dec 31, 2025 | 757 m | 25.6°C | 147 m |
| Feb 20, 2026 | 62 m | 24.6°C | 35 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
147 m
Deepest dive
6:16
Longest dive
61
Dives
24 m
Avg dive depth
3
Sightings
51
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 31, 2025
measured- Seafloor depth
- 757 m
- Sea-surface temperature
- 25.6°C
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 62 m – 757 m
- Sea-surface temperature
- 24.6°C – 25.6°C
- Distance from shore
- 5.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.