Elwha – Residency
6th sighting in Au'au Channel
Elwha @22807
Dec 12, 2025 – Jan 24, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
78 m
Deepest dive
4:25
Longest dive
40
Dives
- Sightings
- 4
- Days between first and last sighting
- 43
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 | 42 m | — | 33 m |
| Jan 10, 2026 | 71 m | 25.6°C | 60 m |
| Jan 10, 2026 | 1,263 m | 25.6°C | 78 m |
| Jan 24, 2026 | 70 m | 25.4°C | 25 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
78 m
Deepest dive
4:25
Longest dive
40
Dives
21 m
Avg dive depth
4
Sightings
43
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 (1,263 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 10, 2026
measured- Seafloor depth
- 1,263 m
- Sea-surface temperature
- 25.6°C
- Distance from shore
- 6.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 1,263 m
- Sea-surface temperature
- 25.4°C – 25.6°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 4 catalogued encounters on Happywhale.