HW-MN0444388 – Residency
5th sighting in Au'au Channel
HW-MN0444388 @101353
Dec 20 – 24, 2025 · Au'au Channel
Au'au Channel · Dec 2025
221 m
Deepest dive
9:45
Longest dive
55
Dives
- Sightings
- 4
- Days between first and last sighting
- 4
- Deepest dive on record
- 221 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 20, 2025 | 1,139 m | — | 221 m |
| Dec 20, 2025 | 42 m | — | 31 m |
| Dec 20, 2025 | 1,622 m | — | 76 m |
| Dec 24, 2025 | 54 m | — | 30 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
221 m
Deepest dive
9:45
Longest dive
55
Dives
26 m
Avg dive depth
4
Sightings
4
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 · Dec 20, 2025
measured- Seafloor depth
- 1,139 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 1,622 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.