HW-MN0443490 – Residency
6th sighting in Au'au Channel
HW-MN0443490 @76477
Dec 15 – 26, 2025 · Au'au Channel
Au'au Channel · Dec 2025
63 m
Deepest dive
2:32
Longest dive
72
Dives
- Sightings
- 5
- Days between first and last sighting
- 11
- Deepest dive on record
- 63 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 15, 2025 | 82 m | — | 63 m |
| Dec 15, 2025 | 94 m | — | 53 m |
| Dec 15, 2025 | 73 m | — | 63 m |
| Dec 15, 2025 | 78 m | — | 57 m |
| Dec 26, 2025 | 55 m | — | 32 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
63 m
Deepest dive
2:32
Longest dive
72
Dives
23 m
Avg dive depth
5
Sightings
11
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 (82 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 15, 2025
measured- Seafloor depth
- 82 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 55 m – 94 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 5 catalogued encounters on Happywhale.