HW-MN0445370 – Residency
4th sighting in Au'au Channel
HW-MN0445370 @149299
Dec 1 – 23, 2025 · Au'au Channel
Au'au Channel · Dec 2025
68 m
Deepest dive
2:52
Longest dive
27
Dives
- Sightings
- 4
- Days between first and last sighting
- 23
- Deepest dive on record
- 68 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 1, 2025 | 68 m | — | 60 m |
| Dec 2, 2025 | 75 m | — | 68 m |
| Dec 15, 2025 | 69 m | — | 20 m |
| Dec 23, 2025 | 71 m | — | 50 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
68 m
Deepest dive
2:52
Longest dive
27
Dives
21 m
Avg dive depth
4
Sightings
23
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 (75 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 2, 2025
measured- Seafloor depth
- 75 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 68 m – 75 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km – 7.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.