HW-MN0443941 – Residency
5th sighting in Au'au Channel
HW-MN0443941 @99775
Dec 10, 2025 – Jan 19, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
69 m
Deepest dive
2:21
Longest dive
39
Dives
- Sightings
- 4
- Days between first and last sighting
- 40
- Deepest dive on record
- 69 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 10, 2025 | 80 m | — | 69 m |
| Dec 17, 2025 | 81 m | — | 49 m |
| Dec 23, 2025 | 42 m | — | 27 m |
| Jan 19, 2026 | 42 m | 25.2°C | 28 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
69 m
Deepest dive
2:21
Longest dive
39
Dives
18 m
Avg dive depth
4
Sightings
40
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 (80 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 10, 2025
measured- Seafloor depth
- 80 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 42 m – 81 m
- Sea-surface temperature
- 25.2°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.