HW-MN0440657 – Residency
3rd sighting in Au'au Channel
HW-MN0440657 @15187
Dec 22, 2025 – Jan 25, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
109 m
Deepest dive
2:52
Longest dive
22
Dives
- Sightings
- 2
- Days between first and last sighting
- 34
- Deepest dive on record
- 109 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 22, 2025 | 140 m | — | 109 m |
| Jan 25, 2026 | 33 m | 25.4°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
109 m
Deepest dive
2:52
Longest dive
22
Dives
25 m
Avg dive depth
2
Sightings
34
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 (140 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 22, 2025
measured- Seafloor depth
- 140 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 33 m – 140 m
- Sea-surface temperature
- 25.4°C
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.