HW-MN0442842 – Residency
3rd sighting in Au'au Channel
HW-MN0442842 @55376
Dec 19, 2025 – Jan 9, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
41 m
Deepest dive
2:02
Longest dive
14
Dives
- Sightings
- 2
- Days between first and last sighting
- 21
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 19, 2025 | 52 m | — | 41 m |
| Jan 9, 2026 | 72 m | 25.7°C | 41 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
41 m
Deepest dive
2:02
Longest dive
14
Dives
23 m
Avg dive depth
2
Sightings
21
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 (72 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 9, 2026
measured- Seafloor depth
- 72 m
- Sea-surface temperature
- 25.7°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 52 m – 72 m
- Sea-surface temperature
- 25.7°C
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.