HW-MN0445409 – Residency
1st sighting in Au'au Channel
HW-MN0445409 @149952
Dec 12, 2025 · Au'au Channel
Au'au Channel · Dec 2025
74 m
Deepest dive
2:12
Longest dive
13
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
- Deepest dive on record
- 74 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 12, 2025 | 184 m | 26.2°C | 74 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
74 m
Deepest dive
2:12
Longest dive
13
Dives
27 m
Avg dive depth
1
Sightings
Same day
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 (184 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 12, 2025
measured- Seafloor depth
- 184 m
- Sea-surface temperature
- 26.2°C
- Distance from shore
- 8.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.