HW-MN0445418 – Residency
2nd sighting in Au'au Channel
HW-MN0445418 @150221
Dec 22, 2025 – Jan 7, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
66 m
Deepest dive
2:03
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 17
- Deepest dive on record
- 66 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 | 59 m | — | 40 m |
| Jan 7, 2026 | 74 m | 25.4°C | 66 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
66 m
Deepest dive
2:03
Longest dive
23
Dives
18 m
Avg dive depth
2
Sightings
17
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 (74 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 7, 2026
measured- Seafloor depth
- 74 m
- Sea-surface temperature
- 25.4°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 59 m – 74 m
- Sea-surface temperature
- 25.4°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.