HW-MN0443922 – Residency
7th sighting in Au'au Channel
HW-MN0443922 @99751
Dec 3, 2025 – Jan 15, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Jan 2026
173 m
Deepest dive
8:02
Longest dive
77
Dives
- Sightings
- 5
- Days between first and last sighting
- 43
- Deepest dive on record
- 173 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 3, 2025 | 178 m | — | 50 m |
| Dec 6, 2025 | 218 m | — | 173 m |
| Jan 11, 2026 | 75 m | 25.6°C | 53 m |
| Jan 11, 2026 | 73 m | 25.6°C | 59 m |
| Jan 15, 2026 | 41 m | 25.4°C | 26 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
173 m
Deepest dive
8:02
Longest dive
77
Dives
23 m
Avg dive depth
5
Sightings
43
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 (218 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 6, 2025
measured- Seafloor depth
- 218 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 41 m – 218 m
- Sea-surface temperature
- 25.4°C – 25.6°C
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.