HW-MN0443580 – Residency
15th sighting in Au'au Channel
HW-MN0443580 @79727
Dec 31, 2025 – Feb 15, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Feb 2026
62 m
Deepest dive
2:21
Longest dive
61
Dives
- Sightings
- 6
- Days between first and last sighting
- 46
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 31, 2025 | 757 m | 25.6°C | 29 m |
| Jan 3, 2026 | 60 m | 25.4°C | 54 m |
| Jan 26, 2026 | 68 m | 25.5°C | 62 m |
| Jan 27, 2026 | 108 m | 25.6°C | 55 m |
| Feb 12, 2026 | 44 m | 25.0°C | 39 m |
| Feb 15, 2026 | 46 m | 24.9°C | 40 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
62 m
Deepest dive
2:21
Longest dive
61
Dives
23 m
Avg dive depth
6
Sightings
46
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 (68 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 26, 2026
measured- Seafloor depth
- 68 m
- Sea-surface temperature
- 25.5°C
- Distance from shore
- 5.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 44 m – 757 m
- Sea-surface temperature
- 24.9°C – 25.6°C
- Distance from shore
- 2.0 km – 7.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.