HIHWNMS-2022-2-3_O13 – Residency
10th sighting in Au'au Channel
HIHWNMS-2022-2-3_O13 @81605
Dec 20, 2025 – Feb 16, 2026 · Au'au Channel
Au'au Channel · Dec 2025 – Feb 2026
51 m
Deepest dive
1:57
Longest dive
46
Dives
- Sightings
- 5
- Days between first and last sighting
- 58
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 20, 2025 | 72 m | — | 21 m |
| Jan 17, 2026 | 60 m | 25.3°C | 51 m |
| Jan 20, 2026 | 16 m | 25.2°C | 13 m |
| Jan 25, 2026 | 76 m | 25.6°C | 45 m |
| Feb 16, 2026 | 42 m | 24.8°C | 28 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
51 m
Deepest dive
1:57
Longest dive
46
Dives
16 m
Avg dive depth
5
Sightings
58
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 (60 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jan 17, 2026
measured- Seafloor depth
- 60 m
- Sea-surface temperature
- 25.3°C
- Distance from shore
- 3.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 16 m – 76 m
- Sea-surface temperature
- 24.8°C – 25.6°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 5 catalogued encounters on Happywhale.