HW-MN0420438 – Residency
16th sighting in Au'au Channel
HW-MN0420438 @14605
Jan 4 – Feb 18, 2026 · Au'au Channel
Au'au Channel · Jan – Feb 2026
51 m
Deepest dive
2:20
Longest dive
57
Dives
- Sightings
- 7
- Days between first and last sighting
- 45
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jan 4, 2026 | 44 m | 25.5°C | 31 m |
| Jan 18, 2026 | 42 m | 25.2°C | 22 m |
| Jan 25, 2026 | 42 m | 25.4°C | 31 m |
| Feb 7, 2026 | 22 m | 25.3°C | 18 m |
| Feb 12, 2026 | 48 m | 25.0°C | 38 m |
| Feb 13, 2026 | 66 m | 25.1°C | 51 m |
| Feb 18, 2026 | 63 m | 24.6°C | 51 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
2:20
Longest dive
57
Dives
17 m
Avg dive depth
7
Sightings
45
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 (63 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 18, 2026
measured- Seafloor depth
- 63 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 4.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 22 m – 66 m
- Sea-surface temperature
- 24.6°C – 25.5°C
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.