BCX0542 – Residency
6th sighting in Au'au Channel
BCX0542 @35823
Mar 10 – 19, 2026 · Au'au Channel
Au'au Channel · Mar 2026
64 m
Deepest dive
2:32
Longest dive
71
Dives
- Sightings
- 3
- Days between first and last sighting
- 9
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 10, 2026 | 70 m | 24.6°C | 64 m |
| Mar 16, 2026 | 42 m | 24.9°C | 37 m |
| Mar 19, 2026 | 42 m | 24.7°C | 39 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
64 m
Deepest dive
2:32
Longest dive
71
Dives
16 m
Avg dive depth
3
Sightings
9
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 (70 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 10, 2026
measured- Seafloor depth
- 70 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 3.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 42 m – 70 m
- Sea-surface temperature
- 24.6°C – 24.9°C
- Distance from shore
- 2.0 km – 3.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.