BCY0424 – Residency
4th sighting in Au'au Channel
BCY0424 @49186
Feb 27, 2026 · Au'au Channel
Au'au Channel · Feb 2026
63 m
Deepest dive
2:55
Longest dive
17
Dives
- Sightings
- 2
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 27, 2026 | 86 m | 24.6°C | 63 m |
| Feb 27, 2026 | 16 m | 24.3°C | 12 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
63 m
Deepest dive
2:55
Longest dive
17
Dives
15 m
Avg dive depth
2
Sightings
Same day
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 (86 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 27, 2026
measured- Seafloor depth
- 86 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 16 m – 86 m
- Sea-surface temperature
- 24.3°C – 24.6°C
- Distance from shore
- 5.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.