BREE-540 – Residency
5th sighting in Au'au Channel
BREE-540 @17756
Feb 27 – Mar 7, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
68 m
Deepest dive
2:29
Longest dive
17
Dives
- Sightings
- 2
- Days between first and last sighting
- 8
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 | 16 m | 24.3°C | 14 m |
| Mar 7, 2026 | 75 m | 24.7°C | 68 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
68 m
Deepest dive
2:29
Longest dive
17
Dives
19 m
Avg dive depth
2
Sightings
8
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 (75 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 7, 2026
measured- Seafloor depth
- 75 m
- Sea-surface temperature
- 24.7°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 16 m – 75 m
- Sea-surface temperature
- 24.3°C – 24.7°C
- Distance from shore
- 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.