Alabaster – Residency
9th sighting in Au'au Channel
Alabaster @745
Feb 15 – Mar 7, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
54 m
Deepest dive
2:19
Longest dive
27
Dives
- Sightings
- 3
- Days between first and last sighting
- 20
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 15, 2026 | 56 m | 24.9°C | 34 m |
| Mar 4, 2026 | 103 m | 24.9°C | 54 m |
| Mar 7, 2026 | 56 m | 24.7°C | 40 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
54 m
Deepest dive
2:19
Longest dive
27
Dives
20 m
Avg dive depth
3
Sightings
20
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 (103 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 4, 2026
measured- Seafloor depth
- 103 m
- Sea-surface temperature
- 24.9°C
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 56 m – 103 m
- Sea-surface temperature
- 24.7°C – 24.9°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 3 catalogued encounters on Happywhale.