SPLASH-430581 – Residency
3rd sighting in Au'au Channel
SPLASH-430581 @49402
Mar 18 – 22, 2026 · Au'au Channel
Au'au Channel · Mar 2026
49 m
Deepest dive
1:57
Longest dive
19
Dives
- Sightings
- 2
- Days between first and last sighting
- 4
- Deepest dive on record
- 49 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 18, 2026 | 83 m | 24.7°C | 49 m |
| Mar 22, 2026 | 70 m | 24.7°C | 26 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
49 m
Deepest dive
1:57
Longest dive
19
Dives
24 m
Avg dive depth
2
Sightings
4
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 (83 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 18, 2026
measured- Seafloor depth
- 83 m
- Sea-surface temperature
- 24.7°C
- Distance from shore
- 6.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 70 m – 83 m
- Sea-surface temperature
- 24.7°C – 24.7°C
- Distance from shore
- 5.0 km – 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.