SEAK-5121 – Residency
4th sighting in Au'au Channel
SEAK-5121 @15197
Dec 8 – 30, 2025 · Au'au Channel
Au'au Channel · Dec 2025
46 m
Deepest dive
1:47
Longest dive
32
Dives
- Sightings
- 2
- Days between first and last sighting
- 22
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 8, 2025 | 67 m | — | 46 m |
| Dec 30, 2025 | 16 m | — | 14 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
46 m
Deepest dive
1:47
Longest dive
32
Dives
14 m
Avg dive depth
2
Sightings
22
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 (67 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 8, 2025
measured- Seafloor depth
- 67 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 16 m – 67 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.