SEAK-2457 – Residency
14th sighting in Au'au Channel
SEAK-2457 @16955
Dec 7 – 27, 2025 · Au'au Channel
Au'au Channel · Dec 2025
114 m
Deepest dive
4:44
Longest dive
63
Dives
- Sightings
- 6
- Days between first and last sighting
- 21
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 7, 2025 | 66 m | 26.6°C | 34 m |
| Dec 13, 2025 | 115 m | 26.0°C | 52 m |
| Dec 15, 2025 | 59 m | 26.3°C | 53 m |
| Dec 15, 2025 | 26 m | 26.3°C | 19 m |
| Dec 15, 2025 | 138 m | 26.5°C | 80 m |
| Dec 27, 2025 | 159 m | 25.8°C | 114 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
114 m
Deepest dive
4:44
Longest dive
63
Dives
20 m
Avg dive depth
6
Sightings
21
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 27, 2025
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 25.8°C
- Distance from shore
- 9.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 26 m – 159 m
- Sea-surface temperature
- 25.8°C – 26.6°C
- Distance from shore
- 3.0 km – 9.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.