SEAK-1155 – Residency
5th sighting in Au'au Channel
SEAK-1155 @15161
Feb 20 – Mar 19, 2026 · Au'au Channel
Au'au Channel · Feb – Mar 2026
65 m
Deepest dive
3:32
Longest dive
46
Dives
- Sightings
- 4
- Days between first and last sighting
- 27
- Deepest dive on record
- 65 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) |
|---|---|---|---|
| Feb 20, 2026 | 76 m | 24.6°C | 65 m |
| Mar 4, 2026 | 16 m | 24.4°C | 15 m |
| Mar 18, 2026 | 64 m | 24.9°C | 39 m |
| Mar 19, 2026 | 77 m | 24.8°C | 58 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
65 m
Deepest dive
3:32
Longest dive
46
Dives
18 m
Avg dive depth
4
Sightings
27
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 (76 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Feb 20, 2026
measured- Seafloor depth
- 76 m
- Sea-surface temperature
- 24.6°C
- Distance from shore
- 3.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 16 m – 77 m
- Sea-surface temperature
- 24.4°C – 24.9°C
- Distance from shore
- 3.0 km – 6.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.