чст – Residency
9th sighting in Au'au Channelчст @13782
Feb 4 – Apr 1, 2026 · Au'au Channel
Calf Number Two, Same Shallows
Brought another little one to my calm bright water — she's steady already.
126 m
Deepest dive
4:01
Longest dive
76
Dives
- Sightings
- 5
- Days between first and last sighting
- 56
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Feb 4, 2026 | 42 m | 25.4°C | 33 m |
| Feb 13, 2026 | 1,254 m | 25.2°C | 96 m |
| Feb 22, 2026 | 49 m | 24.6°C | 44 m |
| Mar 19, 2026 | 16 m | 24.4°C | 15 m |
| Apr 1, 2026 | 168 m | 24.4°C | 126 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
126 m
Deepest dive
4:01
Longest dive
76
Dives
20 m
Avg dive depth
5
Sightings
56
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 (168 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Apr 1, 2026
measured- Seafloor depth
- 168 m
- Sea-surface temperature
- 24.4°C
- Distance from shore
- 8.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 16 m – 1,254 m
- Sea-surface temperature
- 24.4°C – 25.4°C
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.