Acildour – Residency
16th sighting in Chatham Strait
Acildour @18486
May 31 – Sep 17, 2026 · Chatham Strait
Chatham Strait, Full Season
Herring thick, current sweet, caught on camera more than once this summer.
73 m
Deepest dive
2:45
Longest dive
24
Dives
- Sightings
- 4
- Days between first and last sighting
- 108
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 31, 2026 | 272 m | 8.5°C | 51 m |
| Aug 29, 2026 | 104 m | 14.2°C | 45 m |
| Aug 30, 2026 | 284 m | 14.2°C | 73 m |
| Sep 17, 2026 | 56 m | — | 7 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
73 m
Deepest dive
2:45
Longest dive
24
Dives
26 m
Avg dive depth
4
Sightings
108
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 (284 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 30, 2026
measured- Seafloor depth
- 284 m
- Sea-surface temperature
- 14.2°C
- Distance from shore
- 6.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 56 m – 284 m
- Sea-surface temperature
- 8.5°C – 14.2°C
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.