Cornwallis – Residency
21st sighting in Clarence Strait
Cornwallis @6560
Jun 21 – Aug 29, 2025 · Clarence Strait
Clarence Strait · Jun – Aug 2025
69 m
Deepest dive
2:59
Longest dive
69
Dives
- Sightings
- 5
- Days between first and last sighting
- 69
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 21, 2025 | 129 m | 13.2°C | 46 m |
| Jul 4, 2025 | 39 m | 12.2°C | 35 m |
| Jul 12, 2025 | 192 m | 12.9°C | 69 m |
| Jul 13, 2025 | 13 m | 13.1°C | 10 m |
| Aug 29, 2025 | 29 m | 15.0°C | 21 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
69 m
Deepest dive
2:59
Longest dive
69
Dives
17 m
Avg dive depth
5
Sightings
69
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 (192 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 12, 2025
measured- Seafloor depth
- 192 m
- Sea-surface temperature
- 12.9°C
- Distance from shore
- 2.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 13 m – 192 m
- Sea-surface temperature
- 12.2°C – 15.0°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.