Melancholy – Residency
21st sighting in Chatham Strait
Melancholy @5311
Jun 25 – Sep 1, 2025 · Chatham Strait
Chatham Strait · Jun – Sep 2025
67 m
Deepest dive
2:38
Longest dive
21
Dives
- Sightings
- 3
- Days between first and last sighting
- 68
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 25, 2025 | 18 m | 10.6°C | 17 m |
| Jun 27, 2025 | 212 m | 11.3°C | 67 m |
| Sep 1, 2025 | 137 m | 14.9°C | 48 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
67 m
Deepest dive
2:38
Longest dive
21
Dives
21 m
Avg dive depth
3
Sightings
68
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 (212 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 27, 2025
measured- Seafloor depth
- 212 m
- Sea-surface temperature
- 11.3°C
- Distance from shore
- 2.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 18 m – 212 m
- Sea-surface temperature
- 10.6°C – 14.9°C
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.