Cinder – Residency
10th sighting in Prince William Sound
Cinder @81711
Jun 30 – Sep 11, 2026 · Prince William Sound
Sound Regular, Sound Curious
Whole month here, and every boat still got the full nosy inspection.
159 m
Deepest dive
5:17
Longest dive
92
Dives
- Sightings
- 8
- Days between first and last sighting
- 73
- Deepest dive on record
- 159 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) |
|---|---|---|---|
| Jun 30, 2026 | 2 m | 11.1°C | 2 m |
| Jul 11, 2026 | 339 m | 13.5°C | 80 m |
| Jul 25, 2026 | 45 m | 11.7°C | 36 m |
| Jul 26, 2026 | 11 m | 11.5°C | 8 m |
| Jul 27, 2026 | 19 m | 12.0°C | 12 m |
| Jul 29, 2026 | 16 m | 12.6°C | 12 m |
| Aug 2, 2026 | -64 m | 13.7°C | — |
| Sep 11, 2026 | 189 m | 12.7°C | 159 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
159 m
Deepest dive
5:17
Longest dive
92
Dives
13 m
Avg dive depth
8
Sightings
73
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 (189 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 11, 2026
measured- Seafloor depth
- 189 m
- Sea-surface temperature
- 12.7°C
- Distance from shore
- 2.0 km
Across the residency · 8 sightings
measured- Seafloor depth
- -64 m – 339 m
- Sea-surface temperature
- 11.1°C – 13.7°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 8 catalogued encounters on Happywhale.