Split Fin – Residency
73rd sighting in Salish Sea
Split Fin @4083
May 23 – Oct 27, 2021 · Salish Sea
Five Months in Familiar Waters
The old channels welcomed me back, and I lingered through summer into fall.
89 m
Deepest dive
3:47
Longest dive
66
Dives
- Sightings
- 7
- Days between first and last sighting
- 157
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 23, 2021 | 61 m | 10.3°C | 51 m |
| Jun 12, 2021 | 129 m | 9.4°C | 55 m |
| Jul 3, 2021 | 114 m | 12.6°C | 50 m |
| Aug 8, 2021 | 60 m | 12.8°C | 39 m |
| Sep 16, 2021 | 66 m | 11.8°C | 50 m |
| Sep 28, 2021 | 177 m | 10.6°C | 89 m |
| Oct 27, 2021 | 69 m | 9.9°C | 52 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
89 m
Deepest dive
3:47
Longest dive
66
Dives
22 m
Avg dive depth
7
Sightings
157
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 (177 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 28, 2021
measured- Seafloor depth
- 177 m
- Sea-surface temperature
- 10.6°C
- Distance from shore
- 9.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 60 m – 177 m
- Sea-surface temperature
- 9.4°C – 12.8°C
- Distance from shore
- 2.0 km – 12.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.