Octo – Residency
25th sighting in Salish Sea
Octo @5536
Aug 5 – Oct 12, 2026 · Salish Sea
Two Names, One Tail
Turns out I'm on two lists this summer — still just one whale.
133 m
Deepest dive
4:49
Longest dive
72
Dives
- Sightings
- 5
- 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) |
|---|---|---|---|
| Aug 5, 2026 | 261 m | 15.0°C | 95 m |
| Aug 10, 2026 | 173 m | 16.6°C | 93 m |
| Aug 15, 2026 | 92 m | 16.1°C | 65 m |
| Aug 21, 2026 | 208 m | 15.0°C | 133 m |
| Oct 12, 2026 | 100 m | — | 50 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
133 m
Deepest dive
4:49
Longest dive
72
Dives
29 m
Avg dive depth
5
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 (208 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 21, 2026
measured- Seafloor depth
- 208 m
- Sea-surface temperature
- 15.0°C
- Distance from shore
- 7.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 92 m – 261 m
- Sea-surface temperature
- 15.0°C – 16.6°C
- Distance from shore
- 2.0 km – 11.0 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.