Honu – Residency
43rd sighting in Salish Sea
Honu @21077
Aug 10 – Sep 25, 2025 · Salish Sea
Salish Sea · Aug – Sep 2025
66 m
Deepest dive
2:12
Longest dive
33
Dives
- Sightings
- 3
- Days between first and last sighting
- 46
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 10, 2025 | 77 m | 14.7°C | 66 m |
| Sep 2, 2025 | 201 m | 16.2°C | 53 m |
| Sep 25, 2025 | 141 m | 13.4°C | 41 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
66 m
Deepest dive
2:12
Longest dive
33
Dives
24 m
Avg dive depth
3
Sightings
46
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 (77 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 10, 2025
measured- Seafloor depth
- 77 m
- Sea-surface temperature
- 14.7°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 77 m – 201 m
- Sea-surface temperature
- 13.4°C – 16.2°C
- Distance from shore
- 1.0 km – 8.0 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.