Honu – Residency
22nd sighting in Salish Sea
Honu @21077
Aug 15 – Sep 21, 2023 · Salish Sea
Salish Sea · Aug – Sep 2023
170 m
Deepest dive
8:26
Longest dive
77
Dives
- Sightings
- 5
- Days between first and last sighting
- 37
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 15, 2023 | 95 m | 13.2°C | 60 m |
| Sep 1, 2023 | 288 m | 16.6°C | 170 m |
| Sep 9, 2023 | 172 m | 17.0°C | 91 m |
| Sep 16, 2023 | 65 m | 17.7°C | 49 m |
| Sep 21, 2023 | 60 m | 14.0°C | 45 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
170 m
Deepest dive
8:26
Longest dive
77
Dives
26 m
Avg dive depth
5
Sightings
37
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 (288 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 1, 2023
measured- Seafloor depth
- 288 m
- Sea-surface temperature
- 16.6°C
- Distance from shore
- 11.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 60 m – 288 m
- Sea-surface temperature
- 13.2°C – 17.7°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.