Twain – Residency
22nd sighting in Chatham StraitTwain @15200
Jul 27, 2026 · Chatham Strait
Chatham Strait · Jul 2026
84 m
Deepest dive
3:06
Longest dive
40
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 27, 2026 | 159 m | 13.0°C | 84 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
84 m
Deepest dive
3:06
Longest dive
40
Dives
24 m
Avg dive depth
1
Sightings
Same day
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 27, 2026
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 13.0°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.