Twyla – Residency
75th sighting in Chatham Strait
Twyla @6414
Jul 9 – 31, 2026 · Chatham Strait
Chatham Strait, Herring Season
Green water, full bait balls, exactly where I belong all summer.
53 m
Deepest dive
2:32
Longest dive
51
Dives
- Sightings
- 3
- Days between first and last sighting
- 22
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 9, 2026 | 46 m | 12.5°C | 40 m |
| Jul 23, 2026 | 23 m | 13.2°C | 20 m |
| Jul 31, 2026 | 80 m | 12.8°C | 53 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
53 m
Deepest dive
2:32
Longest dive
51
Dives
18 m
Avg dive depth
3
Sightings
22
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 (80 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 31, 2026
measured- Seafloor depth
- 80 m
- Sea-surface temperature
- 12.8°C
- Distance from shore
- —
Across the residency · 3 sightings
measured- Seafloor depth
- 23 m – 80 m
- Sea-surface temperature
- 12.5°C – 13.2°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 3 catalogued encounters on Happywhale.