Lambda – Residency
6th sighting in Chatham StraitLambda @6331
May 26 – Jul 31, 2025 · Chatham Strait
Chatham Strait · May – Jul 2025
98 m
Deepest dive
4:02
Longest dive
38
Dives
- Sightings
- 2
- Days between first and last sighting
- 65
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 26, 2025 | 45 m | 8.3°C | 36 m |
| Jul 31, 2025 | 182 m | 14.5°C | 98 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
98 m
Deepest dive
4:02
Longest dive
38
Dives
25 m
Avg dive depth
2
Sightings
65
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 (182 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 31, 2025
measured- Seafloor depth
- 182 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 45 m – 182 m
- Sea-surface temperature
- 8.3°C – 14.5°C
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.