SEAK-5642 – Residency
3rd sighting in Chatham Strait
SEAK-5642 @58888
Aug 26 – 28, 2025 · Chatham Strait
Chatham Strait · Aug 2025
139 m
Deepest dive
6:07
Longest dive
45
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 26, 2025 | 404 m | 15.1°C | 60 m |
| Aug 28, 2025 | 539 m | 14.5°C | 139 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
139 m
Deepest dive
6:07
Longest dive
45
Dives
24 m
Avg dive depth
2
Sightings
2
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 (539 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 28, 2025
measured- Seafloor depth
- 539 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 404 m – 539 m
- Sea-surface temperature
- 14.5°C – 15.1°C
- Distance from shore
- 2.0 km – 3.0 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.