SEAK-2535 – Residency
6th sighting in Chatham Strait
SEAK-2535 @13324
Aug 13 – Sep 30, 2025 · Chatham Strait
Chatham Strait · Aug – Sep 2025
134 m
Deepest dive
4:13
Longest dive
86
Dives
- Sightings
- 8
- Days between first and last sighting
- 48
- Deepest dive on record
- 134 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 13, 2025 | 203 m | 13.5°C | 22 m |
| Aug 15, 2025 | 35 m | 13.9°C | 26 m |
| Aug 21, 2025 | 45 m | 13.5°C | 41 m |
| Aug 23, 2025 | 72 m | 14.3°C | 28 m |
| Aug 24, 2025 | 86 m | 15.1°C | 78 m |
| Sep 28, 2025 | 51 m | 12.3°C | 32 m |
| Sep 29, 2025 | 201 m | 11.7°C | 134 m |
| Sep 30, 2025 | 100 m | 11.4°C | 89 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
134 m
Deepest dive
4:13
Longest dive
86
Dives
23 m
Avg dive depth
8
Sightings
48
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 (201 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 29, 2025
measured- Seafloor depth
- 201 m
- Sea-surface temperature
- 11.7°C
- Distance from shore
- —
Across the residency · 8 sightings
measured- Seafloor depth
- 35 m – 203 m
- Sea-surface temperature
- 11.4°C – 15.1°C
- Distance from shore
- 1.0 km – 5.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 8 catalogued encounters on Happywhale.