SEAK-5170 – Residency
10th sighting in Chatham StraitSEAK-5170 @26937
Jun 19 – Sep 30, 2025 · Chatham Strait
Chatham Strait · Jun – Sep 2025
81 m
Deepest dive
3:00
Longest dive
73
Dives
- Sightings
- 7
- Days between first and last sighting
- 103
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 19, 2025 | 124 m | 10.4°C | 44 m |
| Jul 13, 2025 | 217 m | 12.8°C | 62 m |
| Jul 17, 2025 | 4 m | 12.0°C | 3 m |
| Jul 28, 2025 | 88 m | 13.1°C | 81 m |
| Sep 28, 2025 | 51 m | 12.3°C | 40 m |
| Sep 29, 2025 | 66 m | 11.7°C | 41 m |
| Sep 30, 2025 | 86 m | 11.4°C | 68 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
81 m
Deepest dive
3:00
Longest dive
73
Dives
22 m
Avg dive depth
7
Sightings
103
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 (88 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 28, 2025
measured- Seafloor depth
- 88 m
- Sea-surface temperature
- 13.1°C
- Distance from shore
- 2.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 4 m – 217 m
- Sea-surface temperature
- 10.4°C – 13.1°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.