SEAK-5477 – Residency
7th sighting in Chatham Strait
SEAK-5477 @65415
Aug 23 – Sep 30, 2025 · Chatham Strait
Chatham Strait · Aug – Sep 2025
116 m
Deepest dive
4:06
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 38
- Deepest dive on record
- 116 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 23, 2025 | 247 m | 14.5°C | 68 m |
| Sep 30, 2025 | 210 m | 11.4°C | 116 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
116 m
Deepest dive
4:06
Longest dive
23
Dives
30 m
Avg dive depth
2
Sightings
38
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 (210 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 30, 2025
measured- Seafloor depth
- 210 m
- Sea-surface temperature
- 11.4°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 210 m – 247 m
- Sea-surface temperature
- 11.4°C – 14.5°C
- Distance from shore
- 1.0 km – 6.0 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.