SEAK-2430 – Residency
6th sighting in Chatham Strait
SEAK-2430 @40881
Apr 18 – Jul 25, 2025 · Chatham Strait
Chatham Strait · Apr – Jul 2025
86 m
Deepest dive
4:10
Longest dive
42
Dives
- Sightings
- 5
- Days between first and last sighting
- 97
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Apr 18, 2025 | 56 m | 6.4°C | 24 m |
| Apr 20, 2025 | 55 m | 6.3°C | 37 m |
| May 12, 2025 | 88 m | 8.1°C | 38 m |
| Jul 24, 2025 | 159 m | 13.9°C | 86 m |
| Jul 25, 2025 | 88 m | 12.7°C | 76 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
86 m
Deepest dive
4:10
Longest dive
42
Dives
25 m
Avg dive depth
5
Sightings
97
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 (159 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2025
measured- Seafloor depth
- 159 m
- Sea-surface temperature
- 13.9°C
- Distance from shore
- 1.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 55 m – 159 m
- Sea-surface temperature
- 6.3°C – 13.9°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.