SEAK-5154 – Residency
9th sighting in Chatham Strait
SEAK-5154 @10963
Jul 4 – Aug 10, 2026 · Chatham Strait
Chatham Strait, Deep and Green
Another long summer stacked onto every summer before it here.
131 m
Deepest dive
4:46
Longest dive
33
Dives
- Sightings
- 2
- Days between first and last sighting
- 37
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 4, 2026 | 342 m | 11.3°C | 131 m |
| Aug 10, 2026 | 242 m | 14.2°C | 123 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
131 m
Deepest dive
4:46
Longest dive
33
Dives
33 m
Avg dive depth
2
Sightings
37
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 (342 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 4, 2026
measured- Seafloor depth
- 342 m
- Sea-surface temperature
- 11.3°C
- Distance from shore
- 5.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 242 m – 342 m
- Sea-surface temperature
- 11.3°C – 14.2°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 2 catalogued encounters on Happywhale.