Sevusevu – Residency
14th sighting in Chatham Strait
Sevusevu @6442
May 15 – Jul 8, 2026 · Chatham Strait
Chatham Strait, Wide Open
Herring rising, cold green water — I could roll in this all summer.
69 m
Deepest dive
3:18
Longest dive
38
Dives
- Sightings
- 4
- Days between first and last sighting
- 54
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 15, 2026 | 357 m | 7.6°C | 54 m |
| Jun 2, 2026 | 100 m | 8.4°C | 57 m |
| Jun 14, 2026 | 328 m | 10.1°C | 43 m |
| Jul 8, 2026 | 150 m | 12.3°C | 69 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
69 m
Deepest dive
3:18
Longest dive
38
Dives
22 m
Avg dive depth
4
Sightings
54
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 (150 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 8, 2026
measured- Seafloor depth
- 150 m
- Sea-surface temperature
- 12.3°C
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 100 m – 357 m
- Sea-surface temperature
- 7.6°C – 12.3°C
- Distance from shore
- 2.0 km – 5.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.