HW-MN0444221 – Residency
4th sighting in Chatham Strait
HW-MN0444221 @100101
Jun 4, 2026 · Chatham Strait
Chatham Strait · Jun 2026
81 m
Deepest dive
2:25
Longest dive
8
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 4, 2026 | 330 m | 8.6°C | 81 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
2:25
Longest dive
8
Dives
28 m
Avg dive depth
1
Sightings
Same day
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 (330 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 4, 2026
measured- Seafloor depth
- 330 m
- Sea-surface temperature
- 8.6°C
- Distance from shore
- 4.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.