HW-MN0401147 – Residency
8th sighting in Chatham Strait
HW-MN0401147 @53650
May 29 – Jul 14, 2026 · Chatham Strait
Early Herring, Full Strait
Cold green water, plenty of company, and the herring already running — good.
46 m
Deepest dive
2:33
Longest dive
38
Dives
- Sightings
- 3
- Days between first and last sighting
- 46
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 29, 2026 | 55 m | 8.3°C | 42 m |
| May 30, 2026 | 54 m | 8.5°C | 46 m |
| Jul 14, 2026 | 107 m | 13.1°C | 37 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
46 m
Deepest dive
2:33
Longest dive
38
Dives
21 m
Avg dive depth
3
Sightings
46
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 (54 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 30, 2026
measured- Seafloor depth
- 54 m
- Sea-surface temperature
- 8.5°C
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 54 m – 107 m
- Sea-surface temperature
- 8.3°C – 13.1°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 3 catalogued encounters on Happywhale.