HW-MN0401560 – Residency
6th sighting in Prince William Sound
HW-MN0401560 @142153
Jun 28 – Aug 10, 2026 · Prince William Sound
Deep Green, Well Known
Mid-summer in the Sound, and folks keep finding me here.
136 m
Deepest dive
3:52
Longest dive
64
Dives
- Sightings
- 6
- Days between first and last sighting
- 43
- Deepest dive on record
- 136 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 28, 2026 | 273 m | 10.6°C | 77 m |
| Jun 30, 2026 | 163 m | 11.1°C | 68 m |
| Jul 3, 2026 | 179 m | 11.2°C | 62 m |
| Jul 4, 2026 | 308 m | 11.3°C | 136 m |
| Aug 1, 2026 | 166 m | 13.6°C | 36 m |
| Aug 10, 2026 | 183 m | 14.7°C | 110 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
136 m
Deepest dive
3:52
Longest dive
64
Dives
27 m
Avg dive depth
6
Sightings
43
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 (308 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 4, 2026
measured- Seafloor depth
- 308 m
- Sea-surface temperature
- 11.3°C
- Distance from shore
- 2.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 163 m – 308 m
- Sea-surface temperature
- 10.6°C – 14.7°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 6 catalogued encounters on Happywhale.