HW-MN0410648 – Residency
4th sighting in Prince William Sound
HW-MN0410648 @133279
Sep 10 – 14, 2026 · Prince William Sound
Autumn in the Sound
Silt in the water, flukes up, crew knew my face instantly.
41 m
Deepest dive
1:55
Longest dive
21
Dives
- Sightings
- 2
- Days between first and last sighting
- 4
- Deepest dive on record
- 41 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) |
|---|---|---|---|
| Sep 10, 2026 | 265 m | — | 37 m |
| Sep 14, 2026 | 145 m | — | 41 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
41 m
Deepest dive
1:55
Longest dive
21
Dives
17 m
Avg dive depth
2
Sightings
4
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 (145 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 14, 2026
measured- Seafloor depth
- 145 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 145 m – 265 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.