HW-MN0410643 – Residency
5th sighting in Prince William Sound
HW-MN0410643 @125663
Aug 3 – Sep 17, 2026 · Prince William Sound
Cold Shoulders, Warm Company
Late summer, same green coves, that one fluke still turning up beside mine.
141 m
Deepest dive
4:43
Longest dive
56
Dives
- Sightings
- 3
- Days between first and last sighting
- 45
- Deepest dive on record
- 141 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) |
|---|---|---|---|
| Aug 3, 2026 | -66 m | 13.5°C | — |
| Aug 26, 2026 | 137 m | 13.5°C | 77 m |
| Sep 17, 2026 | 187 m | — | 141 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
141 m
Deepest dive
4:43
Longest dive
56
Dives
31 m
Avg dive depth
3
Sightings
45
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 (187 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 17, 2026
measured- Seafloor depth
- 187 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- -66 m – 187 m
- Sea-surface temperature
- 13.5°C – 13.5°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.