SEAK-5621 – Residency
3rd sighting in Prince William Sound
SEAK-5621 @73491
Jul 5 – 12, 2026 · Prince William Sound
West Across the Cold
Made the long crossing, found the ice-light company waiting.
180 m
Deepest dive
7:41
Longest dive
23
Dives
- Sightings
- 3
- Days between first and last sighting
- 7
- Deepest dive on record
- 180 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) |
|---|---|---|---|
| Jul 5, 2026 | 290 m | 11.2°C | 180 m |
| Jul 6, 2026 | 10 m | 11.4°C | 9 m |
| Jul 12, 2026 | 87 m | 13.2°C | 47 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
180 m
Deepest dive
7:41
Longest dive
23
Dives
29 m
Avg dive depth
3
Sightings
7
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 (290 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 5, 2026
measured- Seafloor depth
- 290 m
- Sea-surface temperature
- 11.2°C
- Distance from shore
- 1.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 10 m – 290 m
- Sea-surface temperature
- 11.2°C – 13.2°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 3 catalogued encounters on Happywhale.