HW-MN0444380 – Residency
6th sighting in Prince William Sound
HW-MN0444380 @101345
Jun 18 – Sep 11, 2026 · Prince William Sound
Sound Full of Herring
Herring thick, light long, this cold green water knows my breath.
142 m
Deepest dive
5:03
Longest dive
63
Dives
- Sightings
- 6
- Days between first and last sighting
- 85
- Deepest dive on record
- 142 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 18, 2026 | 228 m | 8.6°C | 126 m |
| Jul 6, 2026 | 10 m | 11.4°C | 5 m |
| Jul 17, 2026 | 279 m | 11.8°C | 142 m |
| Aug 1, 2026 | 230 m | 13.5°C | 19 m |
| Aug 2, 2026 | 77 m | 13.7°C | 67 m |
| Sep 11, 2026 | 276 m | — | 55 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
142 m
Deepest dive
5:03
Longest dive
63
Dives
25 m
Avg dive depth
6
Sightings
85
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 (279 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 17, 2026
measured- Seafloor depth
- 279 m
- Sea-surface temperature
- 11.8°C
- Distance from shore
- 1.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 10 m – 279 m
- Sea-surface temperature
- 8.6°C – 13.7°C
- Distance from shore
- 1.0 km – 3.0 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.