The Dunnster – Residency
6th sighting in Sitka Sound & Outer Baranof
The Dunnster @29784
Aug 29 – 30, 2026 · Sitka Sound & Outer Baranof
Icy Strait, Late August
Herring's thick in the corners I know best.
63 m
Deepest dive
3:28
Longest dive
25
Dives
- Sightings
- 2
- Days between first and last sighting
- 1
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 29, 2026 | 78 m | 14.5°C | 43 m |
| Aug 30, 2026 | 103 m | 14.5°C | 63 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
63 m
Deepest dive
3:28
Longest dive
25
Dives
22 m
Avg dive depth
2
Sightings
1
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 (103 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 30, 2026
measured- Seafloor depth
- 103 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 78 m – 103 m
- Sea-surface temperature
- 14.5°C – 14.5°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.