23853 – Residency
6th sighting in Sitka Sound & Outer Baranof
23853 @23853
Jun 24 – Sep 6, 2026 · Sitka Sound & Outer Baranof
Same Cold Corner, Staying
Found good water in June, saw no reason to leave.
89 m
Deepest dive
3:39
Longest dive
84
Dives
- Sightings
- 6
- Days between first and last sighting
- 74
- Deepest dive on record
- 89 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 24, 2026 | 66 m | 11.6°C | 31 m |
| Jun 25, 2026 | 95 m | 11.8°C | 77 m |
| Jul 19, 2026 | 78 m | 12.9°C | 71 m |
| Aug 2, 2026 | 109 m | 13.4°C | 89 m |
| Sep 5, 2026 | 99 m | 13.9°C | 81 m |
| Sep 6, 2026 | 67 m | — | 54 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
89 m
Deepest dive
3:39
Longest dive
84
Dives
24 m
Avg dive depth
6
Sightings
74
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 (109 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Aug 2, 2026
measured- Seafloor depth
- 109 m
- Sea-surface temperature
- 13.4°C
- Distance from shore
- 7.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 66 m – 109 m
- Sea-surface temperature
- 11.6°C – 13.9°C
- Distance from shore
- 3.0 km – 7.0 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.