Sherona – Residency
15th sighting in Sitka Sound & Outer Baranof
Sherona @6441
Mar 24 – 29, 2025 · Sitka Sound & Outer Baranof
Sitka Sound & Outer Baranof · Mar 2025
65 m
Deepest dive
2:34
Longest dive
43
Dives
- Sightings
- 3
- Days between first and last sighting
- 5
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 24, 2025 | 184 m | 6.2°C | 47 m |
| Mar 28, 2025 | 104 m | 5.7°C | 21 m |
| Mar 29, 2025 | 78 m | 6.1°C | 65 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
65 m
Deepest dive
2:34
Longest dive
43
Dives
18 m
Avg dive depth
3
Sightings
5
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 (78 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 29, 2025
measured- Seafloor depth
- 78 m
- Sea-surface temperature
- 6.1°C
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 78 m – 184 m
- Sea-surface temperature
- 5.7°C – 6.2°C
- Distance from shore
- 1.0 km – 7.0 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.