SEAK-1921 – Residency
2nd sighting in Sitka Sound & Outer Baranof
SEAK-1921 @68973
Mar 22 – 30, 2026 · Sitka Sound & Outer Baranof
Chatham Strait, Twice Over
Caught here twice this stretch — Chatham still knows how to find me.
40 m
Deepest dive
2:17
Longest dive
25
Dives
- Sightings
- 2
- Days between first and last sighting
- 8
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 22, 2026 | 56 m | 5.3°C | 40 m |
| Mar 30, 2026 | 54 m | 5.2°C | 40 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
40 m
Deepest dive
2:17
Longest dive
25
Dives
21 m
Avg dive depth
2
Sightings
8
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 (54 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Mar 30, 2026
measured- Seafloor depth
- 54 m
- Sea-surface temperature
- 5.2°C
- Distance from shore
- 1.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 54 m – 56 m
- Sea-surface temperature
- 5.2°C – 5.3°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 2 catalogued encounters on Happywhale.