Marlinspike – Residency
2nd sighting in Sitka Sound & Outer Baranof
Marlinspike @4478
May 10, 2026 · Sitka Sound & Outer Baranof
Sitka Sound & Outer Baranof · May 2026
56 m
Deepest dive
2:25
Longest dive
8
Dives
- Sightings
- 1
- Days between first and last sighting
- Same day
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 10, 2026 | 76 m | 7.0°C | 56 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
56 m
Deepest dive
2:25
Longest dive
8
Dives
31 m
Avg dive depth
1
Sightings
Same day
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 (76 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 10, 2026
measured- Seafloor depth
- 76 m
- Sea-surface temperature
- 7.0°C
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 1 catalogued encounter on Happywhale.