AHWC-3363 – Residency
20th sighting in Antarctic Peninsula
AHWC-3363 @1660
Nov 26, 2025 – Feb 23, 2026 · Antarctic Peninsula
Antarctic Peninsula · Nov 2025 – Feb 2026
90 m
Deepest dive
3:27
Longest dive
23
Dives
- Sightings
- 4
- Days between first and last sighting
- 89
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Nov 26, 2025 | 258 m | — | 86 m |
| Dec 14, 2025 | 122 m | — | 28 m |
| Dec 16, 2025 | 204 m | — | 90 m |
| Feb 23, 2026 | 402 m | 1.8°C | 48 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
90 m
Deepest dive
3:27
Longest dive
23
Dives
30 m
Avg dive depth
4
Sightings
89
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 (204 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 16, 2025
measured- Seafloor depth
- 204 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 122 m – 402 m
- Sea-surface temperature
- 1.8°C
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.